Entries |
Document | Title | Date |
20080196890 | MAGNETIC POWER TRANSMISSION DEVICES FOR OILFIELD APPLICATIONS - A method and apparatus relates to incorporating a magnetic coupling for use in oilfield applications. The magnetic coupling is operatively coupled to an oilfield machine to provide a controlled operational speed. The magnetic coupling may be operatively connected to a motor and a drive shaft where a speed of rotation of the drive shaft is controlled by an operation of the magnetic coupling. The drive shaft is operatively connected to the oilfield machine. | 08-21-2008 |
20080202746 | Plunger Lift Controller and Method - An embodiment of a method of controlling a plunger lift system for a well, the plunger lift system having a tubing positioned in a cased well, a plunger in the tubing moveable from the bottom of the tubing to a top of the tubing, a control valve in functional connection with the tubing, a plunger arrival sensor, a tubing pressure sensor, a casing pressure sensor, and a sales line pressure sensor, a controller in operational connection with the control valve and functional connection with the sensors for receiving signals from the sensors, the method including the steps of: defining a threshold value for a trigger event, the trigger event initiating operation of the control valve by the controller; defining event-value conditions upon which adjustment of the trigger event is adjusted; determining, upon a calling-event, if the event-value conditions have been satisfied; and adjusting the trigger event threshold value upon satisfaction of the event-value conditions. | 08-28-2008 |
20080257546 | Autonomous Downhole Control Methods and Devices - Autonomous control of a wellbore tool is provided by programming a memory module of a processor with a database having data relating to a selected parameter of interest; conveying a sensor and the processor along the wellbore; and activating the wellbore tool if the processor determines that a measurement provided by the sensor correlates with the database data. The processor may correlate the sensor measurements with a predetermined pattern associated with the data, a preset value, and/or a preset range of values. Well tool activation may occur when the processor finds: a substantial match between a predetermined pattern and at least one measured value; a present value and at least one measured value, and/or a preset range of values and at least one measured range of values. Also, activating the well tool may occur only if a measurement from a second sensor meets a preset criteria. | 10-23-2008 |
20080257547 | Gas assisted lift system - A gas lift system for use in marginal well and small diameter production tubing is disclosed. The system uses compressed natural (produced) gas to lift formation fluids thereby enhancing produced gas. Incorporated in the system is a plurality of differential pressure control valves which provide the required lift capability for a standard jet pump, located at the bottom of the wellbore, to continue to lift produced fluids. The methods of use are described. | 10-23-2008 |
20080308272 | Real Time Closed Loop Interpretation of Tubing Treatment Systems and Methods - A technique facilitates the treatment of a subterranean formation. The technique involves the use of a fluid delivery system that comprises a continuous feedback system. The continuous feedback system utilizes a real time closed loop interpretation technique to instantaneously synchronize and adjust actions at a well site surface relative to measured downhole events. Sensors are used to monitor at least one downhole property in real time. Based on the real time data, the continuous feedback system enables adjustments to be made with respect to the at least one property in a manner designed to influence a downhole event. | 12-18-2008 |
20090008089 | CONTROL SYSTEM AND METHOD FOR CONTROLLING A HYBRID PETROLEUM EXTRACTOR/POWER GENERATOR - A control system and control method for controlling a modular apparatus for extracting petroleum and/or generating electricity based on subsurface data as well as market prices of electricity and/or petroleum. One or more probes measure subsurface total pressure, partial pressure of carbon dioxide, partial pressure of hydrogen, oil flow rate, gas flow rate, underground temperature, and/or viscosity of the oil. The control system/method controls the apparatus based on the subsurface parameters by controlling an injection module and/or a gas separator module to increase or decrease output of driver gas. The control system/method may also control the injection module and/or the gas separator module to increase (or decrease) output of driver gas when the market price of electricity decreases (or increases) and/or petroleum increases (or decreases). | 01-08-2009 |
20090020284 | APPARATUS, METHOD AND SYSTEM FOR STOCHASTIC WORKFLOW IN OILFIELD OPERATIONS - The invention relates to a method for performing an oilfield operation. The method steps include obtaining oilfield data sets associated with oilfield entities, generating a stochastic database from the oilfield data sets based on an artificial neural network of the oilfield data sets, screening the oilfield data sets to identify candidates from the oilfield entities, wherein the screening is based on the stochastic database, performing a detail evaluation of each candidates, selecting an oilfield entity from the candidates based on the detail evaluation, and performing the oilfield operation for the selected oilfield entity. | 01-22-2009 |
20090044938 | SMART MOTOR CONTROLLER FOR AN ELECTRICAL SUBMERSIBLE PUMP - A motor controller for an electrical submersible pump production system is coupled to a real-time software model using known correlations and algorithms to model the performance of the production system, including the production equipment and the well, and executes separately from any modeling used to compute operating parameters from downhole measurements for use by the motor controller. The real-time software model receives operating parameter measurements from a data acquisition subsystem and compares the measurements with projected operating parameter values according to the model. Differences between measured and projected values are analyzed to identify operating problems or non-optimal operating conditions, with automatic corrections and/or notifications being triggered. | 02-19-2009 |
20090078412 | CIRCULATION PUMP FOR CIRCULATING DOWNHOLE FLUIDS, AND CHARACTERIZATION APPARATUS OF DOWNHOLE FLUIDS - A circulation pump for circulating downhole fluids is provided. The circulation pump includes a cylindrical pump housing, a shaft secured in the pump housing extending in a longitudinal direction thereof, an impeller rotating around the shaft in the pump housing, a cylindrical magnetic coupler rotating around the pump housing, the cylindrical magnetic coupler including a magnet, and a motor positioned outside of the pump housing and connected to the magnetic coupler to rotate the magnetic coupler around the pump housing. The impeller is provided with a magnetic piece, which is capable of being magnetically connected with the magnet of the cylindrical magnetic coupler to cause the impeller to rotate around the shaft by rotating the cylindrical magnetic coupler around the pump housing. | 03-26-2009 |
20090084545 | METHOD FOR MANAGING PRODUCTION FROM A HYDROCARBON PRODUCING RESERVOIR IN REAL-TIME - The invention relates to a method of performing an oilfield operation of an oilfield having at least one wellsite, each wellsite having a wellbore penetrating a subterranean formation for extracting fluid from an underground reservoir therein. The method steps include obtaining a plurality of real-time parameters from a plurality of sensors disposed about the oilfield, wherein the plurality of real-time parameters comprise at least one selected from a group consisting of real-time flow rate data and real-time pressure data of the wellbore, configuring a gridless analytical simulator for simulating the underground reservoir based on the plurality of real-time parameters, generating real-time simulation results of the underground reservoir and the at least one wellsite in real-time using the gridless analytical simulator, and performing the oilfield operation based on the real-time simulation results | 04-02-2009 |
20090101341 | Water Control Device Using Electromagnetics - An apparatus for controlling a flow of fluid in a well includes a flow control device and a generator that generates electrical energy in response to a flow of an electrically conductive fluid. The flow control device may include an actuator receiving electrical energy from the generator, and a valve operably coupled to the actuator. The actuator may be configured to operate after a preset value for induced voltage is generated by the generator. The generator may use a pair of electrodes positioned along a flow path of the electrically conductive fluid to generate electrical energy. In one arrangement, one or more elements positioned proximate to the electrodes generate a magnetic field along the flow path of the electrically conductive fluid that causes the electrodes to generate a voltage. In another arrangement, the electrodes create an electrochemical potential in response to contact with the electrically conductive fluid. | 04-23-2009 |
20090120635 | Apparatus and Method for Maintaining Boost Pressure to High-Pressure Pumps During Wellbore Servicing Operations - A wellbore services manifold trailer comprising a blender connector configured to couple to a blender, a boost pump coupled to the blender connector, a high-pressure pump suction connector coupled to the boost pump and configured to couple to a high-pressure pump, a high-pressure pump discharge connector configured to couple to the high-pressure pump, and a wellhead connector configured to couple to a wellhead is disclosed. A wellbore servicing method comprises receiving a fluid at a first pressure, increasing the pressure of the fluid to a second pressure greater than the first pressure, feeding the fluid to a high-pressure pump at the second pressure, receiving the fluid from the high-pressure pump at a third pressure greater than the second pressure, and feeding the fluid to a wellhead at the third pressure is also disclosed. | 05-14-2009 |
20090133869 | Water Sensitive Adaptive Inflow Control Using Couette Flow To Actuate A Valve - An apparatus for controlling fluid flow into a wellbore tubular includes a flow control member that selectively aligns a port with an opening in communication with a flow bore of the wellbore tubular. The flow control member may have an open position wherein the port is aligned with the opening and a closed position wherein the port is misaligned with the opening. The flow control member moves between the open position and closed position in response to a change in drag force applied by a flowing fluid. A biasing element urges the flow control member to the open or the closed position. The apparatus may include a housing receiving the flow control member. The flow control member and the housing may define a flow space that generates a Couette flow that causes the drag force. In embodiments, the flow space may include a hydrophilic and/or water swellable material. | 05-28-2009 |
20090139714 | INTERVENTIONLESS PINPOINT COMPLETION AND TREATMENT - A method of treating a subterranean formation is provided utilizing a system for setting downhole control pressure to select and operate hydraulically activated sleeve valves which are disposed on a casing which is cemented into a well bore, and flowing a first treatment fluid which is capable of dissolving cement through the hydraulically activated sleeve valves. | 06-04-2009 |
20090166034 | Gas wellhead extraction system and method - A method and apparatus for automating control, remotely monitoring, and controlling a gas wellhead extraction assembly, coupled to a gas pipeline section. The gas wellhead extraction device assembly may be used to increase gas volume, and/or overall gas flow from productive low or high pressure wells, as well as “wake-up” or recover lowered production from depleting wells. Two features of the gas wellhead extraction device assembly of the present invention is the capability of creating substantial differential pressure, along with the ability to create substantial vacuum pressure on the suction inlet. | 07-02-2009 |
20090173494 | SYSTEM AND METHOD TO INTERPRET DISTRIBUTED TEMPERATURE SENSOR DATA AND TO DETERMINE A FLOW RATE IN A WELL - A technique is provided to determine a flow rate of a production fluid. The technique is utilized in a well having a gas lift system. Temperatures are measured along the well to create a temperature profile. The temperature profile is used to determine the flow rate of a produced fluid. | 07-09-2009 |
20090218096 | Control System for an Annulus Balanced Subsurface Safety Valve - A control system for an annulus balanced subsurface safety valve. A system for operating a safety valve in a well includes a piston of the safety valve being responsive to displace due to a pressure differential between chambers exposed to the piston; and a valve controller which alternately exposes at least one of the chambers to pressure in an annulus surrounding the safety valve, and to pressure greater than that in the annulus. A method of operating a safety valve in a well includes the steps of: opening the safety valve by biasing a piston of the safety valve to displace in response to a pressure differential between a chamber exposed to pressure greater than well pressure, and another chamber exposed to well pressure; and closing the safety valve by exposing both of the chambers to the well pressure. | 09-03-2009 |
20090250210 | Device and Method For Gas Lock Detection In An Electrical Submersible Pump Assembly - A device and method can detect, and also break, an occurrence of gas lock in an electrical submersible pump assembly in a well bore based upon surface or downhole data without the need for operator intervention. To detect an occurrence of gas lock, an instantaneous value is monitored using a sensor. Then a controller compares the instantaneous value to a threshold value over a predetermined duration to thereby detect the occurrence of gas lock in the electrical submersible pump assembly. Sensors can include, for example, a differential pressure gauge, a pressure gage located in a pump stage located toward the inlet, a fluid temperature sensor located toward the discharge, a free gas detector located near the pump discharge, an electrical resistivity gage, a flow meter located within surface production tubing, and a vibration sensor attached to a tubing string to measure a vibration signature. | 10-08-2009 |
20090255669 | TOOL AND METHOD FOR DETERMINING FORMATION PARAMETER - An apparatus and method of measuring a parameter characteristic of a rock formation in an oil well is provided with a device for generating a sensing field within a volume of the rock formation and a device for causing a flow through the volume in the presence of the sensing field, further including sensors responsive to changes in the volume, wherein a sensor response is indicative of the amounts of fluid, particularly hydrocarbon and water saturations and irreducible hydrocarbon and water saturations. Measurements can be made before the flow affects the measuring volume and after onset of the flow through the measuring volume. | 10-15-2009 |
20090272529 | System and Method for Selective Activation of Downhole Devices in a Tool String | 11-05-2009 |
20090283262 | DOWNHOLE FLOW CONTROL DEVICE AND METHOD - Disclosed herein is a downhole flow control device. The device includes, a first member defining a first portion of a flow path, and a second member defining a second portion of the flow path, the flow path has a cross sectional flow area defined at least partially by the first member and the second member, a length of the flow path is greater than a largest dimension of the cross sectional flow area, and the cross sectional flow area is adjustable by movement of at least a portion of the first member relative to the second member. | 11-19-2009 |
20090308603 | Work string controller - Well bore servicing equipment is provided. The well bore servicing equipment comprises a first manipulator to grip a well bore work string, to raise the work string, and to lower the work string. The well bore servicing equipment further comprises a controller to receive a work string trajectory input and to automatically control the first manipulator to raise and lower the work string substantially in conformance with the work string trajectory input. | 12-17-2009 |
20100038078 | DOWN-HOLE LIQUID LEVEL CONTROL FOR HYDROCARBON WELLS - This invention provides for an apparatus that controls a liquid level down-hole of a hydrocarbon producing well by physically monitoring the liquid level down-hole having a down-hole liquid level measurer and a signal device connected to the liquid level measurer that causes a pump to adjust its current liquid output based on the liquid level down-hole as measured by the down-hole liquid level measurer. | 02-18-2010 |
20100051267 | Gas flow system - A gas flow system for removing a liquid from a well bore and allowing for gas production is provided. The gas flow system comprises a casing in the well bore for allowing flow of the liquid and gas; a tubing string in the casing for allowing flow of the liquid and gas; pressure measurement devices for use in determining a rate of liquid influx into the well bore; a casing control valve moveable between various positions ranging from fully open to fully closed for controlling flow through the casing; a tubing control valve moveable between various positions ranging from fully open to fully closed for controlling flow through the tubing; and flow measurement devices for determining the rate of flow through the tubing and the total rate of flow. The system is switchable between a current production phase and an alternate production phase based on the determined rate of liquid influx, a tubing critical velocity and a gas flow rate through the tubing, wherein switching from a current production phase to an alternate production phase results in the either or both of a decrease in liquid build-up in the well bore and an increase in gas production rate and wherein the current production phase differs from the alternate production phase. | 03-04-2010 |
20100084131 | RESERVOIR MANAGEMENT LINKING - A method of reservoir management linking. The method includes receiving a reservoir volume from a submitter, the reservoir volume modeling hydrocarbons in a reservoir, and determining that the submitter is authorized to submit the reservoir volume and sending notification of the reservoir volume to a first approver. The method further includes storing the reservoir volume on a storage device, receiving approval of the reservoir volume from the first approver, determining that the first approver is authorized to approve the reservoir volume, generating a standardized report associated with the reservoir volume, and displaying the standardized report. | 04-08-2010 |
20100170673 | SYSTEM AND METHOD FOR DOWNHOLE BLOWOUT PREVENTION - A system for monitoring and controlling fluid flow through a borehole in an earth formation is disclosed. The system includes: a downhole tool configured to be movable within the borehole; and a plurality of interchangeable modules disposed within the downhole tool, the plurality of interchangeable modules including at least a sensor module for detecting a property change in the borehole and a packer module for sealing a portion of the borehole in response to the property change. Each of the plurality of interchangeable modules includes a connection configuration, the connection configuration of one of the modules being removably engageable with at least another of the modules. A method of monitoring and controlling fluid flow through a borehole in an earth formation is also disclosed. | 07-08-2010 |
20100193183 | METHODS AND SYSTEMS FOR MANAGING AQUIFER OPERATION - Systems and methods for managing aquifer operation are included. An exemplary method includes receiving at an analysis computing device, one or more water measurements from a plurality of sites in an aquifer, wherein water measurements are received at a plurality of time points. A site may include one or more groundwater extraction wells. The method may further include calculating well operational data for at least one groundwater extraction well based on the water measurements, wherein the well operational data includes a well efficiency over a time period. Further, the method may include receiving an aquifer objective input via a graphical user interface presented on the analysis computing device. The method may further include generating a pump operation signal based on the well operational data and the aquifer objective input. | 08-05-2010 |
20100200224 | HYDROCARBONS PRODUCTION INSTALLATION AND METHOD - Some embodiments include a heavy-oil-based hydrocarbons effluent production installation for the production of hydrocarbons from at least one well. The installation includes an effluent-lightening fluid injection system at the bottom of the well, an effluent-evacuation pump, a plurality of sensors that measure physical units relating to the installation, and an automated device suitable for optimizing the lightening-fluid injection flow-rate and for regulating the pump speed. The automated device regulates the pump speed according to the physical units and a predetermined target production value. The speed of the pump and the physical units are within a predetermined range of values. some embodiments include a hydrocarbons production method in such an installation. Some embodiments make it possible to ensure a minimum consumption of lightening fluid, while ensuring good operation of the pump and good productivity of the well. | 08-12-2010 |
20100206559 | Iterative Reservoir Surveillance - Method for reservoir surveillance using a three-dimensional Earth Model ( | 08-19-2010 |
20100206560 | AUTOMATED CLOSED LOOP FLOWBACK AND SEPARATION SYSTEM - An automated closed loop flowback and separation system that allows automated control and remote operation of a flowback operation from a safe distance without any fluid or gas release to the atmosphere. Four-phase separation tanks allow the transport gas, well bore cuttings, produced oil, and produced water to be automatically separated and transported through process piping for reuse or sale, eliminating the need for auxiliary equipment. Flow measurement instruments, pressure transmitters, and level transmitters work in conjunction with an automated blast choke to send data to a programmable logic controller for use in calculating the erosion status of the choke restriction and adjusting the choke to compensate. The programmable logic controller works with a touch-screen or similar human-machine interface to allow remote monitoring and control or automated control of the system. The automated blast choke can vary the choke restriction opening based on the pressure differential and flow rate conditions. | 08-19-2010 |
20100224362 | Electromagnetic Imaging By Four Dimensional Parallel Computing - Method for organizing computer operations on a system of parallel processors to invert electromagnetic field data ( | 09-09-2010 |
20100243243 | Active In-Situ Controlled Permanent Downhole Device - A well system is provided and configured for local and/or global control of a well. The well system may comprise one or more controllable downhole devices. Each of the downhole devices may include a telemetry module, an energy module configured to at least power an actuator, a controller communicably coupled to the telemetry module and one or more sensors, and a controllable component coupled to the actuator. The well system may further include a surface controller comprising a desired state input device configured to accept a desired state and then provide the desired state to the controller via the telemetry module. The controller may compare the desired state to an actual state determined by a sensor and instruct the actuator to adjust the controllable component such that the actual state approaches the desired state. The downhole device may operate autonomously after the initial setting of the desired state. | 09-30-2010 |
20100288493 | CABLE SUSPENDED PUMPING SYSTEM - Embodiments of the present invention generally relate to a cable suspended pumping system. In one embodiment, a method of producing fluid from a reservoir includes deploying a pumping system into a wellbore to a location proximate the reservoir using a cable. The pump assembly includes a motor, an isolation device, a pump, and a power conversion module (PCM). The method further includes setting the isolation device, thereby rotationally fixing the pumping system to a tubular string disposed in the wellbore and isolating an inlet of the pump from an outlet of the pump; supplying a DC power signal from the surface to the PCM via the cable; and supplying a second power signal to the motor, thereby operating the pump and pumping reservoir fluid from the reservoir to the surface. | 11-18-2010 |
20110079387 | Method of Providing a Flow Control Device That Substantially Reduces Fluid Flow Between a Formation and a Wellbore When a Selected Property of the Fluid is in a Selected Range - A method of providing a flow control device is disclosed, which one aspect may include: defining a flow rate; defining a desired relationship between a parameter of the flow control device that exhibits a substantial change when a selected property of the fluid changes in a first range and remains substantially constant when the selected property is in the second range; determining using a computer and a simulation program the relationship between the performance parameter and the selected property over the first range and the second range for the defined flow rate for a geometry of a flow through area of a flow control device; comparing the determined relationship of the performance parameter with the desired relationship; altering the geometry to a new geometry when the difference between the desired performance and the determined performance is outside a desired range; determining using the computer and the simulation program the relationship between the performance parameter and the selected property over the first range and the second range for the defined flow rate for the new geometry of the flow through area of the flow control device; repeating the process of altering the geometry and determining the performance until the difference between the desired performance and the determined performance for a geometry is acceptable; and storing the geometry of the flow through device on a suitable storage medium for which the difference between the determined performance and the desired performance is acceptable. | 04-07-2011 |
20110083844 | Seismic Fluid Prediction Via Expanded AVO Anomalies - A seismic fluid prediction data, e.g., a dataset, is generated for a subsurface region by preconditioning seismic data for amplitude-versus-offset (AVO) analysis. Seismic AVO attribute data is generated for the subsurface region, including creating intercept (A) and gradient (B) seismic data using two or more angle stacks of seismic data. Lithology prediction data is generated with the intercept (A) and gradient (B) seismic data, and an AVO crossplot for fluids is generated to identify an initial AVO anomaly. Seismic fluid prediction data is generated based on the generated AVO crossplot and lithology prediction data. | 04-14-2011 |
20110139445 | System and Method for Downhole Communication - A method of servicing a wellbore extending from a surface and penetrating a subterranean formation is provided. The method comprises placing a assembly in the wellbore, wherein the assembly comprises at least a first downhole tool, a signal receiver subassembly, and a conveyance between the first downhole tool and the surface. The method further comprises the signal receiver subassembly receiving a first signal generated by contact between the wellbore and the assembly and initiating a first function of the first downhole tool based on the first signal. | 06-16-2011 |
20110146975 | Wireline-Adjustable Downhole Flow Control Devices and Methods for Using Same - A method of producing fluids from a wellbore that has therein n adjustable flow control device for controlling flow of fluid between a formation and the wellbore may include: providing a tool having a sensor configured to provide measurements relating to a downhole property of interest, wherein the tool is configured to adjust flow from the flow control device; conveying the tool into the wellbore; determining the property of interest using the tool; and adjusting the flow through the flow control device with the tool at least in part in response to the determined parameter of interest. An apparatus for controlling fluid flow between a formation and a wellbore, according to one embodiment may include: a tool configured to be conveyed into a wellbore that contains at least one sensor for estimating a property of interest downhole and a latching device configured to couple to a flow control device in the wellbore to alter flow of the fluid through the flow control device. | 06-23-2011 |
20110168391 | METHOD FOR DYNAMICALLY ASSESSING PETROLEUM RESERVOIR COMPETENCY AND INCREASING PRODUCTION AND RECOVERY THROUGH ASYMMETRIC ANALYSIS OF PERFORMANCE METRICS - Methods for accurately assessing the condition of a petroleum reservoir and designing and implementing a plan of action to increase production and recovery of petroleum from the reservoir. Information is gathered using a unique set of metrics and information gathering techniques and analyzed in a targeted fashion by properly weighting the data in the context of the particular reservoir and goals of the producer. A reservoir rating is generated using asymmetric analysis of metrics and then used to formulate a plan of action. Production architecture (e.g., number, location and manner of constructing oil and injector wells) is then constructed according to the plan of action. Reservoir performance can be continuously monitored and used to verify production and recovery goals and/or provide triggers or alarms to alter production equipment. | 07-14-2011 |
20110168392 | Remote Operation of an Oilfield Device - A rotating control device is remotely hydraulically latched and unlatched with a docking station housing for use and removal, respectively. The system and method allows for interactive lubrication and cooling of the rotating control device, as needed, along with a supply of fluid for use with an active seal. A first sensor and a second sensor can be used to detect temperature, pressure and density of the supplied fluid at different locations and this data can be compared using a central processing unit (CPU). Also, a sensor can be used to detect the revolutions per minute of a rotating seal of the rotating control device and fluid can be provided to the rotating control device responsive to the detected revolutions per minute. | 07-14-2011 |
20110284218 | Method for increasing the formation oil yield during crude oil production and apparatus thereof - The invention relates to the field of producing the liquid subsoil assets, and could be used in the bottom-hole pumping of oil wells. | 11-24-2011 |
20110297370 | HYDROCARBON PRODUCTION ALLOCATION METHODS AND SYSTEMS - Methods and systems are provided for allocating production among reservoir compartments by way of compositional and isotopic analyses. That is, where individual reservoir compartments contribute differing amounts of fluid to a commingled production stream, the methods herein determine the relative contribution of fluid volume from each reservoir compartment. | 12-08-2011 |
20120018150 | FREQUENCY SWEEPING TUBEWAVE SOURCES FOR LIQUID FILLED BOREHOLES - A system for generating variable frequency tube waves includes a high pressure multiplex pump having a number of plungers, with each plunger operatively coupled to a suction valve on a suction side and a discharge valve on a discharge side. The suction valve or the discharge valve of a first one of the plungers includes an opening, such that the modified plunger on a discharge stroke pushes fluid through the opening in the suction or discharge valve. The system includes a tubular fluidly coupling the high pressure multiplex pump to a wellbore, and a pressure sensor that receives tube waves generated by the high pressure multiplex pump and reflected from the wellbore. | 01-26-2012 |
20120024523 | TOOL AND METHOD FOR DETERMINING FORMATION PARAMETER - An apparatus and method of measuring a parameter characteristic of a rock formation in an oil well is provided with a device for generating a sensing field within a volume of the rock formation and a device for causing a flow through the volume in the presence of the sensing field, further including sensors responsive to changes in the volume, wherein a sensor response is indicative of the amounts of fluid, particularly hydrocarbon and water saturations and irreducible hydrocarbon and water saturations. Measurements can be made before the flow affects the measuring volume and after onset of the flow through the measuring volume. | 02-02-2012 |
20120037362 | FLUID METERING TOOL WITH FEEDBACK ARRANGEMENT AND METHOD - A downhole tool with a feedback arrangement including a tool having one or more fluid outflow ports that exhaust fluid during normal operation of the tool. A feedback arrangement in operable communication with the fluid exhausted from the one or more fluid outflow ports during operation of the tool. The feedback arrangement interacting with exhausting fluid to produce a signal receivable at a remote location indicative of proper tool operation. A method for confirming operation of a downhole tool is included. | 02-16-2012 |
20120152532 | ARTIFICIAL LIFT INTEGRAL SYSTEM FOR THE PRODUCTION OF HYDROCARBONS FOR OIL WELLS BY MEANS OF PNEUMATIC PUMPING WITH NATURAL GAS AUTONOMOUSLY SUPPLIED BY OIL WELLS - A system and a method for the artificial pneumatic production of oil and gas which is self-supplied is provided. The well's originating gas separates in a skid of separation of oil and after gas is rectified, gas is injected again into the well; the gas injection is made to a pressure enough to lift the oil-gas mixture inside the well. The excess of gas is exhausted toward the closer processing station. | 06-21-2012 |
20120193091 | Plunger lift control system arrangement - A plunger lift control system for improving the output efficiency of an oil or gas well by a real-time reporting arrangement, the system comprising: a tubing string having an upper end and a lower end, the tubing string arranged within a well casing for receiving a plunger traveling therethrough, a plunger having a sound generating function therewith, so as to transmit a real-time lower-end location signal from the plunger to a signal sensor and processor arranged in communication with a system controller arranged at the upper end of the tubing. | 08-02-2012 |
20120318502 | WATER DETECTION AND 3-PHASE FRACTION MEASUREMENT SYSTEMS - Methods and apparatus enable monitoring a hydrocarbon well for water within a flow stream of the well. A water detector includes a light source for emitting into a flow stream infrared light that includes a water absorbent wavelength band. A detector detects attenuation of the water absorbent wavelength band upon the infrared radiation passing through at least a portion of the flow stream. The water detector outputs a presence of water and/or a phase fraction or quantification of water as determined based on the attenuation. Detecting attenuation of a substantially transmissive wavelength band with respect to water simultaneously with detection of the attenuation of the water absorbent wavelength band can enable correction for non-wavelength dependent attenuation. | 12-20-2012 |
20130014941 | Remotely Activated Downhole Apparatus and MethodsAANM Tips; Timothy RatherAACI MontgomeryAAST TXAACO USAAGP Tips; Timothy Rather Montgomery TX USAANM Longbottom; James R.AACI MagnoliaAAST TXAACO USAAGP Longbottom; James R. Magnolia TX USAANM Covington; Ricky LayneAACI DuncanAAST OKAACO USAAGP Covington; Ricky Layne Duncan OK USAANM Fripp; MichaelAACI CarrolltonAAST TXAACO USAAGP Fripp; Michael Carrollton TX USAANM Helms; LonnieAACI DuncanAAST OKAACO USAAGP Helms; Lonnie Duncan OK USAANM Acosta; FrankAACI DuncanAAST OKAACO USAAGP Acosta; Frank Duncan OK USAANM Budler; NicholasAACI MarlowAAST OKAACO USAAGP Budler; Nicholas Marlow OK USAANM Key; JohnAACI ComancheAAST OKAACO USAAGP Key; John Comanche OK US - An apparatus includes an impervious body, a sealing element; an energy source, and a trigger. The impervious body is configured to prevent passage of fluid therethrough. The sealing element is disposed about the impervious body. The energy source is operationally connected to the sealing element. The trigger is configured to transfer energy from the energy source to the sealing element. The trigger is activated, at least in part, by receiving a signal from a pump tool passing through an interior of the impervious body. | 01-17-2013 |
20130032340 | METHODS FOR MONITORING THE FORMATION AND TRANSPORT OF AN ACIDIZING FLUID USING OPTICOANALYTICAL DEVICES - In or near real-time monitoring of fluids can take place using an opticoanalytical device that is configured for monitoring the fluid. Fluids can be monitored prior to or during their introduction into a subterranean formation using the opticoanalytical devices. Produced fluids from a subterranean formation can be monitored in a like manner. The methods can comprise providing at least one acid; combining the at least one acid with a base fluid to form an acidizing fluid; and monitoring a characteristic of the acidizing fluid using a first opticoanalytical device that is in optical communication with a flow pathway for transporting the acidizing fluid. | 02-07-2013 |
20130043023 | PUMPING SYSTEM - The present invention relates to a wellbore pumping system submerged into a wellbore for unloading liquid from a wellbore comprising well fluid, such as gas, having a wellbore pressure, comprising a pump having an inlet and an outlet, a tubing fluidly connected with the outlet of the pump, and a driving unit connected with and powered by a cable, such as a wireline, and having a rotatable drive shaft for driving the pump, wherein the pump is a reciprocating pump comprising at least one pumping unit having a first moving member displaceable in a housing for sucking well fluid into and out of a first chamber. Furthermore, the invention relates to a wellbore pumping method. | 02-21-2013 |
20130062056 | MULTIPLE ANNULUS UNIVERSAL MONITORING AND PRESSURE RELIEF ASSEMBLY FOR SUBSEA WELL COMPLETION SYSTEMS AND METHOD OF USING SAME - A well completion system for monitoring multiple annuluses in a well, including an “A” annulus (between the production tubing and production casing) and a “B” annulus (between the production casing and intermediate casing). The system includes a tubing hanger suspension assembly that seals and separates an upper area of the production annulus. Port(s) in the production casing above the seal provide access between the “B” annulus and the separated area. The system also includes a moveable sleeve that allows fluid communication through the port(s) when in an open position, but not in a closed position. The tubing hanger suspension assembly includes means for moving the sleeve from the closed position to the open position. In addition, the tubing hanger housing includes “A” and “B” annulus passageways in communication with the production annulus and the separated area, respectively. | 03-14-2013 |
20130068452 | SETTING THE VALUE OF AN OPERATIONAL PARAMETER OF A WELL - A method of setting the value of an operational parameter of a well is provided. The method includes providing a measure related to the actual value of the parameter; setting a maximum limit for the measure; setting a minimum limit for the measure; setting a demanded value for the parameter; and automatically overriding the demanded value if it is such that it would result in the measure exceeding the maximum limit or being below the minimum limit to produce an actual value for the parameter with results in the measure not exceeding the maximum limit and not being below the minimum limit | 03-21-2013 |
20130075091 | WELLBORE SURVEILLANCE SYSTEM - The present invention relates to wellbore surveillance system for obtaining fluid reservoir information data, such as the position and amount of gas, oil and/or water, while draining hydrocarbons from an oil or gas field via a casing in a wellbore in a formation, the casing having a vertical part near a top of the casing and an inner face, the system comprising a first sensor for measuring a content of gas, oil and/or water in the formation, and a second sensor for measuring a content of gas, oil and/or water in the formation. | 03-28-2013 |
20130112407 | Obtaining Data From An Earth Model Using Functional Descriptors - There is provided a system and method for obtaining data corresponding to a physical property of interest from a three-dimensional (3D) earth model. An exemplary method comprises defining a region of interest in the 3D earth model via at least one functional descriptor. The exemplary method also comprises extracting data corresponding to the physical property of interest where the region of interest and the 3D earth model overlap. | 05-09-2013 |
20130175030 | Submersible Pump Control - A system can include an interface to receive sensed data and economic data; a production control framework that includes a module for modeling motor efficiency of an electric submersible pump, a module for modeling gas composition of a fluid being pumped by an electric submersible pump, a module for modeling solid dynamics in a fluid being pumped by an electric submersible pump, a module to update one or more of the modules for modeling in response to receipt of data via the interface; and an interface to output control commands to a controller for an electric submersible pump based at least in part on data received by the interface and analyzed by the production control framework. Various other apparatuses, systems, methods, etc., are also disclosed. | 07-11-2013 |
20130213644 | METHOD FOR SIGNALLING A DOWNHOLE DEVICE IN A WELL - A method and apparatus for controlling the operation of a well involves locating a pressure monitoring device downhole and arranging it to be operative: to monitor a characteristic pressure profile of a well during a certain time span controlled by a downhole clock associated with the device; to monitor the temperature downhole in the region of the clock; to calibrate a time reading of the downhole clock with reference to the monitored temperature to correct for drift between the clock time and real time resulting from the downhole elevated temperature; and to respond and generate a triggering output when a significant deviation to the pressure profile is introduced into the well as a control signal to the monitoring device, by comparing two separate pressure profiles within the time span, the device only generating the triggering output when the same pressure profile is monitored twice within the time span. | 08-22-2013 |
20130228328 | AGENT REGISTRATION IN DYNAMIC PHASE MACHINE AUTOMATION SYSTEM - A method, apparatus, and program product facilitate the automation of an oil & gas process, e.g., a drilling process, through the use of a dynamic phase machine incorporating multiple autonomous agents. The agents may be registered after deployment of the dynamic phase machine to dynamically extend the dynamic phase machine and modify an oil & gas process implemented thereby. | 09-05-2013 |
20130327521 | OILFIELD APPLICATION FRAMEWORK - A method for performing an oilfield operation of an oilfield having a subterranean formation. The method includes collecting oilfield data and deploying a first plug-in including a first oilfield technology functionality into an oilfield hosting application. The method further includes performing an oilfield analysis on the collected oilfield data in the oilfield hosting application using the first oilfield technology functionality of the first plug-in to generate an oilfield output and adjusting an oilfield operation based on the oilfield output. | 12-12-2013 |
20130327522 | FLUID DISTRIBUTION DETERMINATION AND OPTIMIZATION WITH REAL TIME TEMPERATURE MEASUREMENT - Fluid distribution determination and optimization using real time temperature measurements. A method of determining fluid or flow rate distribution along a wellbore includes the steps of: monitoring a temperature distribution along the wellbore in real time; and determining in real time the fluid or flow rate distribution along the wellbore using the temperature distribution. A method of optimizing fluid or flow rate distribution includes the steps of: predicting in real time the fluid or flow rate distribution along the wellbore; comparing the predicted fluid or flow rate distribution to a desired fluid or flow rate distribution; and modifying aspects of a wellbore operation in real time as needed to minimize any deviations between the predicted and desired fluid or flow rate distributions. | 12-12-2013 |
20130333881 | SELECTIVE EXTRACTION OF FLUIDS FROM SUBSURFACE WELLS - A method for reducing the extent of treatment required for groundwater comprises the steps of (A) determining one of groundwater (1) flow, and (2) chemistry within at least one of a plurality of fluid zones within a subsurface well having a primary pump positioned at least partially therein; (B) modifying fluid dynamics within the subsurface well based on at least one of the groundwater flow and chemistry; (C) selectively extracting groundwater from at least one of the plurality of fluid zones with the primary pump; and (D) removing one or more contaminants from the groundwater with a fluid treatment system. Additionally, the step of determining can include the use of miniaturized technologies, such as miniaturized flow profiling technologies, miniaturized water sampling technologies and miniaturized sensors. | 12-19-2013 |
20130341013 | Methods for real time control of a mobile rig - A completion system and method adapted for use in wells having long lateral boreholes includes a mast assembly, a pipe handling mechanism, a pipe arm, a pipe tub, a pump/pit combination skid, a rig carrier, and a control system. The control system can be used to automate operations of the completion system to facilitate rapid and safe make-up and breaking of tubular connections. | 12-26-2013 |
20140000877 | Systems and methods for monitoring a wellbore and actuating a downhole device | 01-02-2014 |
20140060822 | METHOD FOR DETERMINING PROPERTIES OF A HYDROCARBON RESERVOIR FORMATION AND PRODUCED FLUIDS IN THE PROCESS OF PRODUCTION - An acoustic signal is recorded at least once, the signal being a response of a wellbore-reservoir system onto acoustic impulses of pressure. A source of the pressure impulses is an electric submersible pump located inside the wellbore. The acoustic signal is recorded at least once by at least one sensor placed in a bottomhole chamber of the wellbore, the sensor measuring at least one physical parameter of the wellbore-reservoir system, which characterizes a process of propagation of the acoustic signal in the wellbore. A mathematical model of propagation of acoustic signals in the bottomhole chamber is created and data obtained by means of modeling are compared with data obtained by means of registering of the acoustic signals. Parameters of the reservoir formation in the mathematical model are adjusted in order to provide for consistency of at least one quantitative physical characteristic of the wellbore-reservoir system obtained by means of modeling with the same quantitative physical characteristic obtained by registration, and properties of the reservoir and of the produced fluids are determined as parameters providing for consistency. | 03-06-2014 |
20140083689 | Method of Completing a Multi-Zone Fracture Stimulation Treatment of a Wellbore - A wellbore servicing tool comprising a housing comprising ports, a triggering system, a first sliding sleeve transitional from a first position to a second position, and a second sliding sleeve transitional from a first position to a second position, wherein, when in the first position, the first sliding sleeve retains the second sliding sleeve in the first position, wherein, when in the first position, the second sliding sleeve prevents a route of fluid communication via the one or more ports of the housing and, when is in the second position, the second sliding sleeve allows fluid communication via the ports, and wherein the triggering system is configured to allow the first sliding sleeve to transition from the first position to the second position responsive to recognition of a predetermined signal comprising a predetermined pressure signal, a predetermined temperature signal, a predetermined flow-rate signal, or combinations thereof. | 03-27-2014 |
20140083690 | MULTIPLE ZONE INTEGRATED INTELLIGENT WELL COMPLETION - A system for use with a well having multiple zones can include multiple well screens which filter fluid flowing between a completion string and respective ones of the zones, at least one optical waveguide which senses at least one property of the fluid as it flows between the completion string and at least one of the zones, multiple flow control devices which variably restrict flow of the fluid through respective ones of the well screens, and multiple pressure sensors which sense pressure of the fluid which flows through respective ones of the well screens. A completion string for use in a subterranean well can include at least one well screen, at least one flow control device which selectively prevents and permits substantially unrestricted flow through the well screen, and at least one other flow control device which is remotely operable, and which variably restricts flow through the well screen. | 03-27-2014 |
20140083691 | MULTIPLE ZONE INTEGRATED INTELLIGENT WELL COMPLETION - A system for use with a well having multiple zones can include multiple well screens which filter fluid flowing between a completion string and respective ones of the zones, at least one optical waveguide which senses at least one property of the fluid as it flows between the completion string and at least one of the zones, multiple flow control devices which variably restrict flow of the fluid through respective ones of the well screens, and multiple pressure sensors which sense pressure of the fluid which flows through respective ones of the well screens. A completion string for use in a subterranean well can include at least one well screen, at least one flow control device which selectively prevents and permits substantially unrestricted flow through the well screen, and at least one other flow control device which is remotely operable, and which variably restricts flow through the well screen. | 03-27-2014 |
20140102697 | SYSTEMS AND METHODS FOR MANAGING HYDROCARBON MATERIAL PRODUCING WELLSITES USING CLAMP-ON FLOW METERS - A method and system for managing one or more hydrocarbon producing well sites is provided. The well site includes a hydrocarbon material flow passing through a pipe. The system includes a clamp-on flow meter and a control station. The clamp-on flow meter is operable to produce output indicative of at least one characteristic of the hydrocarbon material flowing through the pipe at the well site. The control station is separately located from the well site. The control station includes at least one processor adapted to receive the output from the clamp-on flow meter. The processor is adapted to determine one or more characteristics of the hydrocarbon material flow at each well site using a flow compositional model. | 04-17-2014 |
20140131034 | High Precision Locked Laser Operating at Elevated Temperatures - A system, method and apparatus for operating a laser at a downhole location is disclosed. A gas is configured to receive an output of a laser and to absorb a selected wavelength of the laser corresponding to a selected spectral line of the gas. A pressure device reduces broadening of the selected spectral line related to a temperature at the downhole location. A photodetector receives light from the gas chamber and provides a measurement related to the received light. A processor alters an operating parameter of the laser using the obtained measurement to operate the laser. | 05-15-2014 |
20140144624 | ELECTRIC MOTORS AND RELATED SYSTEMS FOR DEPLOYMENT IN A DOWNHOLE WELL ENVIRONMENT - A method can include providing a motor that includes a housing, axially aligned stationary electromagnets disposed in the housing, an aperture defined by the axially aligned stationary electromagnets, movable axially aligned permanent magnets disposed in the aperture and a connector shaft connected at an end of the movable axially aligned permanent magnets; disposing the motor and a rod pump in a well; controlling operation of the motor to linearly reciprocate the axially aligned movable permanent magnets and the connector shaft; pumping fluid from the well via the rod pump responsive to the linear reciprocation of the axially aligned movable permanent magnets and the connector shaft; and substantially blocking the pumped fluid from flowing through the aperture defined by the axially aligned stationary electromagnets of the motor. Various other apparatuses, systems, methods, etc., are also disclosed. | 05-29-2014 |
20140151035 | SYSTEM AND METHOD FOR PERFORMING WELLBORE FRACTURE OPERATIONS - A method of performing an oilfield operation about a wellbore penetrating a subterranean formation are provided. The method involves performing a fracture operation by generating fractures about the wellbore. The fractures define a hydraulic fracture network (HFN) about the wellbore. The method also involves generating a discrete fracture network (DFN) about the wellbore by extrapolating fracture data from the HFN. The DFN includes fracture branches with intersections therebetween and matrix blocks. The method also involves generating a depth of drainage through the DFN, defining production parameter(s), and performing a production operation to produce fluids from the subterranean formation based on the depth of drainage and the production parameter(s). The production operation may involve generating a flow rate through the DFN, generating a pressure profile of the DFN for an initial time based on the flow rate, and generating a production rate based on the pressure profile. | 06-05-2014 |
20140158349 | METHOD AND APPARATUS FOR CONTROL OF A PLUNGER LIFT SYSTEM - A method and apparatus for operating a plunger lift system in a well is provided. The methods can include: opening a control valve and allowing a plunger to rise to a top of the well; determining an actual rise time of the plunger based on a time it takes the plunger to rise to the top of the well; using actual rise time of the plunger and a target rise time calculating adjustments to the afterflow time or close time; and allowing the afterflow time to pass before closing the control valve and keeping the valve closed for the close time. The methods are repeated, each time calculating a new adjusted afterflow time or adjusted close time to incrementally alter these times to improve the operation of the plunger lift system. | 06-12-2014 |
20140182846 | DEVICES AND METHODS FOR LANDFILL GAS WELL MONITORING AND CONTROL - A landfill well control system includes a mobile hand-held device provided with a software monitoring application including a table having data related to determination of a desired methane gas output flow rate. A landfill gas (LFG) wellhead gas control valve includes: an electronically controlled, powered flow control device actuator; a flow measurement element producing differential pressures proportional to a gas flow rate; a pressure sensor/transducer; and a microprocessor having control logic capability and the ability to communicate via a local wireless signal to the mobile hand-held device. The powered flow control device actuator using data from the table of the mobile hand-held device or remotely stored data provides automatic valve positioning. | 07-03-2014 |
20140216732 | HYDROCARBON RECOVERY CONTROL SYSTEM AND METHOD - The present disclosure describes a system, method and computer readable medium capable of dynamically managing a hydrocarbon recovery operation. The hydrocarbon recovery operation may utilize an injection well and a production well. Proportional integral derivative controller(s) may be utilized to control injection processes (for the injection well) and/or production processes (for the production well) using temperature and/or pressure data obtained from the formation. One or more production tubulars may be equipped with inflow control devices capable of controlling the flow of hydrocarbons from the formation into the production well. In one embodiment, the PID controller(s) may adjust the positioning of the injection tubing strings and/or production tubulars within their respective wells. A graphic user interface may be provided to allow users to adjust and/or customize recovery operation parameters. | 08-07-2014 |
20140231078 | METHOD OF RECOVERING HYDROCARBONS FROM A RESERVOIR - A downhole steam generation apparatus and method of use are provided. The apparatus may include an injection section, a combustion section, and an evaporation section. The injection section may include a housing, injector elements, and injector plate. The combustion section may include a liner having channels disposed therethrough. The evaporation section may include conduits in fluid communication with the channels and the combustion chamber, and a nozzle operable to inject a fluid from the channels to the combustion chamber in droplet form. A method of use may include supplying fuel, oxidant, and fluid to the apparatus; combusting fuel and oxidant in a chamber while flowing the fluid through a plurality of channels disposed through a liner, thereby heating the fluid and cooling the liner; and injecting droplets of the heated fluid into the chamber and evaporating the droplets by combustion of the fuel and the oxidant to produce steam. | 08-21-2014 |
20140352953 | Integrated Computational Element Analysis of Production Fluid in Artificial Lift Operations - A downhole pump assembly for pumping production fluid to a surface of a well. The downhole pump assembly includes a fluid pump that is operable to pump the production fluid to the surface. An optical computing device having at least one integrated computational element and at least one detector. The at least one integrated computational element is configured to optically interact with the production fluid proximate the fluid pump and is configured to generate optically interacted light. The at least one detector is arranged to receive the optically interacted light and to generate an output signal corresponding to a characteristic of the production fluid. | 12-04-2014 |
20140352954 | SYNCHRONIZING PULSES IN HETEROGENEOUS FRACTURING PLACEMENT - A technique facilitates a fracturing operation by maintaining the heterogeneity of proppant fluid as it is injected into reservoir fractures. The technique comprises using a blender to deliver proppant material in a pulsating manner to create pulses of proppant. The pulses of proppant are mixed with a fluid to create a proppant slurry having the pulses of proppant material separated by a second fluid. The proppant slurry is then split between a plurality of pumps which are operated to pump the slurry to a well. To maintain heterogeneity, the pump rates of the pumps are individually adjusted to control dispersion of the pulses of proppant downstream of the pumps and to substantially maintain the separated pulses of proppant material in the slurry. A wide variety of other system adjustments also may be made for enhancing the ability of the overall fracturing system to maintain separated pulses of concentrated proppant material. | 12-04-2014 |
20140352955 | DOWNHOLE INTEGRATED WELL MANAGEMENT SYSTEM - Components of a downhole integrated well management system, and its method of use, can be deployed through tubing, a liner, or casing in existing wells without the need to deploy new pipe or remove and re-install pipe in the well. The system can seal the flow of hydrocarbon fluid and re-direct it into the claimed internal flow control module which, in embodiments, comprises a mandrel comprising one or more ports providing fluid communication between the interior of the mandrel and the outside of the mandrel and corresponding controllable port covers and/or seals that are adapted to open, partially open, or fully close a corresponding port; a flow controller; one or more sensor modules adapted to monitor a predetermined set of activities in a well; one or more communications module; and one or more power electronic modules. A surface module may be present and adapted to generate and transmit commands to the flow control modules and receive information from them. | 12-04-2014 |
20150013973 | Pump Control For Auxiliary Fluid Movement - A method for routing a fluid within a flowline of a downhole tool is provided. In one embodiment, the method includes moving a piston within a chamber of a downhole tool to push a fluid out of the chamber and into a flowline. The method also includes using a pump in the downhole tool and in fluid communication with the flowline to route the fluid within the downhole tool via the flowline while moving the piston within the chamber. Additional systems, devices, and methods are also disclosed. | 01-15-2015 |
20150021019 | Downhole Fluid Flow Control System and Method Having Autonomous Closure - A fluid flow control system includes a flow control assembly having a fluid flow path for a flowing fluid. First and second flow control components are disposed in parallel in the fluid flow path, the first having a positive flowrate response to decreasing fluid viscosity and the second having a negative flowrate response to decreasing fluid viscosity. A valve is disposed in the fluid flow path in downstream series with the first and second flow control components. The valve has first and second inlet paths for fluid from the first and second flow control components, respectively, such that decreasing the fluid viscosity of the flowing fluid increases a ratio of the flowrate through the first control component to the flowrate through the second flow control component and such that when the ratio reaches a predetermined level, the valve autonomously shifts from an open position to a closed position. | 01-22-2015 |
20150027694 | HEATER PATTERN FOR IN SITU THERMAL PROCESSING OF A SUBSURFACE HYDROCARBON CONTAINING FORMATION - Embodiments of the present invention relate to heater patterns and related methods of producing hydrocarbon fluids from a subsurface hydrocarbon-containing formation (for example, an oil shale formation) where a heater cell may be divided into nested inner and outer zones. Production wells may be located within one or both zones. In the smaller inner zone, heaters may be arranged at a relatively high spatial density while in the larger surrounding outer zone, a heater spatial density may be significantly lower. Due to the higher heater density, a rate of temperature increase in the smaller inner zone of the subsurface exceeds that of the larger outer zone, and a rate of hydrocarbon fluid production ramps up faster in the inner zone than in the outer zone. In some embodiments, a ratio between a half-maximum sustained production time and a half-maximum rise time of a hydrocarbon fluid production function is relatively large. | 01-29-2015 |
20150041122 | Multi-Phase Flow Meter and Methods for Use Thereof - The present disclosure relates to a flow meter for measuring multi-phase flow and method of use. The flow meter comprises an impeller assembly having a one or more blades in an asymmetric blade configuration and one or more sensors to measure partial rotations of the blades. With this local velocity information, the operation of a system may be enhanced. | 02-12-2015 |
20150068739 | Wellbore Completion for Methane Hydrate Production with Real Time Feedback of Borehole Integrity Using Fiber Optic Cable - In producing methane a bottom hole assembly the borehole may enlarge due to shifting sands in an unconsolidated formation as the methane is produced. The enlargement of the borehole can be sensed in real time such as by using a fiber optic cable. In response to such information parts of the bottom hole assembly near the washout can be isolated or the bottom hole assembly in the vicinity of the washout can be fortified with inserts from the surface to minimize damage from erosion caused by higher velocities resulting from borehole washouts. | 03-12-2015 |
20150114631 | Monitoring Acid Stimulation Using High Resolution Distributed Temperature Sensing - A method, apparatus and computer-readable medium for stimulating a formation is disclosed. A stimulation operation is performed at a selected stimulation zone of the formation using a first value of stimulation parameter. A temperature measurement profile is obtained at the formation during the stimulation operation, wherein the obtained temperature measurement profile is indicative of a parameter related to the stimulation operation. The downhole parameter is determined using the obtained temperature measurements, and stimulation parameter is altered to a second value in real-time based on the determined parameter. | 04-30-2015 |
20150114632 | High-Speed, Multi-Power Submersible Pumps and Compressors - An apparatus, method and system for removing fluids from a well comprising a rotary pump for positioning within the well, the rotary pump including an inlet end and a discharge end, the rotary pump comprising at least one pump impeller intermediate the inlet end and discharge end, the at least one pump impeller rotating at a rate greater than 3600 rpm; a driver for driving the at least one pump impeller to a rate greater than 3600 rpm, the driver positioned within the wellbore and operatively connected to the rotary pump; a magnetic bearing system, the magnetic bearing system operatively connected to the rotary pump and/or driver; and a digital controller positioned within the wellbore to control the magnetic bearing system. A method for removing liquids from a well and an apparatus and method for producing gas from a wellbore or injecting a fluid into a wellbore are also provided. | 04-30-2015 |
20150136389 | PLUNGER LIFT OPTIMIZATION - A logic used to auto-adjust plunger lift system parameters to optimize oil and gas well production with minimal human interaction is described. The auto-adjustments place and maintain the well in an optimized state wherein the well has either a Minimum-OFF time (e.g., length of time just long enough for the plunger to reach the bottom of the well), or Minimum-ON time (e.g., flowing just long enough for the plunger to reach the surface) cycle. | 05-21-2015 |
20150337636 | TECHNIQUE FOR PRODUCTION ENHANCEMENT WITH DOWNHOLE MONITORING OF ARTIFICIALLY LIFTED WELLS - Techniques and apparatus are provided for production enhancement with downhole monitoring for an artificial lift system, such as a reciprocating rod lift system. In aspects, a method for controlling a rod pump used to produce fluids from a wellbore is provided. The method generally includes monitoring one or more downhole parameters in the wellbore and adjusting one or more pump parameters used to control the rod pump based, at least in part, on the monitored downhole parameters. | 11-26-2015 |
20160177666 | SYSTEM AND METHOD FOR CONTROLLING FLOW IN A WELL PRODUCTION SYSTEM | 06-23-2016 |
20160177683 | Hydraulic Oil Well Pumping System, and Method for Pumping Hydrocarbon Fluids From a Wellbore | 06-23-2016 |
20160194942 | SYSTEM AND METHOD FOR POWER MANAGEMENT OF PUMPING SYSTEM | 07-07-2016 |
20170234117 | Method of Controlling a Pump and Motor | 08-17-2017 |
20170234118 | DOWNHOLE SENSOR SYSTEM FOR STEAM BREAKTHROUGH DETECTION | 08-17-2017 |
20220136381 | FLUID PUMP SYSTEM FOR GROUNDWATER WELLS WITH INTELLIGENT CYCLE COUNT AND AIR SUPPLY VALVE MONITORING - The present disclosure relates to a pump system having a pneumatically actuated fluid pump, which makes use of standard cycle counter to assist in determining when an air supply control valve is stuck in an open state after a fluid discharge cycle has completed. The system includes an electronic controller which receives signals from the cycle counter. The signals indicate a position of a sensing element inside the cycle counter. The electronic controller uses the signals to determine if the sensing element is still experiencing a pressurized airflow after a fluid discharge cycle has completed and the air supply control valve has been commanded to close. | 05-05-2022 |