| 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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| 07/12/2012 | US20120175103 Apparatus and Method for Recovering Fluids From a Well and/or Injecting Fluids Into a Well |
| 07/11/2012 | EP2473706A1 Low emission power generation and hydrocarbon recovery systems and methods |
| 07/11/2012 | EP2473704A1 Process and apparatus for enhancing recovery of hydrocarbons from wells |
| 07/11/2012 | EP2473703A1 Artificial lift modeling methods and systems |
| 07/11/2012 | EP2473702A2 Selective placement of conformance treatments in multi-zone well completions |
| 07/11/2012 | CN202331166U 注水井智能远程监控装置 Injection wells intelligent remote monitoring device |
| 07/11/2012 | CN202327024U 抽油机减速箱输出轴密封器 Pumping gearbox output shaft seal device |
| 07/11/2012 | CN202325631U 用于煤矿井下钻孔的气渣分离及煤层气回收装置 Slag separation and recovery of coalbed methane gas for coal mine drilling |
| 07/11/2012 | CN202325629U 一种利用爆炸能量集中释放增加煤层透气性的装置 A use of explosive energy focused on the release of the device to increase seam permeability |
| 07/11/2012 | CN202325628U 煤矿井下巷道式煤层瓦斯压裂设备 Coal mine roadway coal seam gas fracturing equipment |
| 07/11/2012 | CN202325461U 限位逆流冲洗水过滤器 Limit backwash water filter |
| 07/11/2012 | CN202325460U 高效砂气锚 Efficient sand gas anchor |
| 07/11/2012 | CN202325459U 一种不动管柱压裂多层用导压喷砂封隔器 A non-moving multi-column fracture pressure guide blasting packer |
| 07/11/2012 | CN202325458U 孔底直刀割缝装置 Hole bottom seam straight knife device |
| 07/11/2012 | CN202325457U Naked eye segmented fracturing completion string for placement of controllable valves and liquid control switch string |
| 07/11/2012 | CN202325456U 分段压裂专用滑套 Staged fracturing special sleeve |
| 07/11/2012 | CN202325455U 一种注蒸汽密封器 An injection of steam sealer |
| 07/11/2012 | CN202325454U 双通道注采切换装置 Dual injection - switching device |
| 07/11/2012 | CN202325453U 地热超导传热清防蜡抽油杆 Geothermal Heat superconducting Paraffin sucker |
| 07/11/2012 | CN202325452U 注聚流量调节器 Polymer injection flow regulator |
| 07/11/2012 | CN202325451U 稠油细分层调剖管柱 Heavy subdivision layer profile column |
| 07/11/2012 | CN202325450U 注水流量调节装置 Water flow regulating device |
| 07/11/2012 | CN202325449U 一种电泵井注水阀 One kind of pump wells injection valve |
| 07/11/2012 | CN202325448U 多功能流量控制器 Multifunction flow controller |
| 07/11/2012 | CN202325447U 一种水平井射孔压裂喷砂器 A horizontal well perforating fracturing sand blast |
| 07/11/2012 | CN202325446U 用于油管传输复合射孔器的保护接头 Composite tubing conveyed perforating gun for protection joints |
| 07/11/2012 | CN202325445U 电缆传输射孔多级起爆控制总成 Cable transmission perforation multilevel detonation control assembly |
| 07/11/2012 | CN202325444U 多相位高孔密冲孔器 Multi-phase high-density hole punch |
| 07/11/2012 | CN202325443U 一种油气井凹槽射孔枪 A Hands-notch guns |
| 07/11/2012 | CN202325442U 一种油气井射孔枪 One kind of oil and gas well perforating gun |
| 07/11/2012 | CN202325441U 高压大排量水力射孔机组远程控制系统 High pressure and large displacement hydraulic perforating machine remote control system |
| 07/11/2012 | CN202325440U 球座式喷射器 Tee injectors |
| 07/11/2012 | CN202325439U Table-type numerical control perforation instrument |
| 07/11/2012 | CN202325438U 金属网塞孔道控砂装置 Metal mesh plug bore sand control device |
| 07/11/2012 | CN202325437U 一种提高油井充填效率的防砂集成管柱 A way to improve the efficiency of oil sand filling integrated string |
| 07/11/2012 | CN202325436U 一种油井防堵塞滤砂管 One kind of anti-clogging filter sand tube wells |
| 07/11/2012 | CN202325435U 双层绕丝充填不锈钢复合防砂筛管 Double stainless steel wire wrapped composite filling sand control screen |
| 07/11/2012 | CN202325434U 水平井可关闭平衡筛管及其关闭工具 Horizontal well screen can be turned off balance and close the tool |
| 07/11/2012 | CN202325433U 水平井底部充填工具 Bottom horizontal wells filling tool |
| 07/11/2012 | CN202325432U 可验封式高压充填工具 Can experience high-pressure seal filling tool |
| 07/11/2012 | CN202325431U 一种双井皮带式抽油机 One kind shuangjing belt pumping unit |
| 07/11/2012 | CN202325430U 抽油机驴头与游梁接口处预应力防裂装置 Horsehead beam pumping unit and prestressed crack at the interface device |
| 07/11/2012 | CN202325429U 长冲程双井抽油机 Long stroke pumping shuangjing |
| 07/11/2012 | CN202325428U 驱泄复合采油系统 Flooding vent complex production systems |
| 07/11/2012 | CN202325427U 直驱电机抽油机 Direct drive motor pumping |
| 07/11/2012 | CN202325426U 塔架式抽油机 Tower type pumping |
| 07/11/2012 | CN202325425U 一种油气井不动管柱两层压裂与水力泵快速返排求产联作试油管柱 A Hands-Tubing two pumps and hydraulic fracturing flowback seeking rapid test tubing string for the AFL-CIO |
| 07/11/2012 | CN202325424U 采用电液推杆的游梁式抽油机 Using electro-hydraulic pusher beam pumping unit |
| 07/11/2012 | CN202325423U 重锤t式节能石油抽油机 Hammer t energy-saving oil pumping |
| 07/11/2012 | CN202325422U 一机多井抽油机 A multi-well pumping machine |
| 07/11/2012 | CN202325421U 节能抽油机 Saving pumping |
| 07/11/2012 | CN202325420U 油田抽油机的不间断动力系统 Uninterruptible power systems oilfield pumping |
| 07/11/2012 | CN202325419U 游梁支点弹簧板储释动能助力刹车启动抽油机 Beam fulcrum spring board storage kerma start pumping the brake booster |
| 07/11/2012 | CN202325418U 倾角游梁平衡重抽油机 Walking Beam tilt heavy pumping |
| 07/11/2012 | CN202325417U 一种抽油机 One kind of pumping |
| 07/11/2012 | CN202325415U 降噪放压加药装置 Noise put pressure dosing device |
| 07/11/2012 | CN202325379U 水平井定量注汽分段封隔器 Horizontal steam injection wells quantitative segmentation packer |
| 07/11/2012 | CN202325360U 多功能井口保护压裂工具 Multifunctional wellhead protection fracturing tool |
| 07/11/2012 | CN202325340U 撞击式多频振动解堵采油器 Percussive multi-frequency vibration deplugging oil filter |
| 07/11/2012 | CN202325283U 油田注水井扫线快速接头 Oilfield injection wells sweep line quick connector |
| 07/11/2012 | CN202325279U 一种热采井直连型隔热油管 A heat recovery wells directly connected type insulated tubing |
| 07/11/2012 | CN202325277U 油水井防砂管柱内分段均匀酸化管柱 Oil wells in the sand evenly segmented string column acidification |
| 07/11/2012 | CN202325275U 一种新型智能套管 A new intelligent casing |
| 07/11/2012 | CN202322436U 吸油机 Suction Machine |
| 07/11/2012 | CN102575796A A tool for a horizontal connecting device |
| 07/11/2012 | CN102575795A Horizontal connecting device |
| 07/11/2012 | CN102575678A Method for delivering fluids using centrifugal pumps |
| 07/11/2012 | CN102575515A Composition and method for producing an ultra-lightweight ceramic proppant |
| 07/11/2012 | CN102575514A Steam distribution apparatus and method for enhanced oil recovery of viscous oil |
| 07/11/2012 | CN102575513A Steam distribution and conditioning assembly for enhanced oil recovery of viscous oil |
| 07/11/2012 | CN102575512A Expandable liner tieback connection |
| 07/11/2012 | CN102575511A Integrated production manifold and multiphase pump station |
| 07/11/2012 | CN102575510A Computer-implemented systems and methods for controlling sand production in a geomechanical reservoir system |
| 07/11/2012 | CN102575504A Vertical connector for use on the seabed |
| 07/11/2012 | CN102566452A Control system of oil production truck |
| 07/11/2012 | CN102562974A Electromechanical commutator for oil pumping unit |
| 07/11/2012 | CN102562886A Safety brake device of oil pumping unit |
| 07/11/2012 | CN102562681A Hydraulic jet pump capable of realizing reverse-circulating production and reverse-circulating lifting of pump core |
| 07/11/2012 | CN102562044A Devices and methods for transmitting EDS back-up signals to subsea pods |
| 07/11/2012 | CN102562028A Automatic continuous oil measuring device of U-shaped tube integrator |
| 07/11/2012 | CN102562025A Coal underground gasification furnace and preparation method thereof |
| 07/11/2012 | CN102562024A Fracturing design method for optimizing uniform spreading concentration |
| 07/11/2012 | CN102562023A System for improving air permeability of coal by using warm-pressing inert gas |
| 07/11/2012 | CN102562022A Process technology suitable for deep coal bed gas fracturing |
| 07/11/2012 | CN102562021A Quick gel breaking process for intermediate and low temperate oil gas well fracturing fluid |
| 07/11/2012 | CN102562020A Manifold system for sand blender |
| 07/11/2012 | CN102562019A Sand jet perforation annular mechanical packing multilayer fracturing tool pipe column and modification process |
| 07/11/2012 | CN102562018A Downhole hydraulic cutting tool |
| 07/11/2012 | CN102562017A Sand blasting, perforating and fracturing method |
| 07/11/2012 | CN102562016A Heavy oil thermal recovery process method |
| 07/11/2012 | CN102562015A Auger for gas and liquid recovery from regolith |
| 07/11/2012 | CN102562014A High solidifying point crude oil exploiting device and high solidifying point crude oil exploiting method |
| 07/11/2012 | CN102562013A Automatic modulation and monitoring zonal injection method for water injection well and system thereof |
| 07/11/2012 | CN102562012A Method for improving recovery ratio of normal heavy oil reservoirs in water-flooding development |
| 07/11/2012 | CN102562011A Experiment system for high-pressure outcrop plane model |
| 07/11/2012 | CN102562010A Shaped charge liner perforating bullet |
| 07/11/2012 | CN102562009A Efficient open water riser deployment |
| 07/11/2012 | CN102562008A Oil-gas exploration and development integrated mode for Bohai Sea |
| 07/11/2012 | CN102562007A Automatic adjusting device for locations of balance blocks of petroleum pumping unit |
| 07/11/2012 | CN102562006A Adjustable range increasing device of pumping unit |