Class / Patent application number | Description | Number of patent applications / Date published |
166900100 | With means for inserting fluid into well | 42 |
20080236811 | EQUIPMENT FOR PRESSURIZED ADSORPTION OF GASEOUS CARBON DIOXIDE FROM BOILER FLUE GAS FOR OIL RECOVERY BY WELL INJECTION - An equipment for the pressurized adsorption of gaseous carbon dioxide from boiler flue gas for oil recovery by well injection comprising a boiler for generating high pressure steam, a high pressure water pump, a tower scrubber, a compressor, an absorber, a separation tank, a flash pot, a solvent pump, a stripper, an air pump, a carbon dioxide compressor, a purifier, a carbon dioxide pressurizer, a drying beds, a membrane module, a nitrogen pressurizer and a mixing tank. With rational design and handsome practicability, the comprehensive mate equipment, when producing steam by the boiler, can obtain carbon dioxide liquid and nitrogen, thus realizing “single injection”, “double injection” or “triple injection” of steam, gaseous carbon dioxide and nitrogen and thereby gaining favorable results of crude oil output increase as well as environment protection. | 10-02-2008 |
20080236812 | OIL RECOVERY BY INJECTION OF STEAM, CARBON DIOXIDE AND NITROGEN - Equipment for oil recovery can include three systems: a steam system, a carbon dioxide system and a nitrogen system. The three systems can include one or more of a steam pressure regulator, a steam thermometer, a steam pressure gauge, a steam flowmeter, a carbon dioxide pressure regulator, a carbon dioxide compressor, a carbon dioxide thermometer, a carbon dioxide pressure gauge, a nitrogen compressor, a nitrogen pressure regulator, a nitrogen thermometer, a nitrogen pressure gauge, assembled valves, a gas injection tube and a chemical agent valve. The three systems can be connected into a heavy oil well via the assembled valves, the gas injection tube and a down-hole tube. The equipment can integrate three pressurizing and metering systems of steam, carbon dioxide and nitrogen together. With the equipment, one, two or three of the gases may be injected into oil wells to achieve favorable results of output increase. | 10-02-2008 |
20080257540 | Multipart frac head with replaceable components - A multipart frac head with replaceable components permits the frac head to be refurbished in the field. In one embodiment, a bottom leg of the multipart frac head is replaceable. In another embodiment, inlet ports of the frac head are also replaceable. | 10-23-2008 |
20090000781 | Wellhead Assembly and Method for An Injection Tubing String - A wellhead assembly for an injection tubing string is provided which allows a master valve to be closed without damaging the injection tubing string while still allowing for the use of a back pressure valve to isolate the tree. Wellhead assemblies and related methods of the present invention include a wellhead apparatus adapted to be connected to a wellhead. The assembly also includes a mandrel adapted to being inserted into the longitudinal bore of the wellhead apparatus, the mandrel having a port for communicating with an injection port which extends radially through the wellhead apparatus. The assembly further includes a hanger adapted to connect to the upper end of the injection string, wherein the hanger is further adapted to land in the longitudinal bore of the mandrel. The hanger includes a communication passageway for facilitating fluid communication between the port of the mandrel and the injection tubing string. | 01-01-2009 |
20090014170 | SYSTEMS FOR EXTRACTING FLUIDS FROM THE EARTH'S SUBSURFACE AND FOR GENERATING ELECTRICITY WITHOUT GREENHOUSE GAS EMISSIONS - An embodiment is an apparatus for generating a driver gas, for recovering fluid from the Earth's subsurface. The apparatus includes a fuel reformer, adapted to react a fuel with water to produce carbon dioxide gas and hydrogen gas; a compressor, adapted to compress a portion of the carbon dioxide gas and a portion of the hydrogen gas; a gas injection unit, adapted to inject the portion of the carbon dioxide gas and the portion of the hydrogen gas compressed by the compressor, into a subsurface reservoir; a gas capture unit, adapted to capture a portion of the carbon dioxide gas and the hydrogen gas, that emerges from the subsurface reservoir; and a control module capable of using subsurface data to regulate operation of the gas injection unit. The apparatus may also include a power generator adapted to utilize a portion of the hydrogen gas to generate power, hence producing electricity without greenhouse gas emissions. | 01-15-2009 |
20090050311 | Well servicing combination unit - A single well servicing combination unit comprising: a hydraulic manifold removably connectable to the power-take-off of an external power source to drive a plurality of hydraulic pumps and motors that control a plurality of well servicing units mounted on said combination unit, said well servicing units being interconnectable by plumbing. | 02-26-2009 |
20090151927 | Combined nitrogen generation system and well servicing fluid system in one power unit apparatus - A combined system for treating an oil and/or gas well, comprising: a single transportation means having mounted thereon: a single prime mover for providing prime power for the operation of pumps and motors mounted on said transportation means; a nitrogen generator that can gather gaseous nitrogen from the earth's atmosphere; and a fluid pumping system for pumping fluids into a wellbore, said nitrogen generator and said fluid pumping system being interconnectable by plumbing and including a power transmission means responsive to the operation of said engine. | 06-18-2009 |
20090194272 | APPARATUS AND METHOD FOR TREATING INJECTION FLUID - An apparatus ( | 08-06-2009 |
20090200011 | Truck-mounted pumping system for treating a subterranean formation via a well with a mixture of liquids - An efficient truck-mounted injection system for injecting a combined aqueous or hydrocarbon-based liquid stream and a liquid carbon dioxide stream via a well into a subterranean formation. | 08-13-2009 |
20090236090 | Erosion Resistant Frac Head - An erosion resistant frac head with a convergence chamber, an expansion chamber and a mixing chamber provides improved resistance to erosion caused by abrasive frac fluids pumped through the frac head. In one embodiment, a bottom leg of the erosion resistant frac head may be replaced in the field by field hands. In another embodiment, top entry ports of the frac head may also be replaced in the field by field hands. | 09-24-2009 |
20100051258 | FRACTURING HEAD WITH REPLACEABLE INSERTS FOR IMPROVED WEAR RESISTANCE AND METHOD OF REFURBISHING SAME - Fracturing heads with one or more replaceable wear-resistant inserts have annular sealing elements for inhibiting fracturing fluids from circulating between the inserts and a main body of the fracturing head. Worn inserts and degraded sealing elements are easily replaced to refurbish the fracturing head without replacing or rebuilding the main body. Service life of the main body is therefore significantly prolonged. In one embodiment, an entire flow path through the main body is lined with wear-resistant replaceable inserts to further prolong the service life of the main body. | 03-04-2010 |
20100147506 | Truck-mounted pumping system for treating a subterranean formation via a well with a mixture of liquids - An efficient truck-mounted injection system for injecting a combined aqueous or hydrocarbon-based liquid stream and a liquid carbon dioxide stream via a well into a subterranean formation. | 06-17-2010 |
20100326648 | EROSION RESISTANT FRAC HEAD - An erosion resistant frac head with a convergence chamber, an expansion chamber and a mixing chamber provides improved resistance to erosion caused by abrasive frac fluids pumped through the frac head. A bottom leg of the erosion resistant frac head may be replaced in the field by field hands. | 12-30-2010 |
20110042066 | DEVICE FOR INJECTION AND STIMULATION OF FLUIDS IN A WELL BORE - Present invention regards a device for injection and stimulation of fluids in a wellbore, where the device is typically is installed in Christmas trees, wellheads or subsea. The device comprises two separable sections, where the section that is mounted/arranged within the Christmas tree or wellhead, will remain in a closed position even if the other section due to external forces is broken off or in other ways is damaged. | 02-24-2011 |
20110048695 | MANIFOLD AND SYSTEM FOR SERVICING MULTIPLE WELLS - A manifold for distribution of well servicing fluids, such as fracturing fluids, to a plurality of wells. The manifold has a single bore through which the fluid flows and a plurality of outlets which are connected to the bore. Two or more of the outlets deliver the fluid to each wellhead. Valves are positioned in each of the outlets so that each of the wellheads can be independently isolated from the fluids for selecting which of the wells will be serviced at any given time. A total cross-sectional area of the outlets feeding each of the wells is greater than the cross-sectional area of the bore which results in a velocity reduction in the outlets which reduces erosion in the manifold and the downstream components Systems are described using prior art manifolds or manifolds according to embodiments of the invention for use specifically with fracturing fluids containing proppant. Proppant can be delivered to the fracturing fluid through the manifold, directly to the wellhead or both, to reduce erosion. Use of a manifold according to embodiments of the invention, in combination with the systems described, are particularly useful for reducing erosion with proppant-laden fracturing fluids. | 03-03-2011 |
20110079382 | CHEMICAL INJECTION OF LOWER COMPLETIONS - A chemical injection system directed at lower completions. The system includes a tubular stinger that is anchored within a upper region of a well but traverses into the lower completion. Thus, a platform is provided for a chemical injection line running from surface to the lower completion. As a result, chemical injection may be directed right at a sand screen and other scale prone features of lower completions. | 04-07-2011 |
20110272137 | PRODUCING OIL AND/OR GAS WITH EMULSION COMPRISING MISCIBLE SOLVENT - A system for producing oil and/or gas from an underground formation comprising a miscible solvent source ( | 11-10-2011 |
20110284209 | System And Method For Regulating Pressure Within A Well Annulus - Pressure within a subsea well is managed as temperature within the well fluctuate. The management of the pressure mitigates stress to the structure of the well caused by the pressure. To manage the pressure, fluid is received from and/or provided to the well to reduce and/or increase pressure within the well. | 11-24-2011 |
20110315370 | EROSION RESISTANT FRAC HEAD - An erosion resistant frac head with a convergence chamber, an expansion chamber and a mixing chamber provides improved resistance to erosion caused by abrasive frac fluids pumped through the frac head. A bottom leg of the erosion resistant frac head terminates in a flange and may be replaced in the field by field hands. | 12-29-2011 |
20120181014 | Method and system for servicing a wellbore - A system for servicing a wellbore, comprising a water source, a first water stream from the water source comprising undissolved solids, dissolved organics and undissolved organics, the first water stream being introduced into a mobile electrocoagulation unit, a second water stream comprising coalesced undissolved solids, coalesced undissolved organics and dissolved organics, the second water stream being emitted from the electrocoagulation unit and introduced into a mobile separation unit, a third water stream comprising dissolved organics, the third water stream being emitted from the separation unit, an ozone stream emitted from a mobile ozone generator and added to the third water stream comprising dissolved organics to form an ozonated water stream comprising dissolved organics, the ozonated water stream comprising dissolved organics being introduced into a mobile ultraviolet irradiation unit, a fourth water stream substantially free of undissolved solids, facilely-oxidizable organics and active microorganisms, the fourth water stream being emitted from the ultraviolet irradiation unit, and a wellbore servicing fluid, wherein the wellbore servicing fluid is formed using the fourth water stream, the wellbore servicing fluid being placed in the wellbore. | 07-19-2012 |
20120261112 | SYSTEM FOR REDUCING OIL BENEATH THE GROUND - A system and method for cracking, hydrogenating and extracting oil from underground deposits is presented. A system includes a gasifier, an injection well and a production well. The gasifier creates high pressure, high temperature syngas. The pressurized syngas flows through an injection well into a deposit of oil under the ground to crack and hydrogenate the oil to produce upgraded oil with a reduced density and viscosity. The production well of the system receives the reduced density and viscosity oil, transports it above the ground where it may be further separated into a portion that may be sold and a portion that can be gasified in the gasifier. | 10-18-2012 |
20120305234 | Sucker Rod Cleaner - A sucker rod cleaner incorporated onto the well bore casing head of an oil and gas retrieval assembly including and engaging one or more interconnected sucker rods extending within the casing of a well bore and in contact with a down hole located pump. A generally cylindrical three dimensional body is mounted at an above ground location proximate to the casing head of the well bore and through which extends the sucker rod assembly. A plurality of circumferentially offset nozzles communicate external pressurized fluid sources to an interior of said body for cleaning the exterior of the sucker rod assembly. A fluid outlet line communicates with said interior at a further downwardly displaced location associated with said body and, during withdrawal of the sucker rod assembly, creates an internal suction within said body for retaining and disposing fluid entrained debris dislodged from the assembly by said nozzles. | 12-06-2012 |
20130092367 | Methanol storage and delivery apparatus for gas wells - A gas well methanol storage and delivery apparatus, includes a housing forming an enclosed interior having a lower portion with a containment container therein and an upper portion, and having at least one door to allow access to the interior. A storage tank mounting structure in the upper portion of the interior above the containment container is adapted to mount a storage tank for storing a supply of methanol. A pump mounting structure also in the interior of the housing above the containment container is adapted to mount a pump for pumping methanol from the storage tank to a gas well for injection into the gas well. Vent means may be provided for allowing natural air flow through a portion of the containment container. The apparatus, with or without a tank and with or without a pump, may be supplied as a prefabricated unit to the well head site. | 04-18-2013 |
20130160989 | CLEANING OF WATER FROM DRILLING AND HYDRAULIC FRACTURING OPERATIONS - The present disclosure pertains to systems and methods for cleaning water from drilling and hydraulic fracturing operations for reuse and/or release into the environment. | 06-27-2013 |
20130306304 | FRACTURING FLUID DEFLECTING AND SCREENING INSERT - Fracturing headers and connected conduits are fit with one or more fluid screening and wear minimizing inserts. Tubular screen inserts are provided to screen a flow of fracturing fluid through manifolds prior to, or at, the fracturing header. Each tubular screen insert has a tubular wall having an insert bore, an endwall and an open inlet. A plurality of openings, about the tubular wall, provide fluid communication between the bore and an annular area outside the wall. Oriented in a flow conduit with the closed endwall upstream, the insert excludes and sheds debris therefrom. Oriented with the closed endwall downstream, the insert receives and stores debris. Pairs of inserts, retained in opposing inlet ports, serve to screen fluid and deflect erosive flow from tools such as coil tubing extending therethrough. A fracturing block fit with opposing inlet ports can also be fit with an outlet port for flowback operations. | 11-21-2013 |
20140041856 | SYSTEM FOR PRODUCING AND SEPARATING OIL - The present invention is directed to a system for producing and separating oil. The system comprises an oil-bearing formation, a low salinity aqueous fluid having an ionic strength of less than 0.15M and having a total dissolved solids content of from 200 ppm to 10000 ppm, a brine solution having a total dissolved solids content of greater than 10000 ppm, and a demulsifier. The system further comprises a mechanism for introducing the low salinity aqueous fluid into and oil-bearing formation, a mechanism for producing oil and water from the formation subsequent to introducing the low salinity aqueous fluid into the formation, and a mechanism for contacting the brine solution and the demulsifier with the oil and water produced from the formation and for separating the produced oil from the produced water. | 02-13-2014 |
20140076534 | SEAL CONFIGURATION FOR TOP DRIVE SWIVEL APPARATUS AND METHOD - For use with a top drive power unit supported for connection with a well string in a well bore to selectively impart longitudinal and/or rotational movement to the well string, a feeder for supplying a pumpable substance such as cement and the like from an external supply source to the interior of the well string in the well bore without first discharging it through the top drive power unit including a mandrel extending through a sleeve which is sealably and rotatably supported thereon for relative rotation between the sleeve and mandrel. The mandrel and sleeve have flow passages for communicating the pumpable substance from an external source to discharge through the sleeve and mandrel and into the interior of the well string below the top drive power unit. The unit can include a packing injection system and novel seal configuration. | 03-20-2014 |
20140209290 | Wellbore Fluids Comprising Mineral Particles and Methods Relating Thereto - Mineral particles may provide for wellbore fluids with tailorable properties and capabilities. Such wellbore fluids may be included as a portion of a wellbore drilling assembly that includes a pump in fluid communication with a wellbore via a feed pipe; and a wellbore fluid disposed in at least one selected from the group consisting of the pump, the feed pipe, the wellbore, and any combination thereof, wherein the wellbore fluid comprises a base fluid and a plurality of mineral particles, for example, mineral particles that comprise at least one selected from the group consisting of manganese carbonate, NixFe (x=2-3), copper oxide, and any combination thereof, the mineral particles having a median diameter between about 5 nm and about 5000 microns. | 07-31-2014 |
20140216717 | SYSTEMS AND METHODS FOR SELECTIVELY PRODUCING STEAM FROM SOLAR COLLECTORS AND HEATERS FOR PROCESSES INCLUDING ENHANCED OIL RECOVERY - Systems and methods for selectively producing steam from solar collectors and heaters, for processes including enhanced oil recovery, are disclosed herein. A system in accordance with a particular embodiment includes a water source, a solar collector that includes a collector inlet, a collector outlet, and a plurality of solar concentrators positioned to heat water passing from the collector inlet to the collector outlet, a fuel-fired heater, a steam outlet connected to an oil field injection well, and a water flow network coupled among the water source, the solar collector, the heater, and the steam outlet. The system can further include a controller operatively coupled to the water flow network and programmed with instructions that, when executed, direct at least one portion of the flow through the solar collector and the fuel-fired heater in a first sequence, and direct the at least one portion or a different portion of the flow through the solar collector and the fuel-fired heater in a second sequence different than the first sequence. | 08-07-2014 |
20140216718 | FRAC ADAPTER FOR WELLHEAD - There is provided a frac adapter configured to couple a frac tree to a wellhead component. The frac adapter may couple the frac tree to a casing head without a tubing head, thereby enabling the well to be fractured before the tubing head is installed. As a result, the tubing head used in well production may be pressure-rated for production pressures rather than for fracing pressures. The frac adapter may be coupled to or integral with the frac tree. In addition, a union-nut coupling may be employed to quickly and easily assemble and disassemble the frac adapter from the wellhead component, such as the casing head. The union-nut coupling may further enable the components to be pressure-tested before the fracturing process is initiated. | 08-07-2014 |
20140318762 | Scale Prevention Treatment Method, System, and Apparatus for Wellbore Stimulation - A method of servicing a wellbore comprising placing a wellbore servicing apparatus into a wellbore, wherein the wellbore servicing apparatus contains a plurality of mobilized template-assisted crystallization beads and contacting a fluid comprising scale-forming ions with at least a portion of the template-assisted crystallization beads. A method of servicing a wellbore, comprising contacting a fluid comprising scale-forming ions with a quantity of template-assisted crystallization beads in a vessel to form a treated fluid, wherein the template-assisted crystallization beds are mobile within the vessel and placing the treated fluid into a wellbore, a subterranean formation, or a combination thereof. | 10-30-2014 |
20150041116 | COUPLING FOR A CEMENT HEAD - Disclosed is an improved coupling for cement heads. One exemplary cement head includes a first module comprising a first end, a first outer surface, and a plurality of first protrusions extending radially outward from the first outer surface, each of the plurality of first protrusions comprising a first profile in which (i) a first engagement surface faces axially away from the first end and (ii) a first support surface forms a first oblique angle relative to an axis; and a bridge configured to engage the plurality of first protrusions. | 02-12-2015 |
20150101792 | APPARATUS FOR LIQUEFACTION OF CARBONACEOUS MATERIAL - A carbonaceous material liquefaction apparatus which uses a nozzle assembly to supply a pressurised liquid towards a carbonaceous material as a high velocity liquid. A supply line ( | 04-16-2015 |
20150107822 | ENVIRONMENTALLY SEALED SYSTEM FOR FRACTURING SUBTERRANEAN FORMATIONS - An environmentally sealed system for fracturing subterranean systems including a fracturing fluid source, a proppant source, a proppant hopper comprising a variable proppant regulator, a blender comprising a blender inlet and a blender outlet, a high pressure pump comprising a high pressure pump inlet and a high pressure pump outlet, and a well head; wherein the fracturing fluid source is connected to the blender inlet through a fracturing fluid supply connection and a fracturing vapor recovery connection, the proppant source is connected with the proppant hopper through a proppant supply connection and a proppant vapor recovery connection, the proppant hopper is connected to the blender inlet through a proppant transfer connection, the blender outlet is connected to the high pressure pump inlet, and the high pressure pump is outlet connected to the well head. | 04-23-2015 |
20150322332 | Subterranean Well Treatment System - A process of treating a subterranean well comprising a plurality of flow channels and at least one of the flow channels is impaired. The treatment is used for alleviating the impairment. The process comprises a flow of gaseous carrier fluid supplied into the subterranean well. The gaseous carrier fluid pushes liquids out of the plurality of the flow channels. A liquid treatment agent is created. To create the liquid treatment agent, first, a surfactant solution is created and diluted with a solvent. The surfactant solution is created by compounding a plurality of non-ionic ethoxylated sorbitan fatty acid ester surfactants together until a proper hydrophilic-lipophilic balance is achieved. At some point, the liquid treatment agent is atomized. This atomized liquid treatment agent is blended with the gaseous carrier fluid, to create an atomized treatment fog. The atomized treatment fog is supplied into the subterranean well. | 11-12-2015 |
20150367305 | HIGH PRESSURE PARTICLE INJECTOR - A combination of hard particles and a fluid may be created by a vessel which stores the hard particles and receives a first flow of fluid via a first fluid interface source. A mixing block receives the hard particles, the first flow of fluid and a second flow of fluid and combines the first flow of fluid, the second flow of fluid and the hard particles and provides a combined flow of fluid to an external source. | 12-24-2015 |
20160010419 | SYSTEMS AND METHODS FOR A HORIZONTAL COMPLETION TREE | 01-14-2016 |
20160123109 | VALVE INSERT SYSTEM - A system including a valve, including a valve body having an interior volume and a bore along a first axis, a stem extending along a second axis, and a flow control element coupled to the stem, wherein the stem is configured to selectively move the flow control element through the interior volume between a closed position and an open position relative to the bore, and a valve insert system configured reduce a size of the interior volume and to guide a lubricant to reduce wear on the flow control element. | 05-05-2016 |
20160160106 | Nano-Carbohydrate Composites as a Lost Circulation Materials - LCM Origami and Other Drilling Fluid Applications - A wellbore treatment fluid containing lost circulation materials and methods for using the treatment fluid, the fluid including a carrier fluid and nano-carbohydrate based sheets. The sheets may be folded or rolled into various cross-sectional surface area reducing configurations. The nano-carbohydrate based sheets may contain cellulose and or chitin materials. A method for utilizing the treatment fluid for creation or maintenance of a well includes forming or providing the treatment fluid and introducing the treatment fluid into a borehole. | 06-09-2016 |
20160168970 | System and Method of Reducing Erosion in Frac Applications | 06-16-2016 |
20160169221 | SYSTEM AND METHOD FOR CHANGING PROPPANT CONCENTRATION | 06-16-2016 |
20170234097 | Wellhead Mixing Device | 08-17-2017 |