| 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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| 07/26/2006 | EP1682747A1 Well control and monitoring system using high temperature electronics |
| 07/26/2006 | EP1611508A4 Performance prediction method for hydrocarbon recovery processes |
| 07/26/2006 | EP1483478B1 Double-cone device and pump |
| 07/26/2006 | EP1466074B1 Apparatus and method for horizontal subsea connection |
| 07/26/2006 | EP1276967B1 A method for treating a hydrocarbon containing formation |
| 07/26/2006 | CN2799906Y Big flow channel and long plunger type sand-control oil well pump |
| 07/26/2006 | CN2799902Y Chain driven pumping unit |
| 07/26/2006 | CN2799859Y Apparatus for controlling water injection amount in single well when metering |
| 07/26/2006 | CN2799858Y Well mouth gas control and recovery apparatus |
| 07/26/2006 | CN2799857Y Well mouth filtering device for high pressure water flooding |
| 07/26/2006 | CN2799856Y Balancing type petroleum extraction unit with two oil extraction machines |
| 07/26/2006 | CN2799855Y Bump device for oilfield pumping well |
| 07/26/2006 | CN1809683A Expander system for stepwise expansion of a tubular element |
| 07/26/2006 | CN1807888A Wind and electricity hybrid driving method and apparatus for sucker rod pump |
| 07/26/2006 | CN1807832A Sieve tube simulating experiment device |
| 07/26/2006 | CN1266369C Method of improving permeability of underground petroleum-containing formation |
| 07/26/2006 | CA2528304A1 Mobile gas separation unit |
| 07/26/2006 | CA2494051A1 Lightweight proppant and method of making same |
| 07/25/2006 | US7080692 Plunger lift tool and method of using the same |
| 07/25/2006 | US7080691 Plunger lift tool and method of using the same |
| 07/25/2006 | US7080690 Method and apparatus using traction seal fluid displacement device for pumping wells |
| 07/25/2006 | US7080688 Compositions and methods for degrading filter cake |
| 07/25/2006 | US7080686 Devices and methods for extraction, transportation and/or release of material |
| 07/25/2006 | CA2358555C Steam injection pressure in a steam-assisted gravity drainage process |
| 07/25/2006 | CA2286014C Pressure impulse telemetry apparatus and method |
| 07/20/2006 | WO2006076666A1 System and method for enhancing permeability of a subterranean zone at a horizontal well bore |
| 07/20/2006 | WO2006076547A2 System and method for producing fluids from a subterranean formation |
| 07/20/2006 | WO2006076526A1 Gravel pack shut tube with control line retention and method for retaining control |
| 07/20/2006 | WO2006075913A1 System for power supply to subsea installations |
| 07/20/2006 | WO2006075154A1 Degradable polymers for wellbore fluids and processes |
| 07/20/2006 | WO2006074578A1 Oil-pumping workover rig |
| 07/20/2006 | WO2006074555A1 Hydrocarbon recovery facilitated by in situ combustion utilizing horizontal well pairs |
| 07/20/2006 | WO2006074554A1 In situ combustion in gas over bitumen formations |
| 07/20/2006 | WO2006039362A3 Process for downhole heating |
| 07/20/2006 | US20060157257 Fluid flow control device and method for use of same |
| 07/20/2006 | US20060157248 Well treatment with dissolvable polymer |
| 07/20/2006 | US20060157243 Methods for fracturing subterranean wells |
| 07/20/2006 | US20060157242 System and method for producing fluids from a subterranean formation |
| 07/20/2006 | US20060157241 System for injecting water, collected from subterranean aquifers and injector wells, into oil reservoirs |
| 07/20/2006 | US20060157238 Inhibiting breakthrough of driving fluid via a permeable geological layer into an oil production well |
| 07/20/2006 | US20060157237 Well and method for regenerating a well |
| 07/19/2006 | EP1680573A1 Expandable wellbore assembly |
| 07/19/2006 | EP1540128A4 Interposed joint sealing layer method of forming a wellbore casing |
| 07/19/2006 | CN2797625Y Low pressure back washing type walnut sheel filter |
| 07/19/2006 | CN2797624Y Waste-oil waste-water recovery equipment |
| 07/19/2006 | CN2797623Y Sand-proof separator |
| 07/19/2006 | CN2797622Y Abnormal tapered valve flow-rate regulator |
| 07/19/2006 | CN2797621Y Sefety protection rail for beam oil pumping machine |
| 07/19/2006 | CN2797616Y Combination type well head device with electric pump flow-rate regulating function |
| 07/19/2006 | CN2797611Y Straight-through type fracture wellhead casing protector |
| 07/19/2006 | CN1806091A System and method for transmitting electric power into a bore |
| 07/19/2006 | CN1806090A Methods of treating a subterranean formation to convert organic matter into producible hydrocarbons |
| 07/19/2006 | CN1806088A Lightweight and compact subsea intervention package and method |
| 07/19/2006 | CN1804458A Gas-water co-regulating method for monitoring and controlling steam dryness of steam injection boiler of oilfield |
| 07/19/2006 | CN1804372A Portable infrared logging instrument for drilling well |
| 07/19/2006 | CN1804368A Uniform distribution type sand control device for downhole oil extraction device |
| 07/19/2006 | CN1804367A Sleeved sand control device for downhole oil extraction device |
| 07/19/2006 | CN1804366A High-temperature high-pressure combustion system of sub-critical composite heat carrier generator |
| 07/19/2006 | CN1265097C Screw pump rotor machining process |
| 07/18/2006 | US7079952 System and method for real time reservoir management |
| 07/18/2006 | US7078370 Biodegradable chelant compositions for fracturing fluid |
| 07/18/2006 | US7077219 Foamed treatment fluids and associated methods |
| 07/18/2006 | US7077214 Expansion set packer with bias assist |
| 07/18/2006 | US7077213 Expansion cone for radially expanding tubular members |
| 07/18/2006 | US7077211 Method of creating a casing in a borehole |
| 07/18/2006 | US7077210 Expansion method |
| 07/18/2006 | US7077207 Double-cone device and pump |
| 07/18/2006 | US7077202 Process for the recovery of oil from a natural oil reservoir |
| 07/18/2006 | US7077201 Water treatment method for heavy oil production |
| 07/18/2006 | US7077199 In situ thermal processing of an oil reservoir formation |
| 07/18/2006 | US7077198 In situ recovery from a hydrocarbon containing formation using barriers |
| 07/18/2006 | US7077197 Expandable tubular connection |
| 07/18/2006 | US7077196 Expandable downhole tubular and method of use |
| 07/18/2006 | CA2483796C Coiled tubing having multiple strings of smaller tubing embedded therein |
| 07/18/2006 | CA2381281C Apparatus for optimizing production of multi-phase fluid |
| 07/18/2006 | CA2371420C Apparatus and method for controlling fluid flow in a wellbore |
| 07/18/2006 | CA2365310C Wellbore primary barrier and related systems |
| 07/18/2006 | CA2253574C Multi-lateral wellbore systems and methods for forming same |
| 07/18/2006 | CA2197360C Biopolymer/oil suspension compositions utilized in aqueous-based fluids used in the oil service industry including completion and drilling fluids |
| 07/14/2006 | CA2532748A1 Loading and offloading system |
| 07/14/2006 | CA2511371A1 Method of running a down hole rotary pump |
| 07/13/2006 | WO2006074042A2 Well production optimizing system |
| 07/13/2006 | WO2006074017A2 Floating head reaction turbine rotor with improved jet quality |
| 07/13/2006 | WO2006073780A2 Remote delivery of latex drag-reducing agent |
| 07/13/2006 | WO2006072616A1 Method of expanding a tubular element in a wellbore |
| 07/13/2006 | WO2004089608A3 Apparatus for radially expanding and plastically deforming a tubular member |
| 07/13/2006 | US20060153720 Pump for tail production of oil |
| 07/13/2006 | US20060151211 Transmitting electric power into a bore hole |
| 07/13/2006 | US20060151178 Gas operated pump for hydrocarbon wells |
| 07/13/2006 | US20060151177 Equalizing flapper for high slam rate applications |
| 07/13/2006 | US20060151173 Methods and compositions for enhancing guar hydration rates and performing guar derivitization reactions |
| 07/13/2006 | US20060151172 Methods of making and using sulfonated carboxylated polysaccharide gelling agents |
| 07/13/2006 | US20060151170 Method of stimulating oil and gas wells using deformable proppants |
| 07/13/2006 | US20060151169 Method of treating subterranean formations to enhance hydrocarbonproduction using proppants |
| 07/13/2006 | US20060151168 Methods of preparing and using coated particulates |
| 07/13/2006 | US20060151167 System and a method for prediction and treatment of slugs being formed in a flow line or wellbore tubing |
| 07/13/2006 | US20060151166 Selective electromagnetic production tool |
| 07/13/2006 | US20060150814 Method and plant for the purification of produced water |
| 07/13/2006 | DE102005058058A1 Hydrauliksteuersystem The hydraulic control system |
| 07/13/2006 | CA2492306A1 In situ combustion following primary recovery processes utilizing horizontal well pairs in oil sands and heavy oil reservoirs |