| 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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| 09/28/2011 | CN201993604U 抽油机间歇控制器 Pumping intermittent controller |
| 09/28/2011 | CN201992041U 减速器低转速润滑接油装置 Reducer low speed lubricating oil installations connected |
| 09/28/2011 | CN201992020U 抽油机二次平衡专用减速器 Pumping secondary balance dedicated reducer |
| 09/28/2011 | CN201991968U 抽油机专用制动器 Pumping special brake |
| 09/28/2011 | CN201991564U 一种煤层气井的排采控制系统管线支撑架 One kind of CBM well drainage control system pipeline carriage |
| 09/28/2011 | CN201991524U 煤矿区煤层气安全集输智能调控系统 CMM safety control system of gathering intelligence |
| 09/28/2011 | CN201991517U 油井多相连续分测装置 Well consecutive points multiphase measurement device |
| 09/28/2011 | CN201991516U 供热管网检查井补偿器智能泄漏监测及防盗系统 Manhole heating pipe network leak detection and compensation intelligent anti-theft system |
| 09/28/2011 | CN201991515U 污油回收装置 Waste oil recovery |
| 09/28/2011 | CN201991514U 一种盐类矿层快速建槽脉冲射流器 One kind of salt build tank seam fast pulse jet filter |
| 09/28/2011 | CN201991513U 热造缝增产增注装置 Heat build slit to increase yield dispensing apparatus |
| 09/28/2011 | CN201991512U 一种自动控压注汽油嘴 An automatic control pressure injection gasoline nozzle |
| 09/28/2011 | CN201991511U 一种优化型注汽控制装置 An optimized steam injection control device type |
| 09/28/2011 | CN201991510U 三防配注器 Three defenses with Dispenser |
| 09/28/2011 | CN201991509U 一种用于驱油实验的可视化平面填砂模型 An experimental visualization flooding sandpack model plane |
| 09/28/2011 | CN201991508U 一种重力式油井井下连续加药设备 A gravity-type oil underground continuous dosing equipment |
| 09/28/2011 | CN201991507U 计量控制装置 Metering control device |
| 09/28/2011 | CN201991506U 耐用可调堵塞器 Durable adjustable blanking plug |
| 09/28/2011 | CN201991505U 井下可控电动调节器 Downhole controllable electric regulator |
| 09/28/2011 | CN201991504U Double-blind-hole multi-stage pulse perforating gun |
| 09/28/2011 | CN201991503U 喷嘴内装式水力喷射器 Built-in hydraulic ejector nozzle |
| 09/28/2011 | CN201991502U 防腐防沙筛管球座 Corrosion and Sediment Control screen tee |
| 09/28/2011 | CN201991501U 预充填精密复合滤砂管 Pre-precision composite filter sand filled tube |
| 09/28/2011 | CN201991500U 低矮型对称平衡节能抽油机 Pumping energy-saving low profile symmetrical balance |
| 09/28/2011 | CN201991499U 带有自动微调平衡重曲柄的节能抽油机 Counterweight crank with automatic trimming energy pumping |
| 09/28/2011 | CN201991498U 一种井下过泵加重抽油装置 A downhole pumping equipment through the pump heavier |
| 09/28/2011 | CN201991497U Novel cluster well oil sucking machine |
| 09/28/2011 | CN201991496U 自适应平衡柔性传动抽油机 Adaptive balancing flexible drive pumping |
| 09/28/2011 | CN201991495U 一种新型数字化多功能增压集成装置 A new digital versatile booster integrated device |
| 09/28/2011 | CN201991494U 油井套管气回收装置 Well casing gas recovery |
| 09/28/2011 | CN201991493U 节能型气液动能抽油机 Kinetic energy-efficient gas-liquid pumping |
| 09/28/2011 | CN201991483U 适用于封隔器分层加砂压裂的管柱结构 String structure suitable for packer stratified sand fracturing of |
| 09/28/2011 | CN102203638A Computer-implemented systems and methods for use in modeling a geomechanical reservoir system |
| 09/28/2011 | CN102203378A Recovery or storage process |
| 09/28/2011 | CN102203376A Pressure relieving transition joint |
| 09/28/2011 | CN102200007A Method for designing annular fracturing injection cross joint |
| 09/28/2011 | CN102200006A Profile control and water plugging method for magnetic nano particles |
| 09/28/2011 | CN102200005A Integral-sealing perforation sand prevention device |
| 09/28/2011 | CN102200004A Special energy-saving matching device for beam pumping unit and pumping unit thereof |
| 09/28/2011 | CN102199462A Skid-mounted device for dehydrating well-mouth natural gas by using venturi injecting tube |
| 09/28/2011 | CN102199422A Fracturing propping agent, preparation method thereof, and deep well fracturing method |
| 09/28/2011 | CN102199418A Inorganic solidifying system for controlling bottom water coning in fracture-cavity karst reservoir, and injection method thereof |
| 09/28/2011 | CN102199346A Polysiloxane modified polyurethane for drillable sand screen and preparation method and application thereof |
| 09/28/2011 | CN102199345A Polysiloxanes modified polyurethane for drillable sand-screening pipe, and its preparation method and application |
| 09/28/2011 | CN102199292A Organic silicon resin containing amine propyl group for sand filtering tube as well as preparation method and application thereof |
| 09/28/2011 | CN102108860B Visualized fracture network oil displacement model and manufacturing method thereof |
| 09/28/2011 | CN101915085B Low-air-permeability coal-bed gas extraction method |
| 09/28/2011 | CN101503958B Integral self-cleaning sieve tube of V-shaped joint filter |
| 09/28/2011 | CN101482005B Down-hole gross coal dirt-discharging and mine water treating combined process |
| 09/28/2011 | CN101482004B Double-filtering layer meander circular seam self-cleaning sieve tube |
| 09/27/2011 | USRE42733 Wear-resistant, variable diameter expansion tool and expansion methods |
| 09/27/2011 | US8025104 Method and apparatus for delayed flow or pressure change in wells |
| 09/27/2011 | US8025101 Cyclic steam stimulation method with multiple fractures |
| 09/27/2011 | US8025099 Water transfer system |
| 09/27/2011 | US8025098 Processing hydrocarbons |
| 09/27/2011 | CA2645654C Inhibiting reservoir souring using a treated injection water |
| 09/27/2011 | CA2599073C Injection valve |
| 09/27/2011 | CA2593604C Reducing volatile phosphorous in hydrocarbon based fracturing fluids |
| 09/27/2011 | CA2579245C Method of intensification of natural gas production from coal beds |
| 09/27/2011 | CA2569782C Prevention or reduction of particle migration in hydrocarbon formations |
| 09/27/2011 | CA2450751C Method for preparing wellbore casing for installation |
| 09/25/2011 | CA2734658A1 Squeeze process for reactivation of well treatment fluids containing a water-insoluble adsorbent |
| 09/23/2011 | CA2818049A1 Diverting system and method of running a tubular |
| 09/22/2011 | WO2011116148A2 Systems, apparatus and methods for extraction of hydrocarbons from organic materials |
| 09/22/2011 | WO2011115985A1 Method for mitigating leakage currents |
| 09/22/2011 | WO2011115967A2 Apparatus and method for controlling fluid flow between formations and wellbores |
| 09/22/2011 | WO2011115941A1 Section mill and method for abandoning a wellbore |
| 09/22/2011 | WO2011115886A1 Installation method of flexible pipe with subsea connector, utilizing a pull down system |
| 09/22/2011 | WO2011115729A2 Method and materials for proppant fracturing with telescoping flow conduit technology |
| 09/22/2011 | WO2011115723A1 System and method for fracturing rock in tight reservoirs |
| 09/22/2011 | WO2011115600A1 Systems and methods for positioning horizontal wells within boundaries |
| 09/22/2011 | WO2011115494A1 Flow control device and flow control method |
| 09/22/2011 | WO2011070143A3 System, apparatus and method for stimulating wells and managing a natural resource reservoir |
| 09/22/2011 | US20110227349 Method for extracting bitumen and/or ultra-heavy oil from an underground deposit, associated installation and operating method for said installation |
| 09/22/2011 | US20110226483 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 09/22/2011 | US20110226481 Apparatus and Method for Controlling Fluid Flow Between Formations and Wellbores |
| 09/22/2011 | US20110226480 Process for reducing the pressure for injecting a polymer solution into an oil well without shear on said solution |
| 09/22/2011 | US20110226479 Diversion by combining dissolvable and degradable particles and fibers |
| 09/22/2011 | US20110226473 Deep Steam Injection Systems and Methods |
| 09/22/2011 | US20110226472 Process for increasing the transport flow rate of oil from producing wells |
| 09/22/2011 | US20110226471 Use of a solvent and emulsion for in situ oil recovery |
| 09/22/2011 | US20110226470 Systems and methods for providing wireless power transmissions and tuning a transmission frequency |
| 09/22/2011 | CA2793722A1 Flow control device and flow control method |
| 09/22/2011 | CA2793364A1 Apparatus and method for controlling fluid flow between formations and wellbores |
| 09/22/2011 | CA2793231A1 Section mill and method for abandoning a wellbore |
| 09/22/2011 | CA2792836A1 Systems and methods for positioning horizontal wells within boundaries |
| 09/22/2011 | CA2791646A1 System and method for fracturing rock in tight reservoirs |
| 09/22/2011 | CA2791259A1 Installation method of flexible pipe with subsea connector, utilizing a pull down system |
| 09/22/2011 | CA2789831A1 Enhanced oil recovery process using water soluble polymers having improved shear resistance |
| 09/22/2011 | CA2732562A1 Process for increasing the transport flow rate of oil from producing wells |
| 09/21/2011 | EP2366868A1 Method for reducing the injection pressure of a polymer solution in an oil well without shear degradation |
| 09/21/2011 | EP2366058A1 Apparatus and method for servicing a wellbore |
| 09/21/2011 | CN201983246U 一种油田燃煤注汽锅炉 One kind of oil fired steam injection |
| 09/21/2011 | CN201982592U 伸缩式电机顶丝装置 Retractable roof motor wire device |
| 09/21/2011 | CN201982590U 一种多级次二级减速装置 A multi-stage reduction gear transmission times two |
| 09/21/2011 | CN201982589U 一种抽油机调速器 One kind of pumping governor |
| 09/21/2011 | CN201982088U 一种多级圆柱筒体近井地带剪切模拟装置 A multi-stage cylindrical barrel cut near wellbore simulator |
| 09/21/2011 | CN201982081U 一种抽油机液压载荷摘卸器 One kind of pumping hydraulic load pick Remover |
| 09/21/2011 | CN201982077U Gas-water separator for coal mine gallery drilling rig |
| 09/21/2011 | CN201982076U 一种射压联作的高效喷砂器 One kind of injection pressure for efficient sandblasting Union |