| 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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| 08/04/2010 | CN101796262A Detecting acoustic signals from a well system |
| 08/04/2010 | CN101796261A porous tubular structures |
| 08/04/2010 | CN101796156A Methods for producing oil and/or gas |
| 08/04/2010 | CN101793138A Hydrocyclone and screw pump combined downhole oil-water separation method |
| 08/04/2010 | CN101793137A Oil-water displacement efficiency experimental method of longitudinal and planar nonhomogeneous slab models |
| 08/04/2010 | CN101793136A Tracking and balancing device for oil pumping device |
| 08/04/2010 | CN101793135A Triangular mule-head structure beam-pumping unit capable of adjusting balance |
| 08/04/2010 | CN101793132A Rechargeable subsea force generating device and method |
| 08/04/2010 | CN101539133B Feedback type oil-well pump |
| 08/03/2010 | US7769260 Intervention rod |
| 08/03/2010 | US7767630 Use of chalcogen heterocyclic electron donating compounds such as furan as heat stabilizing additives for oil field gels used in well treatment fluids such as drilling fluids, fracturing fluids, and well completion and workover fluids; allows use of water soluble gums in deep wells at high temperatures |
| 08/03/2010 | US7767629 In an amount sufficient to reduce fluid density at least 15%, preferably at least 20% and most preferably at least 30%; may reduce density to that of ambient seawater |
| 08/03/2010 | US7766085 Apparatus, assembly and process for injecting fluid into a subterranean well |
| 08/03/2010 | US7766083 Methods of isolating hydrajet stimulated zones |
| 08/03/2010 | US7766082 Flexible liner for drilled drainhole deployment |
| 08/03/2010 | US7766081 Gas separator within ESP shroud |
| 08/03/2010 | US7766079 Pumping installation for a gas producing well |
| 08/03/2010 | CA2603667C Apparatus and method for transferring fluids from a floating vessel to a subsea intervention module |
| 08/03/2010 | CA2572369C Downhole pumps with sand snare |
| 08/03/2010 | CA2557459C Compositions and methods for treating subterranean formations with liquefied petroleum gas |
| 08/03/2010 | CA2528677C Compositions and methods for consolidating unconsolidated subterranean formations |
| 07/29/2010 | WO2010085802A2 Additives for improving motor oil properties |
| 07/29/2010 | WO2010084376A1 Concentration of minor constituent of wellbore fluid |
| 07/29/2010 | WO2010084369A1 Method for extracting viscous petroleum crude from a reservoir |
| 07/29/2010 | WO2010084009A1 A method and system using zeta potential altering compositions as aggregating reagents for sand control |
| 07/29/2010 | WO2010083803A2 Apparatus for a pipe string of a geological drill hole, pipe string, method for operating a geological drilling gear and method for producing a pipe string for a geological drill hole |
| 07/29/2010 | WO2010057017A3 Downhole thermal component temperature management system and method |
| 07/29/2010 | WO2010045616A3 Method of hydrocarbon recovery |
| 07/29/2010 | WO2010045074A3 Crossover sub with erosion resistant inserts |
| 07/29/2010 | US20100186969 Downhole Apparatus |
| 07/29/2010 | US20100186966 Hydrocarbons |
| 07/29/2010 | US20100186963 Connection tool with indexing system |
| 07/29/2010 | US20100186960 Wellbore annular pressure control system and method using accumulator to maintain back pressure in annulus |
| 07/29/2010 | US20100186959 Methods for treating a well by simultaneously introducing into a mixer streams of water, a viscosity-increasing agent, and a particulate and introducing the mixture into the well |
| 07/29/2010 | US20100186958 Treating Liquids In Oil Extraction |
| 07/29/2010 | US20100186957 Fluid pressure transmission pill |
| 07/29/2010 | US20100186953 Measuring a characteristic of a well proximate a region to be gravel packed |
| 07/29/2010 | US20100186952 Method for injecting a fluid |
| 07/29/2010 | US20100186950 Geologic Features From Curvelet Based Seismic Attributes |
| 07/29/2010 | CA2750658A1 Additives for improving motor oil properties |
| 07/29/2010 | CA2750256A1 A method and system using zeta potential altering compositions as aggregating reagents for sand control |
| 07/29/2010 | CA2748980A1 Method for extracting viscous petroleum crude from a reservoir |
| 07/28/2010 | EP2209967A2 Method of and apparatus for completing a well |
| 07/28/2010 | EP2209966A1 Method of radially expanding a tubular element |
| 07/28/2010 | CN201535160U Efficient small vertical oil-gas-water separator |
| 07/28/2010 | CN201535159U 射孔作业用进水拒传起爆装置 Perforating operation with water-repellent mass detonating device |
| 07/28/2010 | CN201535158U Novel beam-balanced pumping unit |
| 07/28/2010 | CN201535157U 一种链条抽油机 A chain that pumping |
| 07/28/2010 | CN201535156U 抽油机配重防坠落装置 Pumping with heavy anti-fall device |
| 07/28/2010 | CN201535155U 永磁电机双排链传动驱动式抽油机 Double chain drive permanent magnet motor-driven pumping |
| 07/28/2010 | CN201535154U 永磁电机多楔带传动驱动式抽油机 Permanent magnet motor ribbed belt-driven pumping |
| 07/28/2010 | CN201535153U 抽油机循环润滑油路系统 Lubricating oil pumping cycle path system |
| 07/28/2010 | CN1965147B Duplex cone expander for expanding a tubular upward and downward from preexpanded section |
| 07/28/2010 | CN101790620A Drill in sand control liner |
| 07/28/2010 | CN101787878A Intelligent injection allocation instrument of water injection well |
| 07/28/2010 | CN101787875A Quantitative injection method of multi-level injection liquid |
| 07/28/2010 | CN101787874A Intelligent injection allocation testing device of water injection well |
| 07/28/2010 | CN101787873A Intelligent injection allocation process of water injection well |
| 07/28/2010 | CN101787872A Multi-parameter energy-saving control method for watering pipe network of oil field |
| 07/28/2010 | CN101787871A Vertical push-up and pull-down hydraulic pumping unit |
| 07/28/2010 | CN101787870A Multi-cylinder combined type full-balanced hydraulic oil pumping unit |
| 07/28/2010 | CN101787869A Double-cylinder symmetrical type fully balanced hydraulic oil pumping unit |
| 07/28/2010 | CN101787868A Single-cylinder bidirectional full-balanced hydraulic oil extractor |
| 07/28/2010 | CN101787854A Subsection well completion system of bottom water reservoir horizontal well |
| 07/28/2010 | CN101787268A Gel profile control agent for delaying generation of precipitation granules and preparation method thereof |
| 07/28/2010 | CN101122224B Gravity-assisted steam flooding exploitation method for heavy layer common heavy oil reservoir |
| 07/28/2010 | CN101004133B Sound wave shock and pulse combustion type pressing crack apparatus |
| 07/27/2010 | US7763572 Compositions comprising quaternary material and sorel cements |
| 07/27/2010 | US7762342 Apparatus for providing a temporary degradable barrier in a flow pathway |
| 07/27/2010 | US7762341 Flow control device utilizing a reactive media |
| 07/27/2010 | US7762340 Installation for enhanced oil recovery using water soluble polymers, method for implementing same |
| 07/27/2010 | US7762339 Apparatus and method for controlling the speed of a pump in a well |
| 07/27/2010 | US7762332 Method of using water-superabsorbent polymer in production tubing and pipes |
| 07/27/2010 | US7762327 Acoustically measuring annulus probe depth |
| 07/27/2010 | US7762326 System and method for reducing resistance to flow in liquid reservoir extraction |
| 07/27/2010 | US7762324 Bypass crossover sub selector for multi-zone fracturing processes |
| 07/27/2010 | US7762321 Hydraulic oil well pumping apparatus |
| 07/27/2010 | US7762172 Wireless perforating gun |
| 07/27/2010 | US7762131 System for predicting changes in a drilling event during wellbore drilling prior to the occurrence of the event |
| 07/27/2010 | CA2522277C Mandrel for a gas lift valve |
| 07/23/2010 | CA2690926A1 Downhole fluid separation |
| 07/22/2010 | WO2010083098A2 Systems and methods for producing oil and/or gas |
| 07/22/2010 | WO2010083097A2 Systems and methods for producing oil and/or gas |
| 07/22/2010 | WO2010083096A2 Systems and methods for producing oil and/or gas |
| 07/22/2010 | WO2010083095A2 Cold flow center and centers |
| 07/22/2010 | WO2010082113A2 Provision of viscous compositions below ground |
| 07/22/2010 | WO2010082030A2 Methods of designing treatment fluids based on solid-fluid interactions |
| 07/22/2010 | WO2010081239A1 Apparatus and method for downhole steam generation and enhanced oil recovery |
| 07/22/2010 | WO2010052134A3 Method and device for heating a pipeline |
| 07/22/2010 | WO2009052112A3 Water dissolvable materials for activating in-flow control devices that control flow of subsurface fluids |
| 07/22/2010 | US20100181114 Method of interconnecting subterranean boreholes |
| 07/22/2010 | US20100181076 Motor winding wire for a hydrocarbon application |
| 07/22/2010 | US20100181073 Method For Controlling Loss of Drilling Fluid |
| 07/22/2010 | US20100181070 Methods of designing treatment fluids based on solid-fluid interactions |
| 07/22/2010 | US20100181069 Apparatus and method for downhole steam generation and enhanced oil recovery |
| 07/22/2010 | US20100181068 Method and System for Treating Hydrocarbon Formations |
| 07/22/2010 | US20100181066 Thermal processes for subsurface formations |
| 07/22/2010 | US20100181065 Fluid Loss Additive and Breaking Agent |
| 07/22/2010 | US20100180768 Separator Tank for Separation of Fluid Comprising Water, Oil and Gas, use of such a Tank , and a Method for Separating a Fluid Including Water, Oil, and Gas |
| 07/22/2010 | DE102009005514A1 Vorrichtung für eine Rohrtour eines geologischen Bohrlochs, Rohrtour, Verfahren zum Betreiben einer geologischen Bohranlage sowie Verfahren zum Herstellen einer Rohrtour für ein geologisches Bohrloch Device for a pipe string of a geological borehole casing string, method of operating a geological drilling rig and method for manufacturing a pipe string for a geological borehole |