Patents
Patents for E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186)
11/2013
11/28/2013US20130315677 Lift/Boarding Vessel
11/28/2013US20130313160 Isolating Lubricating Oils from Subsurface Shale Formations
11/28/2013US20130312976 Methods for using liquefied natural gas for well stimulation
11/28/2013US20130312975 Process for Water Wetting Oil-Wet Surfaces
11/28/2013US20130312974 Controlling hydrogen sulfide production in oilfield operations
11/28/2013US20130312973 Methods for Drilling and Stimulating Subterranean Formations for Recovering Hydrocarbon and Natural Gas Resources
11/28/2013US20130312972 System To Heat Water For Hydraulic Fracturing
11/28/2013US20130312971 Enhanced hydrocarbon recovery method comprising optimizing the injection of an aqueous conditioning solution
11/28/2013US20130312970 Thickening of fluids
11/28/2013US20130312969 Use of hexose oxidases to create hydrogen peroxide in aqueous well treatment fluids
11/28/2013US20130312963 Method for Combined Cleaning and Plugging in a Well, a Washing Tool for Directional Washing in a Well, and Uses Thereof
11/28/2013US20130312962 Enhancing the Conductivity of Propped Fractures
11/28/2013US20130312961 Biomimetic Adhesive Compositions Comprising a Phenolic Polymer and Methods for Use Thereof
11/28/2013US20130312960 Shunt isolation valve
11/28/2013US20130312959 Methods and systems for enhanced delivery of thermal energy for horizontal wellbores
11/28/2013US20130312958 Reservoir treatment
11/28/2013US20130312957 Systems and methods for enhanced recovery of hydrocarbonaceous fluids
11/28/2013US20130312956 Spectral Analysis Techniques for Fluid Monitoring
11/28/2013US20130312955 Processing Hydrocarbons
11/28/2013US20130312954 System for lining a wellbore
11/28/2013US20130312950 Igniting an underground coal seam in an underground coal gasification process, ucg
11/28/2013US20130312949 Cutting unit of a hydromechanical slot perforator
11/28/2013US20130312833 Gas lift valve with ball-orifice closing mechanism and fully compressible dual edge-welded bellows
11/27/2013EP2666958A1 Method of fraccing a well
11/27/2013EP2666957A2 Gas lift valve with ball-orifice closing mechanism and fully compressible dual edge-welded bellows
11/27/2013EP2665958A2 Subsea pipeline connecting apparatus and method
11/27/2013EP2665937A1 High pressure multistage centrifugal pump for fracturing hydrocarbon reserves
11/27/2013EP2665893A2 Downhole sand control apparatus and method with tool position sensor
11/27/2013EP2665892A1 Method for fracturing a formation using a fracturing fluid mixture
11/27/2013EP2665891A1 Fracturing system and method for an underground formation using natural gas and an inert purging fluid
11/27/2013EP2665890A1 Fracturing system and method for an underground formation
11/27/2013EP2665889A2 Varying pore size in a well screen
11/27/2013EP2665887A2 Method for capping a well in the event of subsea blowout preventer failure
11/27/2013CN203308449U Wax examining tubular column
11/27/2013CN203308448U Coal nozzle hole protection device
11/27/2013CN203308447U Intelligent electric switch sliding sleeve
11/27/2013CN203308446U Multi-stage fracturing sliding sleeve free from opening in midway
11/27/2013CN203308445U Intelligent constant-current remote control water injection device
11/27/2013CN203308444U Anti-drop spraying nozzle structure
11/27/2013CN203308443U Circulating gas injection pipe column
11/27/2013CN203308442U Phi 95 mm ground direct control bottom-hole regulator
11/27/2013CN203308441U Novel energy-saving pumping unit
11/27/2013CN203308440U Asynchronous balanced positive torque oil pumping unit
11/27/2013CN203308439U Digital slide balance adjustment pumping unit
11/27/2013CN203308438U Novel hydraulic double-well pumping unit
11/27/2013CN203308437U Pumping unit system
11/27/2013CN203308411U Sand prevention hydraulic anchor
11/27/2013CN203308392U High-pressure gas injection tubular column sealing plug
11/27/2013CN203308390U Iso-dryness distribution tee joint
11/27/2013CN103415674A System and method for servicing a wellbore
11/27/2013CN103415673A Method and system for radially expanding a tubular element and directional drilling
11/27/2013CN103415598A Method and apparatus for treating a raw UCG product stream
11/27/2013CN103412521A Automatic control system and method of fracturing blender truck
11/27/2013CN103412511A Permanent magnet synchronous motor direct driving type oil pumping machine control system and control method thereof
11/27/2013CN103412483A Model-free gradient optimization control method for offshore platform injection and production and simulating device for offshore platform injection and production
11/27/2013CN103411118A Centralized lubrication device of walking beam type pumping unit
11/27/2013CN103410495A Gas-water separator with automatic cooling function
11/27/2013CN103410494A Acidification fracturing truck
11/27/2013CN103410493A Blending equipment for exploiting shale gas
11/27/2013CN103410492A Flying stop device for carbon dioxide extraction device
11/27/2013CN103410491A Hole shrinking sliding sleeve
11/27/2013CN103410490A Network type measuring truck
11/27/2013CN103410489A Modification and viscosity reduction method for in-situ combustion heavy oil recovery
11/27/2013CN103410488A Natural gas hydrate water discharge gas production exploitation device and exploitation method of natural gas hydrate water discharge gas production exploitation device
11/27/2013CN103410487A Thickened oil thermal recovery decompression method and device
11/27/2013CN103410486A Three-in-one composite profile control and displacement process used for oilfield deep profile control
11/27/2013CN103410485A Hole-regulating variable-pressure down-hole choke
11/27/2013CN103410484A Small-diameter tubular pump pump-passing depth checking perforating and pumping combined production method
11/27/2013CN103410483A Evaluation device and method for sand controlling effect of screen pipe of horizontal well
11/27/2013CN103410482A Speed reduction device for ultralow-stroke-frequency pumping unit
11/27/2013CN103410481A Oil-extracting machine unit
11/27/2013CN103410480A Unit type four-side continuous seamlessly-sectionalized radial multiple-branch three-dimensional injection-production development technology
11/27/2013CN103410479A Double-drive mechanism of pumping unit
11/27/2013CN103410478A Hollow oil pumping device for fluid producing profile tests
11/27/2013CN103410475A Environment-friendly annular continuous dosing automatic device for oil-gas wells and dosing method
11/27/2013CN103410470A Thermal injection pipe column and thermal injection valve of heavy oil thermal recovery well
11/27/2013CN103409131A Swelled-clay shrinking agent for plug removal, and preparation method and application thereof
11/27/2013CN103409126A Betaine surfactant system improved by segmented copolymer and application of betaine surfactant system
11/27/2013CN102383766B Self-heating natural gas hydrate preventing device
11/27/2013CN102203210B Method of reducing viscosity of hydrocarbon fluids
11/27/2013CN102174882B Medium-pressure gas collection technique based on cluster well
11/27/2013CN102042014B Multistage-cylinder near well-bore zone shearing simulation device with three layers of compacted sand bodies
11/27/2013CN102042013B Near wellbore area cutting simulation device for combined cylinder body with three layers of compacted sand bodies
11/27/2013CN101949280B Anti-scaling and anti-sand device connected with oil pumping tubing string into whole and application method
11/27/2013CN101798912B Device and method for regulating and controlling water content of production fluid of underground layering of oil field
11/26/2013US8592351 Enhancing emulsion stability
11/26/2013US8590630 System and method for controlling the flow of fluid in branched wells
11/26/2013US8590622 Organic acid compositions and methods of use in subterranean operations
11/26/2013US8590621 Low damage seawater based frac pack fluid
11/26/2013US8590619 Method for producing natural gas from hydrocarbon hydrates while simultaneously storing carbon dioxide in geological formations
11/26/2013US8590618 Method and apparatus for single run cutting of well casing and forming subsurface lateral passages from a well
11/26/2013US8590614 High pressure stimulation pump
11/26/2013CA2754486C System and method for monitoring fluid flow through an electrical submersible pump
11/26/2013CA2686508C Process and process line for the preparation of hydraulic fracturing fluid
11/23/2013CA2786269A1 Fluid level control mechanism
11/23/2013CA2777966A1 Solvent injection plant for enhanced oil recovery and method of operating same
11/21/2013WO2013173725A2 Liquefied industrial gas based solution in hydraulic fracturing
11/21/2013WO2013173634A1 In-situ method and system for removing heavy metals from produced fluids
11/21/2013WO2013173600A2 Methods for protecting a hydrocarbon-producing zone of a subterranean formation using a relative permeability modifier
11/21/2013WO2013173404A1 System and method for performing a perforation operation
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