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)
10/2010
10/06/2010CN201599012U 抽油机 Pumping
10/06/2010CN201599011U 游梁式抽油机平衡块调整安全操作台 Balance beam pumping unit block adjust the security console
10/06/2010CN201599010U 抽油机配重块安全防护罩 Pumping weights safety shield
10/06/2010CN201599009U 滑轮组传动抽油机 Pumping drive pulley
10/06/2010CN201596380U 高效油水分离器 Efficient oil-water separator
10/06/2010CN1575374B Seismic monitoring of in situ conversion in a hydrocarbon containing formation
10/06/2010CN101855421A Heated fluid injection using multilateral wells
10/06/2010CN101855407A Water-storing and water-cleaning system
10/06/2010CN101852424A Vehicle-mounted, movable and skid-mounted smoke three-pass steam-injection boiler
10/06/2010CN101852075A Oil-gas gathering and transferring treatment process of marine marginal oilfield
10/06/2010CN101852074A Method and system for exploiting lamellar super-heavy oil deposit
10/06/2010CN101852073A Novel integration technique for improving recovery ratio of thick oil with high thickness and low yield
10/06/2010CN101852072A Special intelligent motive power device of oil pumping unit
10/06/2010CN101852071A Energy-saving oil extractor
10/06/2010CN101270445B Method for manufacturing fire resistant insulated tubing
10/06/2010CN101216028B Hydraulic power oil pump
10/05/2010US7806669 Pump for pumping fluids
10/05/2010US7806665 Auxiliary braking device for wellhead having progressive cavity pump
10/05/2010US7806188 Methods and apparatus for optimizing well production
10/05/2010US7806187 Connector assembly for connecting a hot stab to a hydraulic hose
10/05/2010US7806186 Submersible pump with surfactant injection
10/05/2010US7806185 Fracturing a subterranean formation using an aqueous treatment fluid including a friction-reducing cationic polymer and an oxidizer as an anticoagulant (crosslinking, gelation inhibition) to prevent flocculation in the well bore; drilling,completion, stimulation fluids; oil wells; efficiency
10/05/2010US7806184 Fluid operated well tool
10/05/2010US7806182 Stimulation method
10/05/2010US7806181 Technique to limit proppant carry-over out of fracture
10/05/2010US7806178 Wire wrap screen manufacturing method
10/05/2010US7806035 Safety vent device
10/05/2010CA2575012C Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil
10/05/2010CA2544643C Expandable sand screen and methods for use
10/05/2010CA2406628C A method for treating a hydrocarbon containing formation
10/01/2010CA2698042A1 Method of isolating a downhole zone for the gathering of data
09/2010
09/30/2010WO2010111638A2 Pressure compensation for a perforating gun
09/30/2010WO2010111507A1 Surfactant amendments for the stimulation of biogenic gas generation in deposits of carbonaceous materials
09/30/2010WO2010110676A2 Subsea cooler and method for cleaning the subsea cooler
09/30/2010WO2010110675A2 Collecting device and system for handling an uncontrolled blow-out
09/30/2010WO2010110674A2 Subsea system with subsea cooler and method for cleaning the subsea cooler
09/30/2010WO2010040790A3 Apparatus and method for deforming the shape of a tubular element
09/30/2010WO2010025155A4 Sand control screen assembly and method for use of same
09/30/2010WO2008154184A3 Removable injection or production flow equalization valve
09/30/2010US20100243323 Pressure compensation for a perforating gun
09/30/2010US20100243277 Apparatus and methods for running liners in extended reach wells
09/30/2010US20100243275 Method of radially expanding a tubular element
09/30/2010US20100243264 Multiphase Conductor Shoe For Use With Electrical Submersible Pump
09/30/2010US20100243263 Multi-Phase Conductor Shoe For Use With Electrical Submersible Pump
09/30/2010US20100243258 Debris catcher for collecting well debris
09/30/2010US20100243256 Bore-hole jet device for formation hydraulic fracturing and horizontal well examination and a method for the operation thereof
09/30/2010US20100243255 Apparatus and Method for Oilfield Material Delivery
09/30/2010US20100243254 Method and apparatus for isolating and treating discrete zones within a wellbore
09/30/2010US20100243253 Method and apparatus for moving a high pressure fluid aperture in a well bore servicing tool
09/30/2010US20100243252 Apparatus and Method for Oilfield Material Delivery
09/30/2010US20100243251 Apparatus and Method for Oilfield Material Delivery
09/30/2010US20100243250 System and method for low damage gravel packing
09/30/2010US20100243249 Method for accelerating start-up for steam assisted gravity drainage operations
09/30/2010US20100243248 Particle Stabilized Emulsions for Enhanced Hydrocarbon Recovery
09/30/2010US20100243247 System, apparatus and process for collecting balls from wellbore fluids containing sand
09/30/2010US20100243246 Water injection systems and methods
09/30/2010US20100243245 Process and apparatus for release and recovery of methane from methane hydrates
09/30/2010US20100243244 Location-and-rotation feedback tool for subsea wellheads and method of operating same
09/30/2010US20100243243 Active In-Situ Controlled Permanent Downhole Device
09/30/2010US20100243242 Method for completing tight oil and gas reservoirs
09/30/2010US20100243241 Detecting Fluids In a Wellbore
09/30/2010US20100243240 Device and method for feeding particles into a stream
09/30/2010US20100243239 Compaction Tolerant Basepipe for Hydrocarbon Production
09/30/2010US20100243238 Wellhead system having resilient device to actuate a load member and enable an over-pull test of the load member
09/30/2010US20100243201 Earth heat transfer loop apparatus
09/30/2010US20100242720 Bimetallic Crosshead
09/30/2010DE202010007532U1 Absaugvorrichtung Suction
09/30/2010CA2756880A1 Surfactant amendments for the stimulation of biogenic gas generation in deposits of carbonaceous materials
09/30/2010CA2755199A1 Dc powered subsea inverter
09/30/2010CA2696248A1 Apparatus and method for oilfield material delivery
09/29/2010EP2233745A1 Drain liquid relief system for a subsea compressor and a method for draining the subsea compressor
09/29/2010EP2233690A1 Fluid injection
09/29/2010EP2233689A1 Integrated method and system for acid gas-lift and enhanced oil recovery using acid gas background of the invention
09/29/2010EP2233688A1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
09/29/2010EP2233687A1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
09/29/2010EP2233686A1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
09/29/2010EP2232010A2 Conductivity enhancing structures for use with proppants in oil and gas wells
09/29/2010EP2232009A2 Zonal isolation of telescoping perforation appartus with memory based material
09/29/2010EP2232008A2 Reducing co2 emissions from oilfield diesel engines
09/29/2010EP2231990A2 Device and method to reduce breakdown/fracture initiation pressure
09/29/2010CN201593409U Desulphurization device with pump priming method
09/29/2010CN201593408U Double-room separation cushioning device
09/29/2010CN201593407U Rock salt gas storage solution mining simulating device
09/29/2010CN201593406U Sand jet perforator structure for improving use life
09/29/2010CN201593405U Integrated tubular column for horizontal well completion and fracturing production
09/29/2010CN201593404U Energy-saving heating device for biomass fuel in thermal recovery wells
09/29/2010CN201593403U Device for pressure swing adsorption of carbon dioxide from boiler flue gas and carbon dioxide liquefying for oil extraction from injection well
09/29/2010CN201593402U Polymer injection well filtering jar puller
09/29/2010CN201593401U Multifunctional anti-scale and anti-blocking device
09/29/2010CN201593400U Energy-saving emission-reducing sleeving device
09/29/2010CN201593399U W type dragging beam-pumping unit
09/29/2010CN201593395U Double-control water injection well mouth check valve
09/29/2010CN201593384U Lining tile direct-injection-type sucker rod stopping and centralizing device
09/29/2010CN1930369B Expander for expanding a tubular element
09/29/2010CN1729346B 水力压裂方法 Hydraulic fracturing method
09/29/2010CN1690358B Method and apparatus for reducing pressure in a perforating gun
09/29/2010CN101849080A Method of using pressure signatures to predict injection well anomalies
09/29/2010CN101845949A Indoor simulation device for testing injection/pressure fall of coal bed methane
09/29/2010CN101845947A High-temperature high-pressure perforation-flow efficiency detecting system
09/29/2010CN101845946A Method for simulating polymer solution shear and special equipment thereof
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