| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
|---|
| 07/17/2012 | CA2754716C Apparatus and method for severing a wellbore tubular |
| 07/12/2012 | WO2012094626A2 Test packer and method for use |
| 07/12/2012 | WO2012094488A2 Shape memory material packer for subterranean use |
| 07/12/2012 | WO2012094117A2 Subsea safety system having a protective frangible liner and method of operating same |
| 07/12/2012 | WO2012093312A1 Gate valve assembly |
| 07/12/2012 | WO2012065126A3 Remote operation of setting tools for liner hangers |
| 07/12/2012 | WO2012058288A3 Downhole multiple well |
| 07/12/2012 | WO2012049509A3 Wellhead and christmas tree assembly |
| 07/12/2012 | WO2012048157A3 Magnetic leak management apparatus and methods |
| 07/12/2012 | WO2011110808A3 Multiple stage cementing tool with expandable sealing element |
| 07/12/2012 | US20120175846 Threaded device with metal to metal seal and method |
| 07/12/2012 | US20120175845 Shape Memory Material Packer for Subterranean Use |
| 07/12/2012 | US20120175135 Packer deployed formation sensor |
| 07/12/2012 | US20120175134 Oilfield apparatus and method comprising swellable elastomers |
| 07/12/2012 | US20120175133 Dampered drop plug |
| 07/12/2012 | US20120175132 Low Equivalent Circulation Density Setting Tool |
| 07/12/2012 | US20120175119 Method for Servicing Subterranean Wells |
| 07/12/2012 | US20120175118 Compositions and methods for well completions |
| 07/12/2012 | US20120175117 Methods and devices for forming a wellbore with casing |
| 07/12/2012 | US20120175108 Test packer and method for use |
| 07/12/2012 | US20120175103 Apparatus and Method for Recovering Fluids From a Well and/or Injecting Fluids Into a Well |
| 07/12/2012 | US20120175102 Wellhead for a hydrocarbon-producing wellbore |
| 07/12/2012 | CA2823563A1 Shape memory material packer for subterranean use |
| 07/12/2012 | CA2823211A1 Test packer and method for use |
| 07/11/2012 | EP2474705A2 Separation device |
| 07/11/2012 | EP2474704A1 Monitoring the operation of a subsea hydrocarbon production control system |
| 07/11/2012 | EP2473701A2 Sealing apparatus and method |
| 07/11/2012 | EP2473700A1 Wellbore servicing compositions and methods of making and using same |
| 07/11/2012 | EP2109707B1 A method for recovering fluid from an underwater apparatus submerged in deep water |
| 07/11/2012 | CN202325666U 采空区注浆加压封孔装置 Goaf grouting pressure sealing device |
| 07/11/2012 | CN202325630U 矿用注胶泵 Mine plastic injection pump |
| 07/11/2012 | CN202325619U 安装有流量装置的煤层注水、抽放两用封孔装置 Coal flow devices installed water, drainage dual sealing device |
| 07/11/2012 | CN202325573U 煤巷钻孔防突装置 Coal Lane drilling outburst prevention device |
| 07/11/2012 | CN202325489U 胶塞指示器 Stopper indicator |
| 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 | CN202325455U 一种注蒸汽密封器 An injection of steam sealer |
| 07/11/2012 | CN202325451U 稠油细分层调剖管柱 Heavy subdivision layer profile column |
| 07/11/2012 | CN202325444U 多相位高孔密冲孔器 Multi-phase high-density hole punch |
| 07/11/2012 | CN202325414U 一种油水管柱内清垢封堵器 Within a water column clean dirt occluder |
| 07/11/2012 | CN202325397U Telescopic automatic grouting device used for running casing |
| 07/11/2012 | CN202325396U 一种内卡式顶驱下套管装置 An internal cassette casing top drive unit |
| 07/11/2012 | CN202325395U 双液注浆机混合器 Double liquid grouting machine mixer |
| 07/11/2012 | CN202325394U 基于测井车打水泥塞工艺的油井储层封堵装置 Occlusion device based logging truck hit the cement plug oil reservoir technology |
| 07/11/2012 | CN202325393U 正循环底密封防污染装置 Positive cycle bottom seal antipollution devices |
| 07/11/2012 | CN202325392U 方便安装的锥密封正循环固井装置 Cone seals are easy to install circulation cementing unit |
| 07/11/2012 | CN202325391U 复杂地层储气井正循环固井装置 Complex formation gas well cementing positive cycle unit |
| 07/11/2012 | CN202325390U 循环分段固井装置 Circulation cementing equipment segment |
| 07/11/2012 | CN202325389U 一种尾管顶部封隔器 One kind of the tail pipe top packer |
| 07/11/2012 | CN202325388U 完井式分层压裂封隔器 Stratification fracturing completion packer |
| 07/11/2012 | CN202325387U 扩张式油管堵塞器 Expandable tubing plug device |
| 07/11/2012 | CN202325386U 逐级坐封压裂封隔器 Progressively fracturing packer packer |
| 07/11/2012 | CN202325385U 具有磁力搅拌功能的封孔袋 With a magnetic stirring function sealing bag |
| 07/11/2012 | CN202325384U 水平井防落物工具 Horizontal wells FOPS Tools |
| 07/11/2012 | CN202325383U 水平井拖动压裂封隔器 Drag the horizontal well fracturing packer |
| 07/11/2012 | CN202325382U 井下作业防喷工具总成 Downhole tool assembly BOP |
| 07/11/2012 | CN202325381U 过工具油管堵塞器 Tools tubing is too clogged |
| 07/11/2012 | CN202325380U 机械定位解堵封隔器 Mechanical positioning plugging packer |
| 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 | CN202325378U 一种井下隔离装置 A downhole isolation device |
| 07/11/2012 | CN202325377U 封隔器金属密封机构 Packer metal sealing mechanism |
| 07/11/2012 | CN202325376U 内抢喷密封装置 Spray inside grab seals |
| 07/11/2012 | CN202325375U 一种压注式聚氨酯封孔器 One kind of pressure injection-type polyurethane sealing device |
| 07/11/2012 | CN202325374U No-welding test well lubricator provided with movable support platform |
| 07/11/2012 | CN202325373U 一种适用于旋转密封5 1/2″钻杆的旋转防喷器胶芯总成 One for rotating seal 5 1/2 "drill rotary blowout preventer rubber core assembly |
| 07/11/2012 | CN202325372U 防腐防硫耐磨闸板防喷器 Wear and corrosion resistance and sulfur ram BOP |
| 07/11/2012 | CN202325371U 一种用于旋转防喷器的动密封装置 Dynamic sealing device for a rotating BOP |
| 07/11/2012 | CN202325370U 抽油杆双级密封防偏防喷器 Two-stage anti-bias rod seal blowout preventer |
| 07/11/2012 | CN202325369U 旋转防喷器万能工作台 Universal bench rotating BOP |
| 07/11/2012 | CN202325368U 抽油机光杆断脱防喷油装置 Pumping rod breaking off the anti-injector device |
| 07/11/2012 | CN202325367U 一种水下采油树导向基座井口锁紧装置 Underwater Christmas tree guide base wellhead locking device |
| 07/11/2012 | CN202325366U 悬臂式防喷盒防撞加力杆 BOP crash box cantilevered rod afterburner |
| 07/11/2012 | CN202325365U 防盗丝堵 Theft plugs |
| 07/11/2012 | CN202325364U 井口测试装置 Wellhead test device |
| 07/11/2012 | CN202325363U 简易采油、采气井口装置 Easy oil, gas wellhead |
| 07/11/2012 | CN202325362U 自动调偏节能密封装置 Auto-saving partial sealing device |
| 07/11/2012 | CN202325361U 光杆润滑装置 Rod lubrication device |
| 07/11/2012 | CN202325360U 多功能井口保护压裂工具 Multifunctional wellhead protection fracturing tool |
| 07/11/2012 | CN202325359U 长效密封盘根盒 Long seal packing boxes |
| 07/11/2012 | CN202325358U 井口光杆耐用密封填料 Wellhead durable rod packing |
| 07/11/2012 | CN202325357U 多功能抽油井口密封装置 Multifunction pumping wellhead seal |
| 07/11/2012 | CN202325356U 四通阀门抢喷器 Four-way valve grab shooter |
| 07/11/2012 | CN202325355U 下抽油杆防污装置 Under the rod fouling device |
| 07/11/2012 | CN202325354U 液面监测用环空封堵器 Level monitoring with annulus occluder |
| 07/11/2012 | CN202325353U 一种新型地热井井口装置 A new geothermal wells wellhead |
| 07/11/2012 | CN202325352U 提下抽油杆防井喷装置 By mentioning rod blowout preventer |
| 07/11/2012 | CN202325351U 钻具输送测井井口电缆防碰装置 Drilling wellhead transport logging cable anti-collision device |
| 07/11/2012 | CN202325350U 油井井口防盗器 Wellhead alarm |
| 07/11/2012 | CN202325349U 分体式自封井器 Split self blowout preventer |
| 07/11/2012 | CN202325348U 偏心油管悬挂装置 Eccentric tubing hanger device |
| 07/11/2012 | CN202325347U 双级一体高压自封 One self-styled two-stage high pressure |
| 07/11/2012 | CN202325346U 抽油井空心杆井口装置 Hollow rod pumping wells wellhead |
| 07/11/2012 | CN202325345U 井口防盗装置 Wellhead anti-theft device |
| 07/11/2012 | CN202325323U 冲砂、刮蜡、封隔一体式井下作业工具 Sand washing, scraping wax, packers integrated Downhole Tools |
| 07/11/2012 | CN202325281U 套管智能防盗器 Casing security intelligence |
| 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 | CN202324859U 一种采油树泄油防盗装置 One kind of Christmas tree drain anti-theft device |
| 07/11/2012 | CN202315755U 风动注浆搅拌器 Wind-driven stirrer grouting |
| 07/11/2012 | CN1807831B Indoor evaluation method for profile control and water shutoff technology using polymer microsphere |
| 07/11/2012 | CN102575508A An annular barrier |
| 07/11/2012 | CN102575507A 膨胀装置 Expansion device |