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9012838 Covalently functionalized nanodiamond-based MALDI matrices and methods of use thereof  
The present disclosure relates to functionalized nanodiamonds comprising at least one MALDI matrix covalently bonded to a nanodiamond and compositions comprising the same. The present disclosure...
9010440 Method and apparatus for centrifugal separation  
Embodiments of the present invention generally relate to methods and apparatus for centrifugal separation. In one embodiment, a separator includes an outer tubular having ends sealed from the...
9004166 Down-hole gas separator  
A gas separator for separating gas from a fluid in a production stream in a producing hydrocarbon well is described. The gas separator includes a central tube sized to fit into a well casing of...
8997870 Method and apparatus for separating downhole hydrocarbons from water  
An apparatus for downhole separation of an oil/water fluid and the injection of the separated water into the formation includes a casing in a borehole, a tubing string in the casing, first...
8978753 Cyclonic strainer  
A cyclonic strainer for a well intake that provides for improved separation of gas and fluid in naturally flowing wells during mechanical pumping operations. The strainer includes an elongated...
8960283 Damper cartridge for launching plugs in cementing operations  
An apparatus for use in launching cement plugs in a well cementing operation comprises a cylinder, a piston slideably received in the bore of the cylinder and an actuator extending from the piston...
8960282 Centrifugal subterranean debris collector  
A subterranean debris catcher takes in debris laden fluid at a lower end. The inlet flow is induced with an eductor whose discharge goes around the housing to the lower end inlet for the debris....
8955598 Shroud having separate upper and lower portions for submersible pump assembly and gas separator  
A downhole well pumping assembly has a shroud with an upper section and a lower section sealed from one another. A submersible pump and a gas separator are housed within the upper section of the...
8936094 Rotational motion-inducing flow control devices and methods of use  
An example flow control device includes a body having an inlet and an outlet and a flow chamber extending therebetween. The flow chamber is configured to convey a fluid composition comprising a...
8899325 Method for removing contaminants from wastewater in hydraulic fracturing process  
A borehole is drilled from the surface to an underground shale matrix. A pipe is inserted into the borehole. Openings are created in the pipe in fluid communication with fractures in the shale...
8857512 Situ extraction process for the recovery of hydrocarbons  
An in situ extraction process for the recovery of hydrocarbons from a hydrocarbon bearing formation, including the steps of injecting a solvent consisting substantially of one of the group of H2S,...
8807214 Microwave-promoted desulfurization of crude oil  
Heavy crude oils having high sulfur content and viscosities are upgraded by a hydrodesulfurization (HDS) process that includes microwave irradiation of a mixture of the sour heavy crude oil with...
8789592 Flooding operations employing chlorine dioxide  
A method includes introducing a treatment fluid including a first polymer gel into a subterranean formation to generate a production fluid having an aqueous portion and a hydrocarbon portion,...
8783345 Microbial enhanced oil recovery delivery systems and methods  
A method of microbial enhanced oil recovery from a wellbore in an oil-bearing formation that includes injecting water into the oil-bearing formation via a tubing string in the wellbore and...
8763700 Dual function proppants  
Proppants for use in fractured or gravel packed/frac packed oil and gas wells are provided with a contaminant removal component to remove one or more of the contaminants found in subterranean...
8757256 Orbital downhole separator  
An orbital downhole separator for separating well fluids into constituents of different specific gravities. Specifically, it is designed to separate water from oil or gas. The apparatus comprises...
8757257 Crown-shaped separation device for separating oil and water in well  
The present invention relates to a crown-shaped separation device for separating oil and water in a well. Separator joints are sleeved on a central tube, and a separator is arranged between...
8746335 Method for removing contaminants from wastewater in hydraulic fracturing process  
A borehole is drilled from the surface to an underground shale matrix. A pipe is inserted into the borehole. Openings are created in the pipe in fluid communication with fractures in the shale...
8726989 Method for removing contaminants from wastewater in hydraulic fracturing process  
The method begins drilling a borehole from the surface to an underground shale matrix. A pipe is inserted into the borehole. Fractures are created in the shale matrix by pumping fracturing fluid...
8663371 Hydraulic fracturing truck sand baghouse  
A frac truck is provided for the portable metering and dispensing of sand into a fractionation fluid system. Hopper vessels for powder, sand or other aggregate have a discharge vent for releasing...
8651184 Down-hole sand and solids separator utilized in producing hydrocarbons  
A new method separating sand, solids, and produced particulates down-hole in a well producing hydrocarbons. The separation assembly can include ether one, two, or more segments or stages of...
8616272 Downhole water-oil separation arrangement and method  
Disclosed herein is a downhole water-oil separation arrangement which includes a body having one or more portions thereof configured to have an affinity to a selected fluid. The body further will...
8571688 System and method for optimization of gas lift rates on multiple wells  
A method includes controlling a lift-gas compression process, controlling a lift-gas extraction process, and controlling a production separation process. The method also includes receiving asset...
8561813 Cyclonic debris evacuation apparatus and method for a pump  
A cyclonic debris evacuation apparatus and method for removing debris in a pumping system. The apparatus includes a valve rod, a cyclone component, cup component, ring component, and ring coupler...
8505747 Cyclonic debris evacuation apparatus and method for a pump  
A cyclonic debris evacuation apparatus and method for evacuating debris in a pumping system that forms between the plunger exterior and barrel interior. The apparatus is configured for use with a...
8491687 Hydraulic fracturing truck sand baghouse  
A frac truck is provided for the portable metering and dispensing of sand into a fractionation fluid system. Hopper vessels for powder, sand or other aggregate have a discharge vent for releasing...
8434556 Apparatus and methods for removing mercury from formation effluents  
An apparatus and related methods for removing hazardous trace elements from hydrocarbon reservoir effluent is implemented by placing an adsorbing volume of material designed to adsorb the...
8424600 Methods and systems for treating subterranean wells  
The present invention is directed to a method and system for treating a well having a wellbore extending from a ground surface or subsea surface downhole to an oil producing formation. Oil...
8397821 Caisson two-phase emulsion reducer  
A seafloor pump assembly is installed within a caisson that has an upper end for receiving a flow of fluid containing gas and liquid. The pump assembly is enclosed within a shroud that has an...
8397811 Gas boost pump and crossover in inverted shroud  
An above-motor mixed flow booster pump combined with a fluid crossover that directs up into the inside of an inverted shroud to allow enhanced gas separation. A gas and liquid separator is used to...
8374834 Statistical method for analyzing the performance of oilfield equipment  
A statistical methodology is disclosed to provide time-to-event estimates for oilfield equipment. A method according to the present invention extracts unbiased information from equipment...
8327941 Flow control device and method for a downhole oil-water separator  
A downhole device having an oil/water separator having a well fluid inlet, an oil stream outlet conduit, and a water stream outlet conduit; a removable flow-restrictor located in at least one of...
8316938 Subterranean water production, transfer and injection method and apparatus  
A method and apparatus is provided for diverting a ground water supply source located in a stratum that is hydraulically separated from a hydrocarbon-containing reservoir formation for injection...
8261821 Downhole multi-parallel hydrocyclone separator  
A hydrocyclone separator assembly includes a longitudinal housing configured for disposal in a wellbore, wherein the longitudinal housing comprises a discharge head disposed at one end of the...
8202415 Hydrocyclones for treating drilling fluid  
Methods and systems are disclosed for treating a drilling fluid mixture including feeding the drilling fluid mixture to a hydrocyclone (or hydrocyclones) with a flow-volume-adjustable inlet for...
8196657 Electrical submersible pump assembly  
In one embodiment, a pump assembly for pumping a wellbore fluid in a wellbore includes a pump, a fluid separator, a motor for driving the pump, and a shroud disposed around the fluid separator for...
8163679 Method for applying remedial cement to a wellbore  
A cement composition and method of applying remedial cement to a downhole perforation is described. The method involves the sequential delivery of a phosphate acid activator and a silicate...
8146661 Cryogenic treatment of gas  
Systems and methods of treating a gas stream are described. A method of treating a gas stream includes cryogenically separating a first gas stream to form a second gas stream and a third stream....
8141625 Gas boost circulation system  
A submersible well pump assembly in a wellbore; the pump assembly includes a liquid lift pump and a booster pump for pumping a two-phase mixture of gas and liquid. A shroud with an opening at its...
8113274 Electric submersible pumping system with gas vent  
A technique is provided for pumping fluids from a wellbore. An electric submersible pumping system is deployed in a wellbore on a tubing. Free gas can potentially accumulate around the electric...
8080157 Downhole gravitational water separator  
A gravity water separation system that may be integrated within a well completion. A diverted flowpath is provided for produced hydrocarbons, external to the completion tubing. As produced...
8078444 Method for performing oilfield production operations  
A method is disclosed for optimal lift resource allocation, which includes optimally allocating lift resource under a total lift resource constraint or a total production constraint, the...
8051907 Downhole separator  
The desander (10) for positioning downhole includes a generally tubular desander body (16) and a generally sleeve-shaped vortex body (39, 94). The desander with a seal or packer may be positioned...
8025100 Method and device for compressing a multiphase fluid  
The invention relates to a method for increasing the pressure of a liquid/gas multiphase fluid, and a method for compressing a gaseous fluid, comprising: (b1) entrainment of the gaseous fluid...
8006757 Flow control system and method for downhole oil-water processing  
A technique is provided for processing well fluid downhole. The technique utilizes equipment for separating a well fluid downhole into a water component and an oil component. The separation of...
8002498 Systems and methods for underground storage of biogas  
Systems and methods for producing purified biogas are disclosed. In one embodiment of the invention, a method includes collecting biogas from a landfill, transporting the biogas to a first well,...
7963328 Process and apparatus for release and recovery of methane from methane hydrates  
A process and system for release and recovery of methane from subterranean methane hydrate deposits in which heated CO2 is used to displace methane from the methane hydrate deposits and a portion...
7957903 Gas trap for sampling fluid from a well  
A low maintenance adjustable gas trap with a plurality of couplings, each coupling securing to a flow line of a drilling rig; a plurality of hammer unions each engaging a coupling; a plurality of...
7953584 Method for optimal lift gas allocation  
A method is disclosed for optimal lift gas allocation, comprising: optimally allocating lift gas under a total lift gas constraint or a total produced gas constraint, the allocating step including...
7909092 Downhole separator  
The desander (10) for positioning downhole includes a generally tubular desander body (16) and a generally sleeve-shaped vortex body (39, 94). The desander with a seal or packer may be positioned...

Matches 1 - 50 out of 293 1 2 3 4 5 6 >