Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
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)
09/2010
09/21/2010US7798220 In situ heat treatment of a tar sands formation after drive process treatment
09/21/2010US7798219 liposomes and fluids overcome by-pass of water through oil and thereby increase supplemental recovery efficiency (RE) production of oil from the underground source; involves modifying liposomes by peroxidation and/or a procedure which processes phosphatidylethanolamine (PE) to phosphatidylcholine
09/21/2010US7798218 Apparatus and a method of fragmenting hard particles
09/21/2010US7798217 Apparatus for separating a mixture of liquids of differing specific gravities in a wellbore
09/21/2010US7798215 Device, method and program product to automatically detect and break gas locks in an ESP
09/21/2010US7798211 Passive gas separator for progressing cavity pumps
09/21/2010CA2587190C Method of cementing expandable well tubing
09/21/2010CA2568230C Submersible pump
09/21/2010CA2552421C Aggregating reagents, modified particulate metal-oxides, and methods for making and using same
09/21/2010CA2515296C Methods and apparatus for wellbore construction and completion
09/21/2010CA2504302C Sand plunger
09/21/2010CA2436924C Stuffing box for progressing cavity pump drive
09/21/2010CA2406742C A method for treating a hydrocarbon containing formation
09/20/2010CA2697424A1 Method and apparatus for perforating multiple wellbore intervals
09/17/2010CA2696512A1 A method for reducing thermal loss in a formation
09/16/2010WO2010104634A2 System and method for dynamically adjusting the center of gravity of a perforating apparatus
09/16/2010WO2010104495A1 Truck-mounted pumping system for treating a subterranean formation via a well with a mixture of liquids
09/16/2010WO2010104410A1 Method for controlling the permeability of a heterogeneous oil stratum
09/16/2010WO2010103275A1 Fluid injection
09/16/2010WO2010102905A1 Drain liquid relief system for a subsea compressor and a method for draining the subsea compressor
09/16/2010WO2010077666A3 Improved submersible pump motor cooling through external oil circulation
09/16/2010WO2010074997A3 Improved heat transfer through the electrical submersible pump
09/16/2010WO2010065548A3 Method for the enhancement of injection activities and stimulation of oil and gas production
09/16/2010WO2010064010A3 Apparatus and method for servicing a wellbore
09/16/2010WO2009118467A8 Method of installing an underwater riser
09/16/2010WO2009087068A3 Method of expanding a tubular element in a wellbore
09/16/2010US20100232880 Systems and methods for underground storage of biogas
09/16/2010US20100230163 System and Method for Dynamically Adjusting the Center of Gravity of a Perforating Apparatus
09/16/2010US20100230114 Wireline run fracture isolation sleeve and plug and method of operating same
09/16/2010US20100230112 Multi-Channel, Combination Coiled Tubing Strings for Hydraulically Driven Downhole Pump
09/16/2010US20100230111 Tool and method for extracting landfill gas
09/16/2010US20100230110 Well unloading package
09/16/2010US20100230106 Relative Permeability Modification
09/16/2010US20100230105 Perforating with wired drill pipe
09/16/2010US20100230104 Method for completing a borehole
09/16/2010US20100230103 Plug for a Perforated Liner and Method of Using Same
09/16/2010US20100230099 Methods for Improving Low-Quality Proppant and Method of Using Low-Quality Proppant in Subterranean Operations
09/16/2010US20100230098 One Trip Gravel Pack Assembly
09/16/2010US20100230097 Hydrocarbon production process
09/16/2010US20100230096 Process to increase the area of microbial stimulation in methane gas recovery in a multi seam coal bed/methane dewatering and depressurizing production system through the use of horizontal or multilateral wells
09/16/2010US20100230095 Method For Reservoir Fracture and Cross Beds Detection Using Tri-Axial/Multi-Component Resistivity Anisotropy Measurements
09/16/2010US20100230091 Hydraulically Actuated Downhole Pump with Gas Lock Prevention
09/16/2010US20100230090 Low Cost Rigless Intervention and Production System
09/16/2010US20100230089 Downhole system and an immersion hydraulic machine for extraction of fluids
09/16/2010CA2759304A1 System and method for dynamically adjusting the center of gravity of a perforating apparatus
09/16/2010CA2759161A1 System and method for dynamically adjusting the center of gravity of a perforating apparatus
09/16/2010CA2759159A1 System and method for dynamically adjusting the center of gravity of a perforating apparatus
09/16/2010CA2754927A1 Fluid injection
09/16/2010CA2752959A1 System and method for dynamically adjusting the center of gravity of a perforating apparatus
09/16/2010CA2727519A1 Truck-mounted pumping system for treating a subterranean formation via a well with a mixture of liquids
09/15/2010EP2228514A1 Improving crude oil production from a layered oil reservoir
09/15/2010EP2228513A2 Wireline run fracture isolation sleeve and plug and method of operating same
09/15/2010CN201584851U Motor pusher
09/15/2010CN201581919U Mining rapid high-pressure anti-skid injection and extraction device
09/15/2010CN201581892U Special pressure sensor for petroleum drilling, crushing and well cementation
09/15/2010CN201581885U Wellhead sump oil retriever
09/15/2010CN201581884U Simple separator for coal bed gas well extraction
09/15/2010CN201581883U High-efficiency sand flushing device
09/15/2010CN201581882U Steam injection packoff device for thick oil thermal production well
09/15/2010CN201581881U Injection-production integral tubular column of thickened oil pressure-exempting well
09/15/2010CN201581880U Micro-computer numerical control medicine feeding device
09/15/2010CN201581879U High-pressure water distribution device
09/15/2010CN201581878U Cast-free dead-opening eccentric water distributor
09/15/2010CN201581877U Same-well multi-layer injection-production technical tubing string
09/15/2010CN201581876U Large aperture ultra-deep penetrating perforator for oil and gas wells
09/15/2010CN201581875U Deep penetration hydraulic abrasive-perforating and sand-mulling stirring device
09/15/2010CN201581874U Skid-mounted water-dissolution mining technological process converting and monitoring device
09/15/2010CN201581873U Belt pumping unit dust-proof device
09/15/2010CN201581872U Combined tool for quickly balancing pumping well
09/15/2010CN201581871U Coal bed gas extraction pump return water device
09/15/2010CN201581870U Steel wire rope protector of pumping unit
09/15/2010CN1820121B A pipe separator with improved separation
09/15/2010CN101835957A Process for recovering heavy oil utilizing one or more membranes
09/15/2010CN101835956A Compositions and methods for treating a water blocked well
09/15/2010CN101835955A Multi-function indicating tool
09/15/2010CN101835954A Process for removing silica in heavy oil recovery
09/15/2010CN101835871A Installation for enhanced oil recovery using water-soluble polymers, method implementing same
09/15/2010CN101832553A Water injection type high-pressure combustion method
09/15/2010CN101832552A Water injection type high-pressure combustor
09/15/2010CN101832149A Method for extracting coal seam gas by underground heat injection
09/15/2010CN101832123A Continuous multi-directional concentrated energy perforating bullet
09/15/2010CN101832122A Three-pressure state perforation experiment target
09/15/2010CN101832121A Horizontal well circulating gravel packing sand retention device
09/15/2010CN101832105A Method for well drilling and cementing of radial horizontal well with ultra-short radius and equipment thereof
09/15/2010CN101435320B Non-reagent ground dipping uranium extracting process flow
09/15/2010CN101412980B Spindle bacillus and use thereof
09/14/2010US7795188 contacting zirconium triethanolamine complex with mixture of polyols comprising hydroxyalkylated diamine and hydrocarbon polyol; oil fields, hydraulic fracturing and plugging of permeable zones of subterranean formations; well bores
09/14/2010US7795186 Fluid-loss control pills comprising breakers that comprise orthoesters and/or poly(orthoesters) and methods of use
09/14/2010US7795185 Magnesium peroxide difunctional components for cellulose derivatives and associated methods
09/14/2010US7793728 Gas lift plunger arrangement
09/14/2010US7793727 Low rate gas injection system
09/14/2010US7793726 Marine riser system
09/14/2010US7793725 Method for preventing overpressure
09/14/2010US7793724 Subsea manifold system
09/14/2010US7793722 Non-ferromagnetic overburden casing
09/14/2010US7793721 Apparatus for radially expanding and plastically deforming a tubular member
09/14/2010US7793720 Producer well lugging for in situ combustion processes
09/14/2010US7793714 Device and system for well completion and control and method for completing and controlling a well
09/14/2010CA2654762C Methods and equipment to improve reliability of pinpoint stimulation operations
09/14/2010CA2621991C Method and system for generating steam in the oil industry
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