| 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) |
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| 01/21/2010 | WO2010009110A2 System and method for sub-cooling hydrocarbon production fluid for transport |
| 01/21/2010 | WO2010009025A2 Fracturing method for subterranean reservoirs |
| 01/21/2010 | WO2010008382A1 Apparatus and method for generating power downhole |
| 01/21/2010 | WO2009129218A3 Systems and methods for producing oil and/or gas |
| 01/21/2010 | US20100012331 Preconditioning An Oilfield Reservoir |
| 01/21/2010 | US20100012325 System and method for sub-cooling hydrocarbon production fluid for transport |
| 01/21/2010 | US20100012324 Top filling tubing |
| 01/21/2010 | US20100012323 Bead pack brazing with energetics |
| 01/21/2010 | US20100012322 Whipstock |
| 01/21/2010 | US20100012321 Communicating through a barrier in a well |
| 01/21/2010 | US20100012318 Completion assembly |
| 01/21/2010 | US20100012312 Through tubing perforating gun |
| 01/21/2010 | US20100011945 Adapter for shaped charge casing |
| 01/21/2010 | US20100011944 Perforation Gun System for Sealing Penetration Holes |
| 01/21/2010 | DE202009012936U1 Strömungs-Kontroll-Filter Flow control filter |
| 01/21/2010 | CA2730365A1 Systems and methods for producing oil and/or gas |
| 01/21/2010 | CA2730359A1 Systems and methods for producing oil and/or gas |
| 01/21/2010 | CA2730284A1 Systems and methods for producing oil and/or gas |
| 01/21/2010 | CA2730130A1 Adapter for shaped charge casing |
| 01/21/2010 | CA2725305A1 Fracturing method for subterranean reservoirs |
| 01/20/2010 | EP2146049A2 Autonomous inflow restrictors for use in a subterranean well |
| 01/20/2010 | CN201386551Y Jet type sump oil and waste water recovery environmental protection device |
| 01/20/2010 | CN201386550Y Mixed gas injection device for heavy oil combustion |
| 01/20/2010 | CN201386549Y Clamp spring type high pressure resistant perforating bullet without gun body |
| 01/20/2010 | CN201386548Y Stainless steel dense bridge-like sieve tube |
| 01/20/2010 | CN201386547Y High-precision stainless steel composite sieve pipe |
| 01/20/2010 | CN201386546Y Punching-winding two-stage sieve pipe |
| 01/20/2010 | CN201386545Y Anticollision distance adjuster of pincer type pumping unit |
| 01/20/2010 | CN201386544Y Environmental protection umbrella for oil extractor and well mouth |
| 01/20/2010 | CN201386539Y Fracture used high-pressure sand blast sliding sleeve |
| 01/20/2010 | CN201386532Y Blowout preventer cover hydraulic drawing-type double-gate segment blowout preventer |
| 01/20/2010 | CN101631930A Heating an organic-rich rock formation in situ to produce products with improved properties |
| 01/20/2010 | CN101629486A Clean fracturing flowback fluid recovery, oil displacement and blockage removal process |
| 01/20/2010 | CN101629485A Exploitation method of communication well of geothermal energy bore well |
| 01/20/2010 | CN101629484A Resource recycling method of waste ammonium alkali liquid for well injection and brine extraction of sodium sulfate type salt mine |
| 01/20/2010 | CN101629483A Power balance oil extractor |
| 01/20/2010 | CN101629482A Modulation wave pumping rod electrical-heating oil extraction device |
| 01/19/2010 | US7648946 Methods of degrading filter cakes in subterranean formations |
| 01/19/2010 | US7648378 Pipestring comprising composite pipe segments |
| 01/19/2010 | US7647976 System and method for steam-assisted gravity drainage (SAGD)-based heavy oil well production |
| 01/19/2010 | US7647975 Gas lift valve assembly |
| 01/19/2010 | US7647974 Large bore modular production tree for subsea well |
| 01/19/2010 | US7647972 Fracturing fluid is injected into well to form fracture at depth of subsurface formation, providing fluid communication between first and second depths in well; cooling fluid is circulated under pressure through well into fracture to cause fluid to flow into subsurface formations, lowering temperature |
| 01/19/2010 | US7647969 Method for growth of a hydraulic fracture along a well bore annulus and creating a permeable well bore annulus |
| 01/19/2010 | US7647968 Screen saver sub |
| 01/19/2010 | US7647967 Drilling and opening reservoir using an oriented fissure to enhance hydrocarbon flow and method of making |
| 01/19/2010 | US7647966 Method for drainage of heavy oil reservoir via horizontal wellbore |
| 01/19/2010 | CA2434345C Aqueous viscoelastic fluid |
| 01/19/2010 | CA2433770C Sampling of hydrocarbons from geological formations |
| 01/19/2010 | CA2406490C Technique utilizing an insertion guide within a wellbore |
| 01/14/2010 | WO2010006327A2 Method of making wellbore moineau devices |
| 01/14/2010 | WO2010005990A2 Enhanced geothermal systems and reservoir optimization |
| 01/14/2010 | WO2010005632A2 Flow control in a well bore |
| 01/14/2010 | WO2010005312A1 Method for controlling a subsea cyclone separator |
| 01/14/2010 | WO2010004036A1 Method for sealing off a water zone in a production well downhole and a sealing arrangement |
| 01/14/2010 | WO2009142845A3 Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids |
| 01/14/2010 | WO2009142798A3 Methods for regulating flow in multi-zone intervals |
| 01/14/2010 | WO2009050517A3 Method of and apparatus for completing a well |
| 01/14/2010 | US20100006488 Well Fluid Separator Tank for Separation of Fluid Comprising Water, Oil and Gas, Use of Such a Tank, and a Method for Separating a Well Fluid Including Water, Oil, and Gas |
| 01/14/2010 | US20100006300 Flexible hang-off arrangement for a catenary riser |
| 01/14/2010 | US20100006299 Dual Subsea Production Chokes for HPHT Well Production |
| 01/14/2010 | US20100006297 Pipe string device for conveying a fluid from a well head to a vessel |
| 01/14/2010 | US20100006296 Lock Open and Control System Access Apparatus for a Downhole Safety Valve |
| 01/14/2010 | US20100006293 Fracturing method for subterranean reservoirs |
| 01/14/2010 | US20100006292 Methods and Systems for Determination of Fluid Invasion in Reservoir Zones |
| 01/14/2010 | US20100006291 Method of cooling a multiphase well effluent stream |
| 01/14/2010 | US20100006287 Device For The Thermal Stimulation Of Gas Hydrate Formations |
| 01/14/2010 | US20100006286 Composition of microemulsion and method for advanced recovery of heavy oil |
| 01/14/2010 | US20100006285 Sustainable method for recovery of petroleum |
| 01/14/2010 | US20100006283 Hydrocarbon recovery process |
| 01/14/2010 | US20100006281 Harvesting hydrocarbons and water from methane hydrate deposits and shale seams |
| 01/14/2010 | US20100006193 Application of high temperature explosive to downhole use |
| 01/14/2010 | US20100005643 Tubing connection arrangement |
| 01/14/2010 | CA2822128A1 Carbon removal from an integrated thermal recovery process |
| 01/14/2010 | CA2725284A1 Method for sealing off a water zone in a production well downhole and a sealing arrangement |
| 01/13/2010 | EP2143876A1 Method for sealing off a water zone in a production well downhole and a sealing arrangement |
| 01/13/2010 | EP2142759A2 A method for the fracture stimulation of a subterranean formation having a wellbore by using thermoset polymer nanocomposite particles as proppants, where said particles are prepared by using formula tions containing reactive ingredien ts obtained or derived from renewable feedstocks |
| 01/13/2010 | EP2142758A1 Parallel heater system for subsurface formations |
| 01/13/2010 | EP2142757A2 Power lift generator |
| 01/13/2010 | EP2142756A1 Downhole apparatus and method |
| 01/13/2010 | EP2142616A1 Aqueous particulate slurry compositions and methods of making same |
| 01/13/2010 | CN201383792Y Control circuit for pumping unit |
| 01/13/2010 | CN201381974Y Energy-saving submersible electric pump driven by switched reluctance motor |
| 01/13/2010 | CN201381972Y Clamp spring rod type oil-well pump |
| 01/13/2010 | CN201381971Y Energy-saving thick oil collection and transportation device |
| 01/13/2010 | CN201381970Y Large-flow-passage high-efficient oil-well pump |
| 01/13/2010 | CN201381965Y Anti-vibration device of sampling pump |
| 01/13/2010 | CN201381851Y Water injection well blockage leakage testing device |
| 01/13/2010 | CN201381845Y Wellhead oil-water separation device |
| 01/13/2010 | CN201381844Y Catalyzing device for increasing underground coal gasification gas quality |
| 01/13/2010 | CN201381843Y Dismountable sand blasting device for fracturing |
| 01/13/2010 | CN201381842Y Steam injection anti-scaling and anti-clogging machine for heat insulated tube |
| 01/13/2010 | CN201381841Y Variable-frequency energy-saving control device of oil pumping unit |
| 01/13/2010 | CN201381840Y Large-size long-stroke heavy-load energy-saving oil pumping unit |
| 01/13/2010 | CN201381839Y Rear-mounted triangular rocker type long-stroke oil pumping unit |
| 01/13/2010 | CN201381838Y Oil pumping unit brake locking device |
| 01/13/2010 | CN201381837Y Intelligent energy-saving hydraulic inner balance oil pumping unit for sister wells |
| 01/13/2010 | CN201381836Y Oilfield multiwell short-distance cascading oil collecting device |
| 01/13/2010 | CN201381835Y Flexible automatic reversing intelligent oil pumping unit |
| 01/13/2010 | CN201381834Y Device for locking balance weight of oil pumping unit |