| 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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| 05/07/2008 | CN101173604A Method for horizontal well mixed gas displacing coal-bed gas |
| 05/07/2008 | CN101173603A Sub-surface coalbed methane well enhancement through rapid oxidation |
| 05/06/2008 | US7367750 Riser installation vessel and method of using the same |
| 05/06/2008 | US7367404 Tubing seal |
| 05/06/2008 | US7367401 Ported velocity tube for gas lift operations |
| 05/06/2008 | US7367400 Motor protector and method for chemical protection of same |
| 05/06/2008 | US7367399 Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore |
| 05/06/2008 | US7367398 Device for heating and thermally insulating at least one undersea pipeline |
| 05/06/2008 | US7367395 Sand control completion having smart well capability and method for use of same |
| 05/06/2008 | US7367393 Pressure monitoring of control lines for tool position feedback |
| 05/06/2008 | US7367392 Wellbore apparatus with sliding shields |
| 05/06/2008 | US7367391 Liner anchor for expandable casing strings and method of use |
| 05/06/2008 | US7367390 Slip energized by longitudinal shrinkage |
| 05/06/2008 | US7367389 Tubing expansion |
| 05/06/2008 | CA2475360C Liner top test packer |
| 05/06/2008 | CA2450879C Apparatus for and method of radial expansion of a tubular member |
| 05/06/2008 | CA2427453C Hydraulic running tool with torque dampener |
| 05/06/2008 | CA2419325C Conduction heating aided drainage process for the recovery of heavy oil and bitumen |
| 05/06/2008 | CA2379895C Breaking of oil/water emulsion |
| 05/06/2008 | CA2320164C Apparatus and method for separating oil, water and solids |
| 05/02/2008 | WO2008052021A1 Frac-pack casing saver |
| 05/02/2008 | WO2008051978A1 Method and apparatus for controlling bottom hole pressure in a subterranean formation during rig pump operation |
| 05/02/2008 | WO2008051837A2 In situ heat treatment process utilizing oxidizers to heat a subsurface formation |
| 05/02/2008 | WO2008051836A2 In situ heat treatment process utilizing a closed loop heating system |
| 05/02/2008 | WO2008051834A2 Heating hydrocarbon containing formations in a spiral startup staged sequence |
| 05/02/2008 | WO2008051833A2 Heating hydrocarbon containing formations in a checkerboard pattern staged process |
| 05/02/2008 | WO2008051831A2 Heating hydrocarbon containing formations in a line drive staged process |
| 05/02/2008 | WO2008051830A2 Moving hydrocarbons through portions of tar sands formations with a fluid |
| 05/02/2008 | WO2008051827A2 Heating tar sands formations while controlling pressure |
| 05/02/2008 | WO2008051822A2 Heating tar sands formations to visbreaking temperatures |
| 05/02/2008 | WO2008051495A2 Systems and processes for use in treating subsurface formations |
| 05/02/2008 | WO2008051341A1 Reinforced polymeric siphon tubes |
| 05/02/2008 | WO2008051299A2 Systems and processes for use in treating subsurface formations |
| 05/02/2008 | WO2008051087A1 Sub sea processing system |
| 05/02/2008 | WO2008050645A1 Oil extracting system, and oil extraction monitoring system |
| 05/02/2008 | WO2008050286A1 Degradable material assisted diversion |
| 05/02/2008 | WO2008050127A1 Electrical connector with pressure seal |
| 05/02/2008 | WO2008050103A1 Apparatus and method for injecting fluids in a subterranean location |
| 05/02/2008 | WO2008050095A1 Method and apparatus for removing liquid from a gas well |
| 05/02/2008 | WO2008049826A1 Radially expanding a tubular element |
| 05/02/2008 | WO2008049201A1 Steam generation apparatus and method |
| 05/02/2008 | WO2008033709A3 Tunable surfactants for oil recovery applications |
| 05/02/2008 | WO2008020388A3 Friction reduction fluids |
| 05/02/2008 | CA2667535A1 Oil extraction system and oil extraction supervisory system |
| 05/02/2008 | CA2667425A1 Radially expanding a tubular element |
| 05/02/2008 | CA2667286A1 Functional polymer for enhanced oil recovery |
| 05/02/2008 | CA2667282A1 Electrical connector with pressure seal |
| 05/02/2008 | CA2667274A1 Systems and processes for use in treating subsurface formations |
| 05/02/2008 | CA2667199A1 Method and apparatus for controlling bottom hole pressure in a subterranean formation during rig pump operation |
| 05/02/2008 | CA2667156A1 Degradable material assisted diversion |
| 05/02/2008 | CA2666959A1 Moving hydrocarbons through portions of tar sands formations with a fluid |
| 05/02/2008 | CA2666956A1 Heating tar sands formations to visbreaking temperatures |
| 05/02/2008 | CA2666947A1 Heating tar sands formations while controlling pressure |
| 05/02/2008 | CA2666206A1 In situ heat treatment process utilizing oxidizers to heat a subsurface formation |
| 05/02/2008 | CA2665869A1 In situ heat treatment process utilizing a closed loop heating system |
| 05/02/2008 | CA2665865A1 Heating hydrocarbon containing formations in a spiral startup staged sequence |
| 05/02/2008 | CA2665864A1 Heating hydrocarbon containing formations in a checkerboard pattern staged process |
| 05/02/2008 | CA2665862A1 Heating hydrocarbon containing formations in a line drive staged process |
| 05/02/2008 | CA2662942A1 Sub sea processing system |
| 05/02/2008 | CA2662896A1 Reinforced polymeric siphon tubes |
| 05/02/2008 | CA2649802A1 Systems and processes for use in treating subsurface formations |
| 05/01/2008 | US20080100064 Protective Compression and Tension Sleeves for Threaded Connections for Radially Expandable Tubular Members |
| 05/01/2008 | US20080099241 Characterizing a reservoir in connection with drilling operations |
| 05/01/2008 | US20080099207 Oxidative systems for breaking polymer viscosified fluids |
| 05/01/2008 | US20080099206 Methods and apparatus for injecting fluids at a subterranean location in a well |
| 05/01/2008 | US20080099204 Methods and apparatuses for electronic time delay and systems including same |
| 05/01/2008 | US20080099200 Expandable fluid cement sand control |
| 05/01/2008 | US20080099194 Frac-pack casing saver |
| 04/30/2008 | EP1916380A1 Method and apparatus for removing liquid from a gas well |
| 04/30/2008 | EP1915510A2 Method and apparatus to pump liquids from well |
| 04/30/2008 | EP1915509A1 Pulse width modulated downhole flow control |
| 04/30/2008 | EP1915508A2 Method and apparatus for coupling expandable tubular members |
| 04/30/2008 | EP1787006B1 Method for drilling oil and gas wells |
| 04/30/2008 | EP1639229B1 Apparatus and method for sealing a wellbore |
| 04/30/2008 | CN201053671Y Thick oil thermal recovery injection circulated fluid bed boiler system |
| 04/30/2008 | CN201053391Y Automatic belt tension device for oil pumping machine |
| 04/30/2008 | CN201053388Y Pneumatic hydraulic oil pumping unit |
| 04/30/2008 | CN201053387Y Oil pump synergistic device |
| 04/30/2008 | CN201053312Y Environment-friendly type wax-proof anti-scaling viscosity reduction equipment |
| 04/30/2008 | CN201053311Y High-pressure high-temperature steam, nitrogen and carbon dioxide generator |
| 04/30/2008 | CN201053310Y Horizontal well sectional steam injection pipe column |
| 04/30/2008 | CN201053309Y Down-hole filter for water filling well |
| 04/30/2008 | CN201053308Y Adjustable nozzle tip |
| 04/30/2008 | CN201053307Y Self-elevating drilling platform locking device |
| 04/30/2008 | CN201053306Y Multifunction polish rod pump bumping equipment |
| 04/30/2008 | CN201053305Y Straight line reciprocating oil-submersible rodless double-pump pipe column |
| 04/30/2008 | CN201053304Y Intelligent oil extraction control device |
| 04/30/2008 | CN201053303Y Small capacity low rotating speed energy-saving actuator for low liquid yield well |
| 04/30/2008 | CN201053302Y Oil pipe pumping device |
| 04/30/2008 | CN101171401A Pipe separator |
| 04/30/2008 | CN101171306A Method for making transportable aqueous slurries by particulate hydrophobicization |
| 04/30/2008 | CN101169113A Tube type gas-tight oil-well pump with salvaging standing valve |
| 04/30/2008 | CN101169034A High hole dense perforation pressing crack sand controlling device for oil well |
| 04/30/2008 | CN101169033A Oil extracting system and oil extraction monitoring system |
| 04/30/2008 | CN100385120C Hydraulic self-sealed plunger oil-well pump |
| 04/30/2008 | CN100384972C Use of charged amphiphilic statistic polymers for thickening phases comprising giant micelles of surfactants and aqueous compositions comprising same |
| 04/29/2008 | US7364051 Remote actuator for ball injector |
| 04/29/2008 | US7363986 Annular isolators for expandable tubulars in wellbores |
| 04/29/2008 | US7363983 ESP/gas lift back-up |
| 04/29/2008 | US7363982 Subsea well production flow system |