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)
12/2010
12/09/2010CA2764357A1 Ground water purification plant based on biological oxidation and reduction processes
12/09/2010CA2764318A1 Methods and compositions for viscosifying heavy aqueous brines
12/09/2010CA2764311A1 No-go tag systems and methods for progressive cavity pumps
12/09/2010CA2763847A1 Method and system for configuring crude oil displacement system
12/09/2010CA2763735A1 Permeability flow balancing within integral screen joints
12/09/2010CA2763723A1 Permeability flow balancing within integral screen joints
12/09/2010CA2763721A1 Permeability flow balancing within integral screen joints and method
12/09/2010CA2763162A1 Hydraulic oilfield lift pump
12/08/2010EP2258921A1 Actuator for well-haed valve or other similar applications and system incorporating same
12/08/2010EP2257689A1 A well screen
12/08/2010CN201667545U Power supply device for utilizing solar energy and wind energy as drive energy of pumping unit
12/08/2010CN201666571U Water injection type high-pressure burner
12/08/2010CN201666147U Three-dimensional physical simulation device main body
12/08/2010CN201666146U Physical testing model testing system for evaluating sand prevention techniques for vertical wells
12/08/2010CN201666145U Well drilling waste mud and ceramic separating unit
12/08/2010CN201666144U Tracking and balancing device for oil pumping unit
12/08/2010CN201666138U Water-injection gas-exhaustion well sealing device of coal bed gas well
12/08/2010CN1973112B Screen for controlling inflow of solid particles in a wellbore
12/08/2010CN1930920B Extracting and processing hydrocarbon-bearing formations
12/08/2010CN1708632B Method for fracturing well cylinder penetrated underground stratum by delayed acid
12/08/2010CN1491315B Modelling method of reservoir stimulation treatment
12/08/2010CN101910556A Conductivity enhancing structures for use with proppants in oil and gas wells
12/08/2010CN101910555A Casing expanding tool
12/08/2010CN101910554A Method of drilling a wellbore
12/08/2010CN101910553A Sand control screen assembly and method for use of same
12/08/2010CN101910552A Electric submersible pump (ESP) having a motor with mechanically locked stator laminations
12/08/2010CN101910551A Apparatus for reducing water production in gas wells
12/08/2010CN101907087A Speed reduction/change starter
12/08/2010CN101906960A Wire rope-free jointing device of water injection well measurement adjuster
12/08/2010CN101906958A Unattended digital multi-well automatic metering device and method
12/08/2010CN101906955A Oil and gas well underground straddle packing layer-by-layer fracture acidizing tool tubular column structure
12/08/2010CN101906954A Layering sand-control layering oil production integrated pipe column
12/08/2010CN101906953A Vertical long ring rack oil pumping unit
12/08/2010CN101906952A Auxiliary circulatory chip returning device of production vertical well when the coalbed methane well generates radial hydraulically injection
12/08/2010CN101906951A Energy-saving device capable of reducing speed and increasing torque of beam-pumping unit
12/08/2010CN101906945A Hydraulic expansion hanger for expandable screen pipes
12/08/2010CN101906944A Burglarproof steel wire rope clamp and special opening-closing tool thereof
12/08/2010CN101906943A Burglarproof hook and special opening-closing tool thereof
12/08/2010CN101906289A Winterizing agents for oil base polymer slurries and method for making an using same
12/08/2010CN101476458B Oil pool development simulation system, oil pool model body and its data processing method
12/08/2010CN101446281B Drainage device for coal bed gas well electric submersible centrifugal pump
12/08/2010CN101328880B Oil well pump
12/08/2010CN101305187B System and method for optimizing down-hole fluid yield
12/08/2010CN101161987B Combustion soaking heavy crude producing technique
12/07/2010USRE41979 Flow control apparatus and method
12/07/2010US7848895 Predicting changes in hydrofrac orientation in depleting oil and gas reservoirs
12/07/2010US7846879 Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids
12/07/2010US7846878 Friction reducer performance in water containing multivalent ions
12/07/2010US7846877 forming a treatment fluid for oil well, comprising an aqueous solution of water; a polysaccharide (xanthan, diutan) a chloride or bromide salt of a metal such as sodium, calcium, or zinc; and urea; introducing the treatment fluid into the well; controlled urea concentration to make solution filtrable
12/07/2010US7845422 Method and apparatus for expanding a tubular member
12/07/2010US7845421 Downhole tubular expansion tool and method
12/07/2010US7845416 Hydraulic sleeve valve with position indication, alignment, and bypass
12/07/2010US7845414 placing a catalyst comprising a transition metal or alloy (e.g. Mo, Ni, Co, Fe, Pd, W or alloy) into the formation, injecting a stimulation gas ( He, N2, CO2, Ar) with less than 1 ppm O2 ('anoxic') into the formation, collecting the natural gas generated in the formation from bitumen; disproportionation
12/07/2010US7845413 Method of pumping an oilfield fluid and split stream oilfield pumping systems
12/07/2010US7845411 In situ heat treatment process utilizing a closed loop heating system
12/07/2010US7845410 Openhole perforating
12/07/2010US7845409 Low density proppant particles and use thereof
12/07/2010US7845408 Top drive swivel apparatus and method
12/07/2010US7845407 Profile control apparatus and method for production and injection wells
12/07/2010US7845406 Enhanced oil recovery system for use with a geopressured-geothermal conversion system
12/07/2010US7845403 Biogenic fuel gas generation in geologic hydrocarbon deposits
12/07/2010US7845399 Downhole well pump
12/07/2010CA2607362C Methods to increase recovery of treatment fluid following stimulation of a subterranean formation
12/07/2010CA2594925C Pump control for formation testing
12/05/2010CA2706305A1 Aqueous solution for controlling bacteria in the water used for fracturing
12/05/2010CA2706209A1 Winterizing agents for oil base polymer slurries and method for making and using same
12/05/2010CA2687910A1 Environmentally favorable aqueous solution for controlling bacteria in the water used for fracturing
12/02/2010WO2010138529A1 Method and system of sand management
12/02/2010WO2010138318A1 System and method for monitoring subsea valves
12/02/2010WO2010138214A1 Well filter
12/02/2010WO2010136523A2 Method for monitoring a subsoil zone, particularly during stimulated fracturing operations
12/02/2010WO2010136406A1 Valve
12/02/2010WO2010135826A1 Jet pump and multi-string tubing system for a fluid production system and method
12/02/2010WO2010117265A3 Use of underground gas storage to provide a flow assurance buffer between interlinked processing units
12/02/2010WO2010096417A3 Swellable material activation and monitoring in a subterranean well
12/02/2010WO2010093878A3 Expandable casing with enhanced collapse resistance and sealing capability
12/02/2010WO2010093817A3 Corrugated heating conduit and method of using in thermal expansion and subsidence mitigation
12/02/2010WO2010093810A3 Articulated conduit linkage system
12/02/2010US20100300928 Aqueous compositions for enhanced hydrocarbon fluid recovery and methods of their use
12/02/2010US20100300750 Perforating Apparatus for Enhanced Performance in High Pressure Wellbores
12/02/2010US20100300701 Artificial lift system
12/02/2010US20100300697 Installing an expandable tubular in a subsea wellbore
12/02/2010US20100300696 System and Method for Monitoring Subsea Valves
12/02/2010US20100300695 Plug in pump for inverted shroud assembly
12/02/2010US20100300694 Method for producing an organic composition containing an n-nonyl ether
12/02/2010US20100300693 Enzyme Surfactant Fluids Used in Non-Gel Hydraulic Fracturing of Oil Wells
12/02/2010US20100300692 Apparatus and methods for limiting debris flow back into an underground base pipe of an injection well
12/02/2010US20100300691 Permeability flow balancing within integral screen joints and method
12/02/2010US20100300690 Apparatus and method for increasing the amount of dynamic underbalance in a wellbore
12/02/2010US20100300688 High solids content methods and slurries
12/02/2010US20100300687 Method and system of sand management
12/02/2010US20100300686 Multiple Zone Isolation Method
12/02/2010US20100300683 Real Time Pump Monitoring
12/02/2010US20100300682 Computer-implemented systems and methods for screening and predicting the performance of enhanced oil recovery and improved oil recovery methods
12/02/2010US20100300681 Methods and apparatus for enhanced oil recovery
12/02/2010US20100300680 Biogenic fuel gas generation in geologic hydrocarbon deposits
12/02/2010US20100300679 Hydraulic Oilfield Lift Pump
12/02/2010US20100300677 Modular power source for subsurface systems
12/02/2010US20100300676 Permeability flow balancing within integral screen joints
12/02/2010US20100300675 Permeability flow balancing within integral screen joints
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