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)
10/2011
10/13/2011DE202010015576U1 Vorrichtung zum Transport von Flüssigkeiten in Flüssigkeiten Device for the transport of liquids in liquids
10/13/2011CA2794689A1 Insulated conductor heaters with semiconductor layers
10/13/2011CA2792292A1 Leak detection in circulated fluid systems for heating subsurface formations
10/12/2011EP2374993A1 Downhole data communication
10/12/2011EP2374992A1 A support device
10/12/2011EP2373949A1 Use of barite and carbon fibers in perforating devices
10/12/2011EP2038512B1 Method and system for treating a subterraean formation using diversion
10/12/2011EP2013445B1 Expandable liner hanger
10/12/2011CN202007964U Hydraulic supporting rotary frame device for coal bed fracturing pump
10/12/2011CN202007847U Clamp-type brake of oil pumping unit
10/12/2011CN202007663U Cone barrel-shaped near borehole zone cutting simulation device
10/12/2011CN202007660U Umbrella-shaped screw gas and sand anchor
10/12/2011CN202007659U Oilfield fracturing nonmetal hose elbow
10/12/2011CN202007658U Model enabling real-time observation of oil displacement from core
10/12/2011CN202007657U Underground stirrer
10/12/2011CN202007656U Portable balance block moving device for oil pumping machine
10/12/2011CN202007655U Anti-fracture fastening device novel energy saver of oil pumping machine
10/12/2011CN202007654U Hydraulic pumping unit with pressure compensation device
10/12/2011CN202007653U Novel logging truck and air-conditioning system thereof
10/12/2011CN202007652U Vertical pumping unit adopting pneumatic balance
10/12/2011CN202007651U Automatic balancing device of oil pumping machine
10/12/2011CN1993534B Oilfield enhanced in situ combustion process
10/12/2011CN102216562A Systems and methods for dynamically developing wellbore plans with a reservoir simulator
10/12/2011CN102216561A Thermal recovery of shallow bitumen through increased permeability inclusions
10/12/2011CN102216560A Biogenic fuel gas generation in geologic hydrocarbon deposits
10/12/2011CN102216559A Method for downhole screen manufacturing
10/12/2011CN102216558A Separator for separating sand and rock particles
10/12/2011CN102215931A Separation method and apparatus for immiscible fluids
10/12/2011CN102213090A Method and device for exploiting natural gas hydrate in permafrost region
10/12/2011CN102213089A Method and system for extracting oil from shallow heavy oil reservoir
10/12/2011CN102213088A Microbial oil recovery method
10/12/2011CN102213087A Throughout and displacement combined microbial oil recovery method
10/12/2011CN102213086A Well-cleanout anti-diversion bridge type eccentric water distributor
10/12/2011CN102213085A Installation method of vertical pipe of guide pipe rack
10/12/2011CN102213084A Stroke frequency regulating device of oil pumping machine
10/12/2011CN102213083A Negative pressure perforation and ultra-negative pressure pump suction integrated production process
10/12/2011CN102213077A Coal seam reaming system using three-dimensional (3D) swirling water jet and reaming and fracturing method for permeability enhancement
10/12/2011CN102212357A Preparation and application of water-based fracturing fluid organic zirconium high-temperature stabilizing agent for oil production
10/12/2011CN102212355A Oil extraction composition and method using anti-deposition agent
10/12/2011CN102212349A Micro-coil water plugging agent for high-water-content low-oil-production well and injection method thereof
10/12/2011CN101446186B An phase-change type energy saving and environment protective oil pumping machine converting carbonic anhydride by using heat energy
10/12/2011CA2737191A1 Compositions and method for breaking hydraulic fracturing fluids
10/11/2011US8034750 Borozirconate systems in completion systems
10/11/2011US8033337 Plugging a mined-through well
10/11/2011US8033334 Treating liquids in oil extraction
10/11/2011US8033332 Apparatus and method for perforating and fracturing a subterranean formation
10/11/2011US8033331 Cement diffuser for annulus cementing
10/11/2011US8033328 Downhole electric power generator
10/11/2011CA2668391C In situ recovery from a tar sands formation
10/11/2011CA2651181C Hydraulically actuated submersible pump
10/11/2011CA2621383C Proppant and methods of use
10/11/2011CA2619215C Communicating fluids with a heated-fluid generation system
10/11/2011CA2610009C Fluid loss additive for enhanced fracture clean-up
10/11/2011CA2509945C A plant and a method for increased oil recovery
10/11/2011CA2472284C Protective sleeve for threaded connections for expandable liner hanger
10/11/2011CA2408901C System for acquiring data from a facility and method
10/11/2011CA2367810C Technique of forming expandable devices from cells that may be transitioned between a contracted state and an expanded state
10/10/2011CA2746245A1 System and method for supplying natural gas to a sales line
10/09/2011CA2736672A1 Methods for treating hydrocarbon formations
10/06/2011WO2011123249A2 Method of subterranean formation treatment
10/06/2011WO2011120539A1 Wear-resistant separator for separating sand and rock particles
10/06/2011WO2011120126A1 Improved in-situ combustion recovery process using single horizontal well to produce oil and combustion gases to surface
10/06/2011WO2011090868A3 Single pump focused sampling
10/06/2011WO2011085215A3 Wirelessly actuated hydrostatic set module
10/06/2011WO2011058325A3 Downhole progressive pressurization actuated tool and method of using the same
10/06/2011WO2010101824A8 In situ loop antenna arrays for subsurface hydrocarbon heating
10/06/2011US20110241897 System and method for real time data transmission during well completions
10/06/2011US20110240313 Resettable downhole torque limiter and related methods of use
10/06/2011US20110240312 Permanent cable for submersible pumps in oil well applications
10/06/2011US20110240310 Overlapped Multiple Layer Depth Averaged Flow Model Of A Turbidity Current
10/06/2011US20110240309 Composition suitable for production of foam extinguishants
10/06/2011US20110240297 Low Damage Seawater Based Frac Pack Fluid
10/06/2011US20110240296 Methods Relating to Improved Stimulation Treatments and Strengthening Fractures in Subterranean Formations
10/06/2011US20110240295 Convertible downhole isolation plug
10/06/2011US20110240294 Pipe perforating apparatus and method
10/06/2011US20110240293 Heterogeneous proppant placement in a fracture with removable channelant fill
10/06/2011US20110240292 Methods for Strengthening Fractures in Subterranean Formations
10/06/2011US20110240291 Methods for Strengthening Fractures in Subterranean Formations
10/06/2011US20110240290 Shunt isolation valve
10/06/2011US20110240289 Enhanced Oil Recovery By Polymer Without Supplementary Equipment Or Product
10/06/2011US20110240288 Process and system for blending synthetic and natural crude oils derived from offshore produced fluids
10/06/2011US20110240286 Actuator and tubular actuator
10/06/2011CA2794938A1 Scale inhibitor
10/06/2011CA2793937A1 Reconditioning and reuse of wellbore servicing fluids
10/06/2011CA2789815A1 A mechanical device for dispersing biomass populations
10/05/2011EP2372081A1 Electro-kinetic treatment of a subsurface pore fluid
10/05/2011EP2372080A2 Indexing sleeve for single-trip, multi-stage fracturing
10/05/2011EP2372079A2 Choke assembly
10/05/2011EP2372078A2 Choke assembly
10/05/2011EP2372077A2 Choke assembly
10/05/2011EP2372074A2 Apparatus and methods for running liners in extended reach wells
10/05/2011EP2371924A1 Methods for increase gas production and load recovery
10/05/2011EP2370673A1 Continuous mining
10/05/2011EP2370671A2 Method for perforating failure-prone formations
10/05/2011EP2370670A2 Method for the enhancement of dynamic underbalanced systems and optimization of gun weight
10/05/2011EP2370669A2 Method for perforating a wellbore in low underbalance systems
10/05/2011EP2370668A2 Method for the enhancement of injection activities and stimulation of oil and gas production
10/05/2011EP2370667A1 Method and system for pumping liquid from an offshore natural gas production well
10/05/2011EP2370664A1 Bellows valve
10/05/2011EP2370546A2 Integrated sequence of methods for extracting and processing extra-heavy or bituminous crude oil with co2 tapping