| 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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| 05/22/2009 | WO2009064941A2 Tensioner anti-rotation device |
| 05/22/2009 | WO2009064719A1 Imidazoline-based heterocyclic foamers for downhole injection |
| 05/22/2009 | WO2009064560A1 Water integration between and in-situ recovery operation and a bitumen mining operation |
| 05/22/2009 | WO2009063189A2 Methods for geomechanical fracture modeling |
| 05/22/2009 | WO2009063162A2 Method for stimulating a well using fluid pressure waves |
| 05/22/2009 | WO2009063161A2 Methods to enhance gas production following a relative-permeability-modifier treatment |
| 05/22/2009 | WO2009032589A3 Downhole tubular seal system and method |
| 05/22/2009 | WO2009026229A4 Viscous oil inflow control devices for equalizing screen flow |
| 05/22/2009 | WO2008072087A3 Fluid treatment |
| 05/22/2009 | CA2703883A1 Imidazoline-based heterocyclic foamers for downhole injection |
| 05/21/2009 | US20090131286 Polylactides; pressurization |
| 05/21/2009 | US20090131283 Imidazoline-based heterocyclic foamers for downhole injection |
| 05/21/2009 | US20090127091 Water Treatment Method for Heavy Oil Production |
| 05/21/2009 | US20090126944 System for Radially Expanding and Plastically Deforming a Wellbore Casing |
| 05/21/2009 | US20090126938 Utility skid tree support system for subsea wellhead |
| 05/21/2009 | US20090126935 Gas lift plunger arrangement |
| 05/21/2009 | US20090126934 Kerogen Extraction from Subterranean Oil Shale Resources |
| 05/21/2009 | US20090126932 Reversible polymeric gelation for oilfield applications |
| 05/21/2009 | US20090126929 Treating nahcolite containing formations and saline zones |
| 05/21/2009 | US20090126927 Method and Equipment for the Reduction of Multiple Dispersions |
| 05/20/2009 | EP2059652A2 Method for production optimization in an oil and/or a gas production system |
| 05/20/2009 | EP2059651A1 Polyelectrolyte complexes for oil and gas applications |
| 05/20/2009 | CN201241690Y Oil, water and gas three-phase automatic separated metering device |
| 05/20/2009 | CN201241685Y Well head rapid pressure relief filtering device |
| 05/20/2009 | CN201241684Y Well head oil sand separator |
| 05/20/2009 | CN201241683Y Separated heating structure of thermoelectric composite crude oil processor |
| 05/20/2009 | CN201241682Y Crude oil three-phase separator |
| 05/20/2009 | CN201241681Y Horizontal even acid distributing experimental apparatus |
| 05/20/2009 | CN201241680Y Acid distributing tube with small hole structure |
| 05/20/2009 | CN201241679Y Thick oil horizontal well pipe column |
| 05/20/2009 | CN201241678Y Hydrothermal type pumping rod apparatus |
| 05/20/2009 | CN201241677Y Well head high pressure filter |
| 05/20/2009 | CN201241676Y Well head high pressure filter tube |
| 05/20/2009 | CN201241675Y Remote monitoring apparatus of natural gas machine water injection system |
| 05/20/2009 | CN201241674Y Backwash-proof erosion structure of water power spray sand perforator |
| 05/20/2009 | CN201241673Y Filling type triangular slotting sieve tube |
| 05/20/2009 | CN201241672Y Inner protective cover with vertical rib |
| 05/20/2009 | CN201241671Y High-efficiency liquid lifting device |
| 05/20/2009 | CN201241670Y Wheel type oil pumping machine for regulating speed by switch reluctance motor |
| 05/20/2009 | CN201241669Y Screw rod supercharging gas production apparatus |
| 05/20/2009 | CN201241668Y Integrative energy-saving oil pumping machine |
| 05/20/2009 | CN201241667Y Energy-saving type oil pumping machine |
| 05/20/2009 | CN201241666Y Non-beam type oil pumping machine |
| 05/20/2009 | CN201241665Y Curved beam energy-saving type oil pumping machine |
| 05/20/2009 | CN201241664Y Pipe column for jet pump oil extraction and water injection integrated process |
| 05/20/2009 | CN201241663Y High dryness oil field steam-filling boiler |
| 05/20/2009 | CN201241660Y Water controlling valve for oil extraction |
| 05/20/2009 | CN201241632Y Spring self-switching type Y-shaped joint |
| 05/20/2009 | CN101438027A Method and apparatus for capture and sequester of carbon dioxide and extraction of energy from large land masses during and after extraction of hydrocarbon fuels or contaminants using energy and criti |
| 05/20/2009 | CN101435330A Method for making man-made rock core target |
| 05/20/2009 | CN101435328A Method and device for exploring seabed gas hydrate |
| 05/20/2009 | CN101435327A Uranium well air pumping dredge method |
| 05/20/2009 | CN101435326A Oil conduit conveying type gun perforation explosion-proof gun protection method |
| 05/20/2009 | CN101435325A Gun perforation block cap of oil well perforator and producing method thereof |
| 05/20/2009 | CN101435324A Sectional type oil conduit conveying composite gun perforation process |
| 05/20/2009 | CN101435323A Technological process of making position gun perforation |
| 05/20/2009 | CN101435322A Well completion method of ground dipping uranium extracting process well |
| 05/20/2009 | CN101435321A Horizontal well tube exterior subsection gravel filling sand prevention process and pipe column |
| 05/20/2009 | CN101435320A Non-reagent ground dipping uranium extracting process flow |
| 05/20/2009 | CN101435319A Novel oil pumping machine of oil field |
| 05/20/2009 | CN100489309C Numerically controlled reciprocating submersible pump apparatus |
| 05/20/2009 | CN100489308C Cable-free oil submersible electric pump |
| 05/20/2009 | CN100489266C Method for detecting fluid-channeling channel of oil field |
| 05/20/2009 | CN100489264C Eccentric wear prevention oil-well pump |
| 05/19/2009 | US7534745 Gelled invert emulsion compositions comprising polyvalent metal salts of an organophosphonic acid ester or an organophosphinic acid and methods of use and manufacture |
| 05/19/2009 | US7534354 Combined degassing and flotation tank |
| 05/19/2009 | US7534096 Method and system for improving pump efficiency and productivity under power disturbance conditions |
| 05/19/2009 | US7533730 Variable and slow speed pumping unit |
| 05/19/2009 | US7533726 Method of increasing gas well production |
| 05/19/2009 | US7533725 Method and system for altering pore pressure in a fracturing operation |
| 05/19/2009 | US7533723 Well bore treatment fluid |
| 05/19/2009 | US7533722 Surge chamber assembly and method for perforating in dynamic underbalanced conditions |
| 05/19/2009 | CA2597137C Foaming agents for use in coal seam reservoirs |
| 05/19/2009 | CA2537819C Methods for enhancing the consolidation strength of resin coated particulates |
| 05/19/2009 | CA2536853C Methods of treating subterranean formations using derivatized gelling agents |
| 05/19/2009 | CA2536797C Systems and methods for treating a subterranean formation using carbon dioxide and a crosslinked fracturing fluid |
| 05/19/2009 | CA2532303C Methods for fracturing subterranean wells |
| 05/19/2009 | CA2481639C Improving reservoir communication by creating a local underbalance and using treatment fluid |
| 05/19/2009 | CA2420050C Method and well tool for gravel packing a well using low viscosity fluids |
| 05/19/2009 | CA2373498C Pressure sensor assembly for wellbore |
| 05/19/2009 | CA2337122C Method of controlling particulate flowback in subterranean wells and introducing treatment chemicals |
| 05/14/2009 | WO2009061552A1 Integration of an in-situ recovery operation with a mining operation |
| 05/14/2009 | WO2009061387A2 Wellsite measurement and control while producing device |
| 05/14/2009 | WO2009060410A2 Methods for manipulation of air flow into aquifers |
| 05/14/2009 | WO2009060408A2 Methods for manipulation of the flow of fluids in subterranean formations |
| 05/14/2009 | WO2009060252A1 Method of influence on a fluid of oil deposits at an oil recovery |
| 05/14/2009 | WO2009060177A1 Method of injecting carbon dioxide |
| 05/14/2009 | WO2009059794A1 Water-storing and water-cleaning system |
| 05/14/2009 | WO2009018560A3 Thrust and intake chamber for pump |
| 05/14/2009 | WO2009016280A3 Method of recovering oil or bitumen by injection of a recovery fluid and of a diverting agent |
| 05/14/2009 | WO2008152289A3 Bottom-surface linking equipment including a flexible link between a floating support and the upper end of an under-surface rigid duct |
| 05/14/2009 | WO2008152288A3 Bottom-surface connection installation comprising an elastic damping device absorbing the tension of the top end of a rigid subsurface pipe |
| 05/14/2009 | WO2007111642A3 Systems , methods , and processes for use in treating subsurface formations |
| 05/14/2009 | US20090125288 Hydrocarbon Recovery From a Hydrocarbon Reservoir |
| 05/14/2009 | US20090121720 Method for controlled source electromagnetic reconnaissance surveying |
| 05/14/2009 | US20090120647 Flow restriction apparatus and methods |
| 05/14/2009 | US20090120646 Electrically isolating insulated conductor heater |
| 05/14/2009 | US20090120645 System and Method for Forming Cavities in a Well |
| 05/14/2009 | US20090120642 Methods to enhance gas production following a relative-permeability-modifier treatment |
| 05/14/2009 | US20090120641 Well Flow Control Systems and Methods |