| 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) |
|---|
| 09/07/2011 | CN201963227U 抽油机调偏顶架 Pumping detuning top shelf |
| 09/07/2011 | CN201963210U 火驱注气电点火工艺管柱 Fire drive electric ignition gas injection process column |
| 09/07/2011 | CN201962695U 可更换式抽油机压杠螺丝挡板装置 Replaceable screw baffle means pumping pressure bar |
| 09/07/2011 | CN201961509U 一种无条件稳性整装型深吃水浮式采油平台 An unconditionally stable of ready-type deep draft floating production platform |
| 09/07/2011 | CN201959657U 旋流式捕雾器 Swirling mist catcher |
| 09/07/2011 | CN102177310A Method for production of high purity distillate from produced water for generation of high pressure steam |
| 09/07/2011 | CN102177309A Using heat from produced fluids of oil and gas operations to produce energy |
| 09/07/2011 | CN102177217A Improved fluid loss compositions and methods of use for subterranean operations |
| 09/07/2011 | CN102174883A Method for testing flow conductivity of self-supported crack in riverfrac treatment |
| 09/07/2011 | CN102174882A Medium-pressure gas collection technique based on cluster well |
| 09/07/2011 | CN102172490A Reservoir oil foam displacement high-pressure gas quantitative injector |
| 09/07/2011 | CN101942982B Device for jetting conduit into directly-drilled surface layer of marine deep-water drilling well |
| 09/07/2011 | CN101746897B Nutrient for inhibiting sulfate reducing bacteria in oilfield water and application of nutrient |
| 09/07/2011 | CN101440701B Temporary blocking type sieve tube of insufficient balance well completion |
| 09/07/2011 | CN101160447B Multple port cross-over design for frac pack erosion mititgation |
| 09/07/2011 | CN101113669B Fracturing process for enhancing low permeability reservoir deliverability |
| 09/06/2011 | US8012582 Sintered proppant made with a raw material containing alkaline earth equivalent |
| 09/06/2011 | US8012347 Device for separation of fluid, in particular oil, gas and water |
| 09/06/2011 | US8011698 Sealed tubular joint with plastic expansion and at least one inclined surface |
| 09/06/2011 | US8011446 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
| 09/06/2011 | US8011438 Downhole flow control with selective permeability |
| 09/06/2011 | US8011437 Wellbore method and apparatus for completion, production and injection |
| 09/06/2011 | US8011433 Bidirectional gravel packing in subterranean wells |
| 09/06/2011 | US8011432 Apparatus and method for inflow control |
| 09/06/2011 | US8011431 Process and system for creating enhanced cavitation |
| 09/06/2011 | US8011429 Transport assembly |
| 09/06/2011 | CA2690140C Fluids and techniques for hydrocarbon well completion |
| 09/06/2011 | CA2632170C Integrated system and method for steam-assisted gravity drainage (sagd)-heavy oil production using low quality fuel and low quality water |
| 09/06/2011 | CA2450551C Technique for preventing deposition products from impeding the motion of a movable component |
| 09/04/2011 | CA2733129A1 Artificial lift system and method for well |
| 09/01/2011 | WO2011106579A2 Wellbore valve, wellbore system, and method of producing reservoir fluids |
| 09/01/2011 | WO2011106513A2 Permanent cable for submersible pumps in oil well applications |
| 09/01/2011 | WO2011106366A2 Apparatus and method for cementing liner |
| 09/01/2011 | WO2011084529A3 Constant pressure open hole water packing system |
| 09/01/2011 | WO2009141749A3 System and method for low damage gravel packing |
| 09/01/2011 | US20110209882 Method and apparatus for sequestering CO2 gas and releasing natural gas from coal and gas shale formations |
| 09/01/2011 | US20110209879 System and Methods for Removing Fluids from a Subterranean Well |
| 09/01/2011 | US20110209875 Installation for the extraction of fluid from an expanse of water, and associated method |
| 09/01/2011 | US20110209872 Method and apparatus for programmable robotic rotary mill cutting of multiple nested tubulars |
| 09/01/2011 | US20110209871 Perforating Gun Assembly and Method for Controlling Wellbore Pressure Regimes During Perforating |
| 09/01/2011 | US20110209870 Gas flow system |
| 09/01/2011 | US20110209869 Method and apparatus to release energy in a well |
| 09/01/2011 | US20110209866 corrugated settling cup and a multi-cup uniform flux gas anchor |
| 09/01/2011 | CA2790722A1 Apparatus and method for cementing liner |
| 09/01/2011 | CA2790509A1 Permanent cable for submersible pumps in oil well applications |
| 09/01/2011 | CA2733042A1 Method and apparatus for enhancing multiphase extraction of contaminants |
| 08/31/2011 | EP2362062A1 An annular barrier |
| 08/31/2011 | EP2361698A1 Gas Well Connector and Method of using same |
| 08/31/2011 | EP2361289A1 Crystalline ceramic particles |
| 08/31/2011 | CN201956792U 一种快捷便携顶丝 A portable top wire shortcuts |
| 08/31/2011 | CN201953507U Device for reducing lubricant viscosity using temperature of motor cycle water |
| 08/31/2011 | CN201953373U 提高井下流量测调仪可靠对接的装置 Downhole flow measurement instrument to improve the tone and reliable docking device |
| 08/31/2011 | CN201953369U 一种潜油电泵机组气液分离器 One kind of submersible pump liquid separator unit |
| 08/31/2011 | CN201953368U 煤矿井下压裂成套装置 Coal Mine fracturing sets of devices |
| 08/31/2011 | CN201953367U 井下钻孔钻压一体化分段压裂装置 Downhole drilling WOB staged fracturing device integration |
| 08/31/2011 | CN201953366U 管柱伸缩补偿器 Retractable string compensator |
| 08/31/2011 | CN201953365U 井下注蒸汽密封隔热补偿一体装置 Downhole steam injection thermal compensation integral sealing means |
| 08/31/2011 | CN201953364U 一种可调注汽渗流装置 An adjustable flow of steam injection device |
| 08/31/2011 | CN201953363U 泡沫驱油高压气体量化注入器 Foam flooding pressure gas injector quantization |
| 08/31/2011 | CN201953362U 分级限流式节流器及含有该节流器的均衡筛管 Classification limiting throttle and balanced formula containing the restrictor screens |
| 08/31/2011 | CN201953361U 侧向起爆对称式双向射孔器 Bi-lateral perforating gun detonation symmetric |
| 08/31/2011 | CN201953360U 调压控水防砂管 Surge control water sand control |
| 08/31/2011 | CN201953359U Automatic exploitation system of natural gas hydrate |
| 08/31/2011 | CN201953358U 油井智能保护节能装置 Well intelligent protection energy-saving devices |
| 08/31/2011 | CN201953357U 新型滚筒式抽油机 The new drum pumping unit |
| 08/31/2011 | CN201953356U 一种抽油机 One kind of pumping |
| 08/31/2011 | CN201953355U 套装式油井平衡器 Well balancer shaft-mounted |
| 08/31/2011 | CN201953354U 移动式井口气收集系统 Well tone mobile collection system |
| 08/31/2011 | CN201952840U 改造的酸化压裂车给水管线 Reconstruction of water supply pipelines acid fracturing car |
| 08/31/2011 | CN102168659A Method for acquiring gravity energy and gravity energy-saving oil pumping device |
| 08/31/2011 | CN102168575A Loose blasting gas extraction technology of horizontal branch well of coal seam floor |
| 08/31/2011 | CN102168549A Device and method for measuring output liquid of coal bed methane well |
| 08/31/2011 | CN102168548A Exploitation measuring device and method of coal bed gas well |
| 08/31/2011 | CN102168546A Key unlocking-type sliding sleeve switch |
| 08/31/2011 | CN102168545A Coiled tubing supercritical CO2 jet fracturing method |
| 08/31/2011 | CN102168544A Method for surface modification and transmission increase of coal reservoirs by using chlorine dioxide |
| 08/31/2011 | CN102168543A Method and apparatus of improving recovery efficiency of shale gas through a blast mode |
| 08/31/2011 | CN102168542A Multireel oil extractor for pulley |
| 08/31/2011 | CN102168541A Linear driving device for oil and gas production |
| 08/31/2011 | CN102168540A Hydraulic pumping unit with pressure compensation device |
| 08/31/2011 | CN102167969A Low temperature coated particles for use as proppants or in gravel packs, methods for making and using the same. |
| 08/31/2011 | CN101881434B Vehicle-mounted high-pressure DC steam injection boiler system with three-pass flue gas |
| 08/31/2011 | CN101315026B Underground coal gasification system and producing process |
| 08/31/2011 | CN101289930B Oil pumping machine of circular disc permanent magnetism wind water double cold linear motor |
| 08/31/2011 | CN101096908B Two stage low pressure method for coal bed gas producing natural gas |
| 08/30/2011 | US8008236 Hydrolyzes to produce an acid and an alcohol; allowing acid and/or the alcohol to interact with surfactant gel so as to reduce viscosity; orthoacetates, orthoformates, and orthopropionates; subterranean formations, oil wells, gas wells |
| 08/30/2011 | US8008235 Permeability-modifying drilling fluids and methods of use |
| 08/30/2011 | US8008234 Method and composition comprising at least three different average particle volume particulates for low damage gravel packing |
| 08/30/2011 | US8006779 Pressure cycle operated perforating firing head |
| 08/30/2011 | US8006771 Methods for expanding tubular strings and isolating subterranean zones |
| 08/30/2011 | US8006766 Method and apparatus for controlling the speed of a pump in a well |
| 08/30/2011 | US8006762 System and method of controlling surge during wellbore completion |
| 08/30/2011 | US8006761 Wellbore fluid comprising a base fluid and a particulate bridging agent |
| 08/30/2011 | US8006760 Clean fluid systems for partial monolayer fracturing |
| 08/30/2011 | US8006759 Manufacture of strong, lightweight, hollow proppants |
| 08/30/2011 | US8006758 Waste material processing for oil recovery |
| 08/30/2011 | US8006757 Flow control system and method for downhole oil-water processing |
| 08/30/2011 | US8006756 Gas assisted downhole pump |
| 08/30/2011 | US8006755 Proppants coated by piezoelectric or magnetostrictive materials, or by mixtures or combinations thereof, to enable their tracking in a downhole environment |
| 08/30/2011 | US8006754 Proppants containing dispersed piezoelectric or magnetostrictive fillers or mixtures thereof, to enable proppant tracking and monitoring in a downhole environment |