Entries |
Document | Title | Date |
20080316048 | SYSTEM AND METHOD FOR MONITORING A WELL - A well site data communication system is disclosed, the system including a receiver coupled to a first communication terminal that receives information using a first communication protocol; a transmitter coupled to the first communication terminal that sends information from the first communication terminal to a second communication terminal located at a well site using a second communication protocol; and a processor coupled to the first communication terminal configured as a protocol translator to change the received information from the first communication protocol to the second communication protocol. A method for well site communication is also disclosed. A data structure used by the system and method is also disclosed. | 12-25-2008 |
20080316049 | RFID Tag Tracer Method and Apparatus - A fluid can be tracked in a wellbore utilizing at least one RFID tag entrained in the fluid. An RFID tag reader can be disposed and/or displaced in the wellbore, for example, on a drill string or a casing string. A reader can be utilized to locate the at least one RFID tag in the wellbore. A reader can be housed in a drill string sub. A fluid entrained with at least one RFID tag can be utilized as a tracer fluid. An RFID tag can be entrained in cement or a drilling or fracture fluid. | 12-25-2008 |
20090021392 | Apparatus and method for providing communication between a probe and a sensor - A wireless data communication system for a down hole environment. The system includes a housing containing a sensor, positioned within a tubular, for collecting information and processing the information, a modulator for modulating the information from the sensor into an analog signal, and a sensor antenna electrically connected to the first modulator for generating a modulated electromagnetic wave. The system further includes a probe housing, concentrically disposed within the tubular, comprising a probe antenna for receiving the modulated electromagnetic wave and generating an output, and a demodulator for demodulating the electromagnetic wave received from the sensor to a digital record. A method of wirelessly communicating between a probe and a remote sensor is also disclosed. | 01-22-2009 |
20090045974 | Short Hop Wireless Telemetry for Completion Systems - A downhole wireless communication method and system is provided for a completed wellbore having a mother bore and two or more lateral branches, wherein at least one of the lateral branches is not electrically or hydraulically wet connected to the mother bore. The system includes an upper two-way, short hop, wireless telemetry module disposed within the mother bore and connected to a first power source, and two or more lower two-way, short hop, wireless telemetry modules disposed within the completed wellbore and connected to a second power source wherein at least one of the lower two-way, short hop wireless telemetry modules is disposed within each of the lateral branches. At least one sensor is adapted to measure downhole parameters and at least one flow control valve are communicably coupled to the upper two-way, short hop, wireless telemetry module or the lower two-way, short hop, wireless telemetry modules. | 02-19-2009 |
20090115625 | MWD data transmission - An MWD data transmission system and method for determining and transmitting the environmental properties of the downhole borehole assembly (BHA) to surface data receivers via mud pulse telemetry, EM telemetry, or both mud pulse telemetry and EM telemetry based on one or more determined properties of the downhole environment. | 05-07-2009 |
20090153355 | Electric field communication for short range data transmission in a borehole - The present invention concerns application of a unique conductive electrode geometry used to form an efficient wideband, one- or two-way wireless data link between autonomous systems separated by some distance along a bore hole drill string. One objective is the establishment of an efficient, high bandwidth communication link between such separated systems, using a unique electrode configuration that also aids in maintaining a physically robust drill string. Insulated or floating electrodes of various selected geometries provide a means for sustaining or maintaining a modulated electric potential adapted for injecting modulated electrical current into the surrounding sub-surface medium. Such modulated current conveys information to the systems located along the drill string by establishing a potential across a receiving insulated or floating electrode. | 06-18-2009 |
20090322553 | ELECTROMAGNETIC WELLBORE TELEMETRY SYSTEM FOR TUBULAR STRINGS - A coaxial transmission line for an electromagnetic wellbore telemetry system is disclosed. An inner conductive pipe is disposed inside an axial bore of the outer conductive pipe. An insulator is positioned between the outer conductive pipe and the inner conductive pipe. In a specific embodiment, the inner conductive pipe is perforated or slotted. | 12-31-2009 |
20100013664 | METHOD AND APPARATUS FOR DETERMINING POSITION IN A PIPE - A method and apparatus for determining position in a pipe provides for the precise determination of location and associated characteristics of each pipe joint of a well, cross country pipeline or other fluid transmission line. The system includes a passive or active radio identification device at each joint in the pipe or casing string. The devices are preferably sealed within the resilient seal positioned between each pipe or casing joint. A pipeline tool includes a radio transmitter and receiver, with the transmitter transmitting on a frequency selected for resonating the identification devices. The resonant response of each device is detected by a receiver in the pipeline tool, with the response transmitted to the surface via the wireline to which the tool is connected. Alternatively, the tool may include storage information means until the tool can be recovered from the well or pipe. An information storage and retrieval system includes information on the location of each of the identification devices in the well or pipe, e.g., length or depth, pipe or casing diameter, previously logged geological characteristics and stratum at each identification device location, etc. The system may count each device as the tool passes through the pipe in order to determine the location of the tool at any point. Alternatively, each identification device may provide a distinct signal, with the tool transmitting the signal to the surface (or storing the signal for later retrieval) where the system correlates the signal with previously logged information for that specific location. | 01-21-2010 |
20100117855 | AZIMUTHALLY SENSITIVE RESISTIVITY LOGGING TOOL - Various systems and methods for implementing an azimuthally sensitive resistivity logging tool are disclosed. One such method involves transmitting a primary magnetic field from one or more coils placed on a drill collar and receiving several electrical signals, where each of the electrical signals is received from a respective one of several sensors. The sensors are distributed around a circumference of a drill collar, and an axis of at least one of the sensors is perpendicular to an axis of the drill collar. Each of the electrical signals indicates a respective magnitude of a measurement of a reflected magnetic field, where the reflected magnetic field is reflected from an anomalous geological formation. The method calculates a vector measurement of the reflected magnetic field, based upon the electrical signals. | 05-13-2010 |
20100214121 | SYNCHRONIZED TELEMETRY FROM A ROTATING ELEMENT - A top drive assembly may comprise a drive motor that provides rotational torque to a drill string for driving the drill string into the earth. A sensor and a transmitter may be located on a section of the drill string or on a device that can be incorporated into a drill string. The sensor may take measurements of the drill string that is rotating during the drilling operation. If the sensor is located near the top drive assembly, the sensor may take measurements of an upper portion of the rotating drill string during the drilling operation. The transmitter may wirelessly transmit the sensor information in real-time to a coordinator or main radio. The transmitter may also be located near the top drive assembly and during the drilling operation, may transmit from the rotating drill string while located in a position above the earth's surface. | 08-26-2010 |
20100219980 | METHOD AND SYSTEM FOR PERFORMING OPERATIONS AND FOR IMPROVING PRODUCTION IN WELLS - A method for performing operations and for improving production in a well includes the steps of: providing radio identification devices at known locations in the well, and providing a reader device configured to read the identification devices, and to control the operations responsive to signals from the identification devices. The method also includes the steps of providing a process tool, and transporting the process tool and the reader device through the well. The reader device is programmed to control the process tool upon reception of a response signal from a selected identification device. The method can be used to perform perforating processes, packer setting processes, bridge plug setting processes, logging processes, inspection processes, chemical treating processes, and cleaning processes. In addition, the method can be performed dynamically by controlling the tool as it moves through the well, or statically by stopping the tool at a particular location within the well. A system for performing the method includes the identification devices, the reader device, the process tool, and a computer or controller. In addition the identification devices can be placed in casing collars of the well and can be configured as passive devices or as active devices. | 09-02-2010 |
20100253537 | Advanced Steering Tool System, Method and Apparatus - A steering tool is movable by a drill string to form an underground bore along an intended path. A sensing arrangement of the steering tool detects its pitch and yaw orientations at a series of spaced apart positions along the bore, each position is characterized by a measured extension of the drill string. The steering tool further includes a receiver. At least one marker is positioned proximate to the intended path, for transmitting a rotating dipole field to expose a portion of the intended path to the field for reception by the receiver. The detected pitch orientation, the detected yaw orientation and the measured extension of the drill string are used in conjunction with magnetic information from the receiver to locate the steering tool. The steering tool may automatically use the magnetic information when it is available. A customized overall position determination accuracy can be provided along the intended path. | 10-07-2010 |
20110169656 | Surface Communication Device and Method for Downhole Tool - A device for communicating with a downhole measurement tool includes a processor module comprising a set of commands and configured to issue a command from the set to the downhole tool and receive a corresponding reply from the downhole tool. The set of commands includes at least one of a command to switch the downhole measurement tool between a sleep mode and an active mode and a command to download data from the downhole measurement tool. The device includes a transceiver module coupled to the processor module and an antenna coupled to the transceiver module. The antenna and transceiver module are configured to transmit commands and replies between the processor module and the downhole measurement tool. | 07-14-2011 |
20110169657 | Low Frequency Inductive Tagging for Lifecycle Managment - A lifecycle management system for detection and tracking of drillpipes which carry low radio frequency tags that comprise an inductive antenna and transceiver operable at a first radio frequency below 1 megahertz, a transceiver operatively connected to that antenna, an ID data storage device, a microprocessor for handling data from the transceiver and data store, and a tag energization inductive antenna which can receive radio frequency energy from an ambient radio frequency field of a second low radio frequency. The system includes a field communication inductive antenna disposed, preferably at a distance of several feet from each object, that permits effective communication therewith at the aforesaid first radio frequency, a data receiver, transmitter and reader data processor in operative communication with the field communication inductive antenna, and a field energization inductive antenna which can produce the ambient radio frequency field at the tag energization inductive antenna. | 07-14-2011 |
20110254695 | TAPERED THREAD EM GAP SUB SELF-ALIGNING MEANS AND METHOD - A generally three-part EM gap sub comprising a first conductive cylinder incorporating a male tapered threaded section, a second conductive cylinder incorporating female tapered threaded section, both axially aligned and threaded into each other is described. One or both tapers incorporate slots whereby non-conductive inserts may be placed before assembly of the cylinders. The inserts are designed to cause the thread roots, crests and sides of the tapered sections of both cylinders to be spatially separated. The cylinders can be significantly torqued, one into the other, while maintaining an annular separation and therefore electrical separation as part of the assembly procedure. The co-joined coaxial cylinders can be placed into an injection moulding machine wherein a high performance thermoplastic is injected into the annular space, thereby forming both an insulative gap (the third part) and a strong joint between the cylinders in the newly created EM gap sub. | 10-20-2011 |
20110304474 | Compact Wireless Transceiver - A communication device for an electromagnetic telemetry system for use in a well is adapted to be attached to a conductive pipe of the well and includes at least one transmitter unit for emitting a modulated electrical current in the pipe and at least one receiver unit for receiving the modulated electrical current transmitted in the pipe, the transmitter unit and the receiver unit each comprising an antenna with a magnetic core and a winding around the magnetic core, wherein the antenna is oriented such that the magnetic moment of the winding is tangential to the cross-section of the pipe for respectively emitting and receiving the modulated electrical current. | 12-15-2011 |
20110309949 | Electromagnetic Telemetry Assembly With Protected Antenna - Oilfield drilling utilizes downhole data transmitted to surface for formation evaluation and steering of directional wellbores. A leading technology in providing subsurface to surface communication is Electro-Magnetic (EM) Telemetry. This technology is typically employed with a downhole antenna concentric with the bore of an electrically insulating “gap sub” portion of the system. The antenna blocks the bore from further use to conduct other sensors or equipment through. One aspect of the invention is to integrate the antenna into the structure of the gap sub, thereby clearing the bore for conducting other tools through, and also protecting the antenna from the harsh drilling environment, including abrasion, erosion, shock, and vibration. Another aspect of this invention enables the antenna to serve a secondary function as an anti-rotation feature between the two halves of the gap sub. | 12-22-2011 |
20120026002 | System and Method for Remote Well Monitoring - A system for remote monitoring of a wellsite operation comprises a sensor disposed at a wellsite to measure a parameter of interest. An information handling system in data communication with the sensor acts according to programmed instructions to generate a predetermined screenshot related to the parameter of interest. A radio frequency transceiver is in data communication with the information handling system to transmit the predetermined screenshot. A personal mobile device comprises a radio frequency transceiver and a display wherein the personal mobile device receives and displays the transmitted predetermined screenshot on the personal mobile device display. | 02-02-2012 |
20120056751 | METHOD AND SYSTEM FOR INTEGRATING SENSORS ON AN AUTONOMOUS MINING DRILLING RIG - An autonomous drilling rig ( | 03-08-2012 |
20120075113 | METHOD AND APPARATUS FOR AUTOMATIC DOWN-HOLE ASSET MONITORING - A method and apparatus for automatic down-hole asset monitoring is provided that monitors tagged down-hole assets wherein the assets travel into and out of an oil or gas well. A rig reader system, a controller and a computer incorporating a graphic user interface are connected to monitor tagged assets moving into and out of a drill head. The rig reader portion may be a ring shaped device having therein an integrated antenna array and radio frequency identification interrogators that interrogate an SAW or RFID tag as it moves through the ring shaped device. The integrated antenna array may include evenly distributed antennas about an interior surface of the ring shaped device that are covered by a radome that seals the antenna array and interrogators against contamination from caustic chemicals and other substances found on or around an oil rig platform. The ring shaped rig reader may be mounted directly below or above a rotary table or a rig's floor or be between a well head of an oil and gas well and the rig floor. The rig reader of an exemplary rig reader system is adapted to withstand a wide temperature range, caustic chemicals, shock and vibration and other elements commonly present on and about an oil or gas rig. | 03-29-2012 |
20120075114 | MONITORING SYSTEM FOR SUCKER ROD - An intelligent monitoring system for a sucker rod including a monitor center, a remote wireless communication equipment communicating with the monitor center and connected with a movement detection and storage equipment of the sucker rod, a radio frequency reader/writer, and a radio frequency storage chip. The movement detection and storage equipment of the sucker rod is connected with the radio frequency reader/writer. The radio frequency storage chip is disposed on the sucker rod to store the information of the sucker rod. The monitoring system can detect and record reciprocating or circumvolving movement of the sucker rod as well as the motion state of the sucker rod in an oil well. | 03-29-2012 |
20120086580 | Intelligent Universal Wireless Adapter - A system for communication in an oil and gas well, the system including a controller, a first universal wireless adapter (UWA) wirelessly coupled to the controller, where the UWA is coupled to a first field device, a second UWA wirelessly coupled to the controller, where the UWA is coupled to a second field device, where the controller passes a control token among the first and second UWAs based upon communication traffic between the first and second UWA and the first and second field devices respectively. In some embodiments, this control token may be passed between the first and second UWAs depending upon communications between the respective UWAs and their field devices. For example, in the event that communication traffic is greater between the first UWA and the first field device, then the control token is passed to the first UWA. | 04-12-2012 |
20120112924 | Systems and Methods for Providing a Wireless Power Provision and/or an Actuation of a Downhole Component - Systems and methods provide wireless power and actuation of a downhole component within a borehole formed in a formation. The systems and method have a first downhole component positioned within the borehole and connected to and/or in communication with a power source. A wireless transmitter is electrically connected to the first component and is adapted to wirelessly transmit electrical power. A second downhole component is in communication with the wireless transmitter to receive the electrical power from the wireless transmitter. The second component is actuated upon receiving the electrical power to perform a task related to the borehole or formation about the borehole. | 05-10-2012 |
20120133526 | SYSTEMS AND METHODS FOR USING WIRELESS TAGS WITH DOWNHOLE EQUIPMENT - Techniques for wirelessly transferring information to and/or from a drill string component are disclosed herein. In one embodiment, a downhole system includes a drill string component and a tag interrogating device. The drill string component includes a tag configured for wireless communication. The tag interrogating device is configured to traverse the interior of the drill string and wirelessly communicate with the tag. | 05-31-2012 |
20120176251 | DRILLING ACTIVITY LOGGING DEVICE, SYSTEM AND METHOD - A drilling log data logger | 07-12-2012 |
20120249338 | WIRELESS NETWORK DISCOVERY AND PATH OPTIMIZATION ALGORITHM AND SYSTEM - A wireless modem for communication in a network of wireless modems via a communication channel includes a transceiver assembly, transceiver electronics and a power supply. The transceiver electronics include transmitter electronics, receiver electronics and at least one processing unit. The transmitter electronics cause the transceiver assembly to send wireless signals into the communication channel. The receiver electronics decode signals received by the transceiver assembly. The at least one processing unit executes instructions to (1) enable the transmitter electronics to transmit the wireless signals into the communication channel to at least two wireless modems in a first direction away from the transceiver assembly, (2) receive a signal from at least one of the wireless modems, (3) assign a quality parameter to the signals received from the other wireless modems, and (4) select one of the wireless modems to communicate with based on an examination of the quality parameters with at least one predetermined criterion. The power supply supplies power to the transceiver assembly and the transceiver electronics. | 10-04-2012 |
20120299743 | Electric Field Communication for Short Range Data Transmission in a Borehole - The present invention concerns application of a unique conductive electrode geometry used to form an efficient wideband, one- or two-way wireless data link between autonomous systems separated by some distance along a bore hole drill string. One objective is the establishment of an efficient, high bandwidth communication link between such separated systems, using a unique electrode configuration that also aids in maintaining a physically robust drill string. Insulated or floating electrodes of various selected geometries provide a means for sustaining or maintaining a modulated electric potential adapted for injecting modulated electrical current into the surrounding sub-surface medium. Such modulated current conveys information to the systems located along the drill string by establishing a potential across a receiving insulated or floating electrode. | 11-29-2012 |
20120313790 | DOWNHOLE APPARATUS - An apparatus ( | 12-13-2012 |
20130063277 | SYSTEM AND METHOD FOR MANAGING USE OF A DOWNHOLE ASSET - A system and method for managing use of a downhole asset. In one embodiment, a system includes a rig interface, a tag reader, and FIG. | 03-14-2013 |
20130106615 | HIGH-SPEED DOWNHOLE SENSOR AND TELEMETRY NETWORK | 05-02-2013 |
20130154846 | APPARATUS, METHOD AND SYSTEM FOR MAPPING FRACTURE FEATURES IN HYDRAULICALLY FRACTURED STRATA USING FUNCTIONAL PROPPANT PROPERTIES - System and method for deploying multiple antennas in an array configuration with unobstructed electromagnetic access to a formation outside of a casing, sequencing the transmitted signal to control the direction of transmission into the formation, receiving the reflected signals, and locating the position of the reflection based on the scanned transmission signal orientation and the direction of the received signal. Such a deployment of an antenna array with unobstructed electromagnetic access to the formation outside of the casing, sequencing of the interrogation signal, and analysis of the received signal relative to the transmitted signal direction form the basis for reflection image rendering as the transmitted signal is scanned by a sequenced stimulus signal. | 06-20-2013 |
20130176140 | Enhanced Transmitter and Method for a Nuclear Magnetic Resonance Logging Tool - An enhanced radio frequency transmitter suitable for use in a nuclear magnetic resonance logging tool, may employ a power amplifier that comprises two pairs of switching amplifiers and a summation stage. The first pair of switching amplifiers together generate a first pair of pulse sequences having an adjustable phase difference, while the second pair of switching amplifiers generate a second pair of pulse sequences, each pulse sequence in the second pair being provided a fixed phase offset from a respective pulse sequence in the first pair. The summation stage forms a combined signal from the pulse sequences in both said first and second pairs. The fixed phase offset operates to at least partly cancel a higher harmonic of the pulse sequences from the combined signal, thereby reducing energy losses downstream from the transmitter. | 07-11-2013 |
20130181844 | INSTRUMENTED ROD ROTATOR - Methods and apparatus are provided for monitoring the rotation of a member in a reciprocating rod lift system. In this manner, rod and tubing wear of the system may be minimized. | 07-18-2013 |
20130241742 | Data Retrieval Device for Downhole to Surface Telemetry Systems - A data retrieval device for communicating between a downhole location within a wellbore ( | 09-19-2013 |
20130257628 | SYSTEM AND METHOD FOR MEASUREMENT INCORPORATING A CRYSTAL RESONATOR - A system, method and device for interrogating a downhole environment in a borehole beneath a surface includes a source of electromagnetic energy, operable to transmit an electromagnetic signal in the borehole, a sensor module, including a passive resonating circuit including a crystal oscillator having a resonant frequency that varies with changes in the condition in the downhole environment to reflect the electromagnetic signal and to modulate the electromagnetic signal in response to a condition in the downhole environment in the borehole and a detector positionable to receive the reflected modulated electromagnetic signal. Embodiments include a power monitor and circuitry configured and arranged to measure an input frequency at a time when an inflection in the applied power is observed. | 10-03-2013 |
20130257629 | WIRELESS COMMUNICATION BETWEEN TOOLS - The present invention relates to a downhole tool system for being submerged into a casing, comprising at least three tools having a tool axis. Furthermore, the present invention relates to a downhole tool system for being submerged into a casing, comprising at least three tools, and finally the invention relates to communication methods for communicating wirelessly between a first and a third tool separated by a second tool. | 10-03-2013 |
20130285829 | RUGGED RFID TAGS - A rugged UHF RFID tag comprising a UHF RFID tag, an overmolded cap, and a base, wherein the UHF RFID tag is secured to a top portion of the base and wherein the overmolded cap encapsulates the UHF RFID tag and the top portion of the base and associated methods. | 10-31-2013 |
20130293387 | Well Fluid Leak Detection and Response Systems - Embodiments of the inventive technology may provide a leaked fluid detection and response system in one aspect, and in another aspect, an environmental enclosure for at least a component of such leaked fluid detection system. Various embodiments of the leaked fluid detection and response system may provide wireless communication of detected leaks and a PLC that automates response and provides information regarding the presence of a leak. Enclosures may, in various embodiments, comprehensively surround enclosed components, thermally insulate enclosed components, include a leaked fluid capture basin, be aerodynamically streamlined, and/or be vermin-tight. | 11-07-2013 |
20130300571 | INTERROGATION OF ACTIVE AND PASSIVE PROPPANTS FOR REAL-TIME MONITORING OF FRACTURED WELLS - A variety of resonant tags are disclosed that are sized to be approximately the same size as proppants. The resonant tags have a resonant frequency that changes in response to pressure and temperature changes. | 11-14-2013 |
20130328693 | Monitoring of Wells to Detect the Composition of Matter in Boreholes and Propped Fractures - There is provided a system and method for monitoring of fractured wells and conventional wells to detect leaks. The method comprises interrogating a plurality of resonant tags using a modulated RF signal transmitted from an interrogator, wherein the plurality of resonant tags are dispersed within a channel. | 12-12-2013 |
20130342354 | SYSTEM AND METHOD FOR DOWNHOLE TELMETRY - A system and method are provided for providing electromagnetic (EM) measurement-while-drilling (MWD) telemetry capabilities using an existing mud-pulse MWD tool. An EM tool intercepts the output from the mud-pulse tool and generates an EM signal that mimics a mud-pulse pressure signal. The EM signal is intercepted at the surface by a receiver module that conditions the signal and inputs the signal into the existing pulse tool receiver. Since the EM signal mimics a mud-pulse signal, the pulse tool receiver does not require software or hardware modifications in order to process an EM telemetry mode. The EM tool can be adapted to also provide dual telemetry by incorporating a conventional pressure pulser that would normally be used with the pulse tool. | 12-26-2013 |
20140104074 | METHOD AND APPARATUS FOR CONTROLLING OIL WELL DRILL SITE SYSTEMS - A control system for a well site, the well site includes connectable elements configured for inserting down a well. An explosion hazard zone surrounds the well site. A first electronics enclosure is remote from the explosion hazard zone and houses a first electronics module. A remote electronics control module is spaced apart from the first electronics housing and a remote hydraulics module removed from the first electronics module and the hazard zone module. The control system includes a human machine interface including a display and input. A central communications module is in wireless communication with the first electronics control module, the remote electronics module, and a remote location. A processor is in one or more of the first electronics module, the communications module or the human machine interface. | 04-17-2014 |
20140111347 | SYSTEMS AND METHODS FOR COLLECTING ONE OR MORE MEASURMENTS AND/OR SAMPLES - A system and method collects one or more measurements within a borehole formed in a subsurface reservoir. The system and method provides a first downhole component having an expandable element and a first port formed in a layer of the expandable element. A wireless transceiver is connected to the first downhole component, wherein the wireless transceiver is adapted to transmit one or more wireless signals within the borehole. A first wireless sensor located at the first port and remotely with respect to the wireless transceiver, wherein the first wireless sensor is configure to receive the one or more wireless signals and collect at least one measurement within the borehole or perform at least one task related to the borehole or subsurface reservoir about the borehole. | 04-24-2014 |
20140118156 | SYSTEM AND METHOD FOR USING A PASSIVE WIRELESS TAG - A system and method for communicating with a passive wireless tag. In one embodiment, a device for powering a passive wireless tag includes a power source, a first antenna, and a controller. The controller is configured to detect a wireless signal transmission directed to the passive wireless tag. The controller is further configured to transmit power extracted from the power source, via the first antenna, to the passive wireless tag, responsive to detection of the wireless signal transmission. The transmitted power is to be used to power the passive wireless tag. | 05-01-2014 |
20140118157 | Communication Using a Spacer Fluid - Disclosed are systems and methods for transmitting commands from a surface to downhole electronic equipment using pills of a spacer fluid. One method of communicating down a wellbore may include providing a flow of a first fluid along a flow path, introducing a series of one or more pills of a second fluid into the flow of the first fluid at a first point along the flow path, and detecting the series of one or more pills of the second fluid at a second point along the flow path, the second point being separated from the first point. In certain embodiments, a series of brine pills may be introduced into a flow of a drilling fluid. | 05-01-2014 |
20140145857 | Electromagnetic Telemetry Apparatus and Methods for Use in Wellbore Applications - In one aspect, an apparatus for use in a wellbore is disclosed that may include a transmitter placed on an electrically-conductive member at a first location in the wellbore configured to induce electromagnetic waves that travel along an outside of the conduit and a receiver placed on the electrically-conductive member at a second distal location in the wellbore configured to detect the electromagnetic waves induced by the transmitter. | 05-29-2014 |
20140210634 | Down Hole Wireless Data and Power Transmission System - This present invention generally relates to the issue of signal obstruction in down hole applications. This invention relates to conformal coatings and down hole transmission systems to aid in transmission of wireless signals down hole. The conformal coating includes a substrate material that has an array of rods embedded therein. These embedded rods are made of a Mie Resonance based dielectric material. | 07-31-2014 |
20140240140 | DOWNHOLE ELECTROMAGNETIC AND MUD PULSE TELEMETRY APPARATUS - A measurement-while-drilling (MWD) telemetry system comprises a downhole MWD telemetry tool comprising a mud pulse (MP) telemetry unit and an electromagnetic (EM) telemetry unit. The MWD telemetry tool can be configured to transmit data in an EM-only telemetry mode using only the EM telemetry unit, in an MP-only mode using only the MP telemetry unit, or in a concurrent telemetry mode using both the EM and MP telemetry units concurrently. When transmitting data in the concurrent telemetry mode, the telemetry tool can be configured to transmit in a concurrent confirmation mode wherein the same telemetry data is transmitted by each of the EM and MP telemetry units, or in a concurrent shared mode wherein some of the telemetry data is transmitted by the EM telemetry unit, and the rest of the telemetry data is transmitted by the MP telemetry unit. The telemetry tool can be programmed to change its operating telemetry mode in response to a downlink command sent by an operator at surface. | 08-28-2014 |
20140240141 | DOWNHOLE TELEMETRY - A telemetry system with a plurality of controllers and telemetry systems, where the controllers are configured to obtain information from one or more sensors and transmit that information on one or more of the plurality of telemetry systems. The configuration of a controller may be changed so as to change which information is transmitted on a given telemetry system. | 08-28-2014 |
20140247133 | System and Method for Downhole Telemetry - A system and method are provided for providing electromagnetic (EM) measurement-while-drilling (MWD) telemetry capabilities using an existing mud-pulse MWD tool. An EM tool intercepts the output from the mud-pulse tool and generates an EM signal that mimics a mud-pulse pressure signal. The EM signal is intercepted at the surface by a receiver module that conditions the signal and inputs the signal into the existing pulse tool receiver. Since the EM signal mimics a mud-pulse signal, the pulse tool receiver does not require software or hardware modifications in order to process an EM telemetry mode. The EM tool can be adapted to also provide dual telemetry by incorporating a conventional pressure pulser that would normally be used with the pulse tool. | 09-04-2014 |
20140253341 | METHOD AND APPARATUS FOR COMMUNICATION OF WELLBORE DATA, INCLUDING VISUAL IMAGES - A wireless communication assembly permits convenient and effective communication between down hole logging and/or data storage tools conveyed via non-conductive wireline and surface equipment, including while such tools are situated within a lubricator, wellhead or other surface equipment. Data acquired by a down hole logging or data storage tool is transmitted to a wireline-conveyed communication assembly, and then wirelessly transmitted to a surface data communication assembly. Thereafter, such data can then be acquired, displayed and/or downloaded via an external data port on said surface data communication assembly using a wired or wireless connection. | 09-11-2014 |
20140266771 | DIRECTIONAL DRILLING COMMUNICATION PROTOCOLS, APPARATUS AND METHODS - A transmitter is carried proximate to an inground tool for sensing a plurality of operational parameters relating to the inground tool. The transmitter customizes a data signal to characterize one or more of the operational parameters for transmission from the inground tool based on the operational status of the inground tool. A receiver receives the data signal and recovers the operational parameters. Advanced data protocols are described. Pitch averaging and enhancement of dynamic pitch range for accelerometer readings are described based on monitoring mechanical shock and vibration of the inground tool. | 09-18-2014 |
20140327552 | Surface Communication System for Communication with Downhole Wireless Modem Prior to Deployment - An apparatus is made of a surface communication system for communicating wirelessly with a first wireless modem ( | 11-06-2014 |
20150009040 | Adaptive Method for High Data Rate Communication In Wells - Apparatus for downhole transmission and reception of data in an oil or gas well comprises a downhole signal transceiver adapted to receive data from a signal generator and transmit the signal through the well and an elongate member with an axis, located in the wellbore; wherein the signal is transmitted by the transceiver, predominantly axially along the elongate member. | 01-08-2015 |
20150061885 | WIRED PIPE SURFACE SUB - A sub for a wired pipe system that includes a body includes an outer surface and a pin end and a first transmission device located in or near the pin end. The sub also includes a communication collar that at least partially surrounds the outer surface and that is rotatable relative to the body, a second transmission device in electrical communication with the first transmission device and a transmission line that electrically connects the first and second communication devices and that passes at least partially through the body. The sub further includes a third transmission device located in the communication collar in communication with the second transmission device. In the disclosed sub, the first, second and third transmission devices are all of the same type. | 03-05-2015 |
20150102938 | Downhole Short Wavelength Radio Telemetry System for Intervention Applications - A telemetry system and method of downhole communication is disclosed. A first electromagnetic signal propagates through a first annular region between a work string and a wellbore wall and is received at an electromagnetic receiver of a repeater. A second electromagnetic signal related to the received first electromagnetic signal is created at a processing unit coupled to the electromagnetic receiver. The second electromagnetic signal is transmitted from a transmitter of the repeater into a second annular region between the work string and the wellbore wall. The repeater may be detachably coupled to the work string and may facilitate communication between a first communication device at one of an uphole location and a downhole location and a second communication device at another of the uphole location and the downhole location. | 04-16-2015 |
20150123808 | ELETRIC SUBSURFACE SAFETY VALVE WITH INTEGRATED COMMUNICATIONS SYSTEM - Certain aspects and features are directed to an electric subsurface safety valve including an integrated communications system that can be disposed in a wellbore. The electric subsurface safety valve can include a body adapted to be coupled to a cable, a communications system disposed in the body, and a closure mechanism. The body can be disposed within the wellbore. The communications system can include one or more transceiving devices and a processing device. The transceiving devices can communicate signals via the cable to a rig at the surface and can wirelessly communicate signals to target tool in the well system. The processing device can process signals received by the one or more transceiving devices for communication via the cable. The closure mechanism can be positioned in a passageway defined by the wellbore and can control a flow of fluid to through the passageway. | 05-07-2015 |
20150145688 | Pipeline Sensor System and Method - A sensor system and method for sensing conditions of a pipeline is disclosed. The system includes a plurality of sensors that sense a condition of the pipeline, generate a signal indicative of the condition, and communicate the signal. A pipeline device navigates the pipeline receives the signal, stores a value corresponding to the condition, and selectively communicates value. | 05-28-2015 |
20150315905 | METHOD AND APPARATUS FOR MULTI-CHANNEL DOWNHOLE ELECTROMAGNETIC TELEMETRY - An electromagnetic (EM) telemetry method comprises encoding downhole data into a single data stream; separating the single data stream into a plurality of separate data streams; converting each separate data stream into a corresponding separate waveform using a selected digital modulation technique wherein at least one of the frequency and phase of each waveform is assigned a unique value or unique non-overlapping range of values; combining each separate waveform into a combined waveform; and transmitting from a downhole location, an electromagnetic (EM) telemetry carrier wave comprising the combined waveform. | 11-05-2015 |
20150354348 | DOWNHOLE COMMUNICATIONS ARRANGEMENT AND DOWNHOLE SYSTEM - A downhole communications arrangement including one or more electromagnetic (EM) devices; and a shield disposed relative to the one or more devices. The shield preventing or reducing passage of one or more EM frequencies and being alterable by one or more selected conditions to allow passage of the one or more frequencies. A method for communicating in a downhole environment. | 12-10-2015 |
20150361787 | WIRELESS COMMUNICATION AND TELEMETRY FOR COMPLETIONS - Wireless communication and electromagnetic telemetry between various surface or downhole devices may be provided using two or more dipole antennas. The dipole antennas may be formed, for example, by electrically isolating, for each electric dipole antenna, two electrically conductive portions. The two electrically conductive portions are part of a downhole casing, a downhole liner, a completion, a production tube, or a downhole tool. The two or more electric dipole antennas are disposed in different sections of a completed well, in one or more lateral wells, in different completed wells, or in any combination of those. An electromagnetic signal is transmitting from at least one of the two or more dipole antennas and received at any other of the two or more dipole antennas, thereby providing telemetry or wireless communication between the dipole antennas of the petrophysical devices. | 12-17-2015 |
20160003035 | INTEGRATED DOWNHOLE SYSTEM WITH PLURAL TELEMETRY SUBSYSTEMS - A downhole system has a plurality of telemetry systems and a control system configured to obtain information from one or more sensors and transmit that information on one or more of the plurality of telemetry systems. The configuration of a controller may be changed so as to change which information is transmitted on a given telemetry system and how the information is to be transmitted on the given telemetry system. | 01-07-2016 |
20160010447 | Master Communication Tool for Distributed Network of Wireless Communication Devices | 01-14-2016 |
20160047234 | METHOD AND SYSTEM FOR TRANSMITTING A DATA FRAME OF AN ELECTROMAGNETIC TELEMETRY SIGNAL TO OR FROM A DOWNHOLE LOCATION - Methods, techniques, and systems for transmitting a data frame of an electromagnetic (EM) telemetry signal to or from a downhole location can be performed using multi-channel transmissions in which at least two different channels at two different frequencies are used to send a long header and the data frame. At least a portion of the long header is transmitted at a first frequency, and at least a portion of the data frame and any remaining portion of the long header not transmitted at the first frequency are transmitted at one or more additional frequencies different from each other and the first frequency. In one example, only two channels are used: one channel is used to transmit all of the long header, another channel is used to transmit all of the data frame, and either of the channels is used to transmit an identifier identifying the type of the data frame. | 02-18-2016 |
20160053610 | ELECTROMAGNETIC COMMUNICATIONS SYSTEM AND METHOD FOR A DRILLING OPERATION - A wireless communications system for a downhole drilling operation comprises surface communications equipment and a downhole telemetry tool. The surface communications equipment comprises a surface EM communications module with an EM downlink transmitter configured to transmit an EM downlink transmission at a frequency between 0.01 Hz and 0.1 Hz. The downhole telemetry tool is mountable to a drill string and has a downhole electromagnetic (EM) communications unit with an EM downlink receiver configured to receive the EM downlink transmission. The downhole EM communications unit can further comprise an EM uplink transmitter configured to transmit an EM uplink transmission at a frequency greater than 0.5 Hz, in which case the surface EM communications module further comprises an EM uplink receiver configured to receive the | 02-25-2016 |
20160076360 | HORIZONTAL DIRECTIONAL DRILLING AREA NETWORK AND METHODS - A drilling area network hub is located proximate to a drill rig and includes an uphole transceiver in bidirectional communication with a downhole transceiver by utilizing the drill string as an electrical conductor. Certain information is collected including rig-based and/or location information. At least one field report is generated based on the certain information to characterize at least one of an inground operation, an operational condition of the downhole transceiver, an operational condition of the uphole transceiver, and an operational condition of the drill rig. A drilling area network server receives the field report from the Internet at a remote location and can generate a custom report and/or recommended actions based on field data. Region specific parameters can be applied to the operation of a drilling system. The drilling area network hub can transfer data logs to the remote location according to assigned priorities. | 03-17-2016 |
20160076365 | METHOD AND SYSTEM FOR TRANSMITTING A DATA FRAME OF AN ELECTROMAGNETIC TELEMETRY SIGNAL TO OR FROM A DOWNHOLE LOCATION - Methods, techniques, and systems for transmitting a data frame of an electromagnetic (EM) telemetry signal to or from a downhole location can be performed using multi-channel transmissions in which at least two different channels at two different frequencies are used to send a long header and the data frame. At least a portion of the long header is transmitted at a first frequency, and at least a portion of the data frame and any remaining portion of the long header not transmitted at the first frequency are transmitted at one or more additional frequencies different from each other and the first frequency. In one example, only two channels are used: one channel is used to transmit all of the long header, another channel is used to transmit all of the data frame, and either of the channels is used to transmit an identifier identifying the type of the data frame. | 03-17-2016 |
20160076366 | MONITORING OF WELLS TO DETECT THE COMPOSITION OF MATTER IN BOREHOLES AND PROPPED FRACTURES - There is provided a system and method for monitoring of fractured wells and conventional wells to detect leaks. The method comprises interrogating a plurality of resonant tags using a modulated RF signal transmitted from an interrogator, wherein the plurality of resonant tags are dispersed within a channel. | 03-17-2016 |
20160084982 | PIPE AND BOREHOLE IMAGING TOOL WITH MULTI-COMPONENT CONFORMABLE SENSORS - An example downhole tool incorporating aspects of the present disclosure may include a tool body and a first flexible material coupled to the tool body. A transmitter may be coupled to the first flexible material. A receiver may coupled to the first flexible material, with the receiver having at least two antenna windings positioned in different orientations. A control unit may be communicably coupled to the transmitter and the receiver, the control unit having a processor and a memory device coupled to the processor, the memory device containing a set of instruction that, when executed by the processor, cause the processor to generate an electromagnetic signal in a downhole element using the transmitter, and measure a response of the downhole element to the electromagnetic signal using the at least two antenna windings of the receiver. | 03-24-2016 |
20160145999 | DOWNHOLE COMMUNICATION - A system or apparatus for use in downhole communication or detection comprises a downhole arrangement defining a throughbore and primary and secondary elements. One of the primary and secondary elements is provided on the downhole arrangement and the other of the primary and secondary elements is provided in the throughbore. The primary and secondary elements are configurable for coupling of an electromagnetic field therebetween. The primary or secondary element which is provided in the throughbore may be provided on a tool such as a shifting tool which is deployable through the throughbore. The secondary element may be configured to provide the electromagnetic field coupled between the first and second elements with one or more characteristic features. The system may be configured for use, in particular though not exclusively, for communicating information to and/or from a downhole tool in an oil or gas well. | 05-26-2016 |
20160160637 | DOWNHOLE ELECTROMAGNETIC AND MUD PULSE TELEMETRY APPARATUS - A measurement-while-drilling (MWD) telemetry system comprises a downhole MWD telemetry tool comprising a mud pulse (MP) telemetry unit and an electromagnetic (EM) telemetry unit. The MWD telemetry tool can be configured to transmit data in an EM-only telemetry mode using only the EM telemetry unit, in an MP-only mode using only the MP telemetry unit, or in a concurrent telemetry mode using both the EM and MP telemetry units concurrently. When transmitting data in the concurrent telemetry mode, the telemetry tool can be configured to transmit in a concurrent confirmation mode wherein the same telemetry data is transmitted by each of the EM and MP telemetry units, or in a concurrent shared mode wherein some of the telemetry data is transmitted by the EM telemetry unit, and the rest of the telemetry data is transmitted by the MP telemetry unit. The telemetry tool can be programmed to change its operating telemetry mode in response to a downlink command sent by an operator at surface. | 06-09-2016 |
20160194952 | DOWNHOLE PROBE ASSEMBLY WITH BLUETOOTH DEVICE | 07-07-2016 |
20160194953 | TRANSMITTING DATA ACROSS ELECTRICALLY INSULATING GAPS IN A DRILL STRING | 07-07-2016 |
20160201455 | OPTIMIZING ELECTROMAGNETIC TELEMETRY TRANSMISSIONS | 07-14-2016 |
20160203681 | WIRELESS DATA MONITORING AND OPERATIONAL CONTROL FOR A WORK RIG | 07-14-2016 |
20190149894 | SYSTEMS AND METHODS FOR TRANSFERRING DATA FROM REMOTE SITES | 05-16-2019 |
20220136386 | DOWNHOLE LOGGING TOOL INCORPORATING METAMATERIAL - A wellbore servicing tool. The wellbore servicing tool comprises a tool body, an electromagnetic transmitter coupled to the tool body, an electromagnetic receiver coupled to the tool body and spaced apart from the electromagnetic transmitter, wherein a portion of the tool body between the electromagnetic transmitter and the electromagnetic receiver defines a direct signal path between the electromagnetic transmitter and the electromagnetic receiver, and an absorbing material coupled to the tool body in the direct signal path between the electromagnetic transmitter and the electromagnetic receiver, proximate to the electromagnetic receiver. | 05-05-2022 |