| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 06/04/2014 | CN102391553B Fluorinated Elastomeric Blowout Preventer Packers And Method |
| 06/04/2014 | CN102337859B Coal field drill hole leak blocking system |
| 06/04/2014 | CN102322236B Integrated oil casing head |
| 06/04/2014 | CN102287156B Concentric pipe wellhead device for exploiting thickened oil through steam assisted gravity drainage |
| 06/04/2014 | CN102261230B Controlling the pressure within an annular volume of a wellbore |
| 06/04/2014 | CN102116139B Ash throwing type oil pipe plug |
| 06/04/2014 | CN101929318B Stage cementing device |
| 06/03/2014 | US8741818 Lost circulation compositions and associated methods |
| 06/03/2014 | US8740174 Dual-direction ram-type blowout preventer seal |
| 06/03/2014 | US8739873 System and method for fluid diversion and fluid isolation |
| 06/03/2014 | US8739872 Lost circulation composition for fracture sealing |
| 06/03/2014 | US8739871 Thermally-activated, high temperature particulate suspending agents and methods relating thereto |
| 06/03/2014 | US8739865 Flanged end ring for use with swell packers |
| 06/03/2014 | US8739408 Shape memory material packer for subterranean use |
| 06/03/2014 | CA2757950C Ported packer |
| 06/03/2014 | CA2709688C Frac system split ring device |
| 05/30/2014 | WO2014081310A1 Subsea xmas tree assembly and associated method |
| 05/30/2014 | WO2014079473A1 Production and/or process control system |
| 05/30/2014 | WO2013160686A3 Oilfield apparatus and methods of use |
| 05/29/2014 | US20140145402 Annular barrier with external seal |
| 05/29/2014 | US20140144653 Annulus Mounted Potential Energy Driven Setting Tool |
| 05/29/2014 | US20140144648 Connector |
| 05/29/2014 | US20140144646 Well Safety Equipment |
| 05/29/2014 | US20140144637 Use of elastomers to produce gels for treating a wellbore |
| 05/29/2014 | US20140144636 Composition of packer fluid for deep and ultra-deep wells in environments containing co2 and a process of using the same |
| 05/29/2014 | US20140144635 Methods of Enhancing Fracture Conductivity of Subterranean Formations Propped with Cement Pillars |
| 05/28/2014 | EP2735080A1 Energy and data distribution system |
| 05/28/2014 | EP2734703A2 Apparatus and method of zonal isolation |
| 05/28/2014 | CN203614076U 固井用插头 Cementing plugs |
| 05/28/2014 | CN203614075U 一种封隔器用强制分瓣式整体卡瓦 One kind of packer Used forced split monolithic kava |
| 05/28/2014 | CN203614074U 一种逐级解封可反洗井注水封隔器 One kind of gradual re-opened to the backwash water injection wells packer |
| 05/28/2014 | CN203614073U 隔热型环形油井防喷器 Well-insulated annular BOP |
| 05/28/2014 | CN203614072U 油田井口阀门防盗装置 Oilfield wellhead valve anti-theft device |
| 05/28/2014 | CN203614071U 油井盘根盒润滑器 Well packing box lubricator |
| 05/28/2014 | CN203614070U 一种捞油井井口控制器 One kind of fishing wellhead controller |
| 05/28/2014 | CN203614069U 一种抽油井井口液压盘根盒 One kind of pumping oil wellhead hydraulic packing boxes |
| 05/28/2014 | CN103821544A 隧道与地下工程高压大流量突涌水治理方法 Tunnels and Underground Engineering sudden gushing high pressure and large flow control methods |
| 05/28/2014 | CN103821488A 逐级坐封、射孔的压裂管柱及其使用方法 Progressively packer, perforating and fracturing string Use |
| 05/28/2014 | CN103821475A 一种动态堵漏仪及使用所述动态堵漏仪的动态堵漏方法 A dynamic sealing devices and methods using dynamic plugging plugging a dynamic instrument |
| 05/28/2014 | CN103821474A 一种超低渗透油藏深部调剖方法 A reservoir deep profile method low permeability |
| 05/28/2014 | CN103820089A 乳化沥青选择性堵水剂及其制备方法 Emulsified asphalt selective blocking agent and its preparation method |
| 05/28/2014 | CN102654043B 自坐封式油管堵塞器 Self-packer-type tubing plug device |
| 05/28/2014 | CN102635325B 机械化修井作业浮动式井口保护装置及使用方法 Mechanization workover floating wellhead protection device and method of use |
| 05/28/2014 | CA2797836A1 Method and apparatus for sealing and venting of pressurized casings of gas wells |
| 05/27/2014 | US8733458 Method and apparatus for setting a packer |
| 05/27/2014 | US8733457 Method and apparatus for axially displacing coiled tubing while minimizing fatigue |
| 05/27/2014 | US8733452 Riser section connector with flanges and external locking ring |
| 05/27/2014 | US8733441 Sealing of thief zones |
| 05/27/2014 | US8733440 Well cement compositions comprising biowaste ash and methods of use |
| 05/27/2014 | US8733436 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 05/27/2014 | CA2804679C Closure for a drill hole |
| 05/27/2014 | CA2797368A1 Sagd container wellpad assembly |
| 05/27/2014 | CA2773413C Downhole tool with pumpable section |
| 05/27/2014 | CA2710857C Wellbore pipe centralizer having increased restoring force and self-sealing capability |
| 05/22/2014 | WO2014078302A2 Apparatus and methods for releasing drilling rig and blowout preventer (bop) prior to cement bonding |
| 05/22/2014 | WO2014078296A2 Tension tubing hanger and method of applying tension to production tubing |
| 05/22/2014 | WO2014078169A1 Shape memory cup seal and method of use |
| 05/22/2014 | WO2014078163A1 Kinetic hydrate inhibitors with pendent amino functionality |
| 05/22/2014 | WO2014078094A2 Intelligent wellhead running system and running tool |
| 05/22/2014 | WO2014078089A1 Slotted metal seal |
| 05/22/2014 | WO2014078069A1 Sealant for non aqueous drilling fluid channel in wellbore |
| 05/22/2014 | WO2014078023A1 Self-energized seal or centralized and associated setting and retraction mechanism |
| 05/22/2014 | WO2014077948A1 Drag enhancing structures for downhole operations, and systems and methods including the same |
| 05/22/2014 | WO2014077885A1 Filtration system and method for a packer |
| 05/22/2014 | WO2014077830A1 Assisting retrieval of a downhole tool |
| 05/22/2014 | WO2014027245A3 Puncher tool |
| 05/22/2014 | WO2013152195A3 Wellsite connector with floating seal member and method of using same |
| 05/22/2014 | WO2013152187A3 Wellsite connector with piston driven collets and method of using same |
| 05/22/2014 | US20140138101 Wellbore tool with indexing mechanism and method |
| 05/22/2014 | US20140138097 Cementing plug apparatus and method |
| 05/22/2014 | US20140138089 System and method for producing high pressure foam slurry |
| 05/22/2014 | US20140138088 Shape Memory Cup Seal and Method of Use |
| 05/22/2014 | US20140138087 Method of re-fracturing using borated galactomannan gum |
| 05/22/2014 | US20140138086 Apparatus and Methods For Releasing Drilling Rig and Blowout Preventer (BOP) Prior to Cement Bonding |
| 05/22/2014 | US20140138078 Tool and Method to Plug and Abandon Well |
| 05/21/2014 | EP2732543A1 Power cell for deepwater application |
| 05/21/2014 | EP2732126A2 Remotely activated downhole apparatus and methods |
| 05/21/2014 | EP2732125A1 Subsea transformer |
| 05/21/2014 | CN203603840U 固井用耐磨胶塞 Cementing wear-resistant rubber plug |
| 05/21/2014 | CN203603839U 固井用加热配制药液装置 Cementing the preparation of liquid heating device |
| 05/21/2014 | CN203603838U 防旋转浮箍浮鞋 Anti-rotation float collar float shoe |
| 05/21/2014 | CN203603837U 封隔器 Packer |
| 05/21/2014 | CN203603836U 导向止水隔离器 Guide seal isolator |
| 05/21/2014 | CN203603835U 连续油管用井下飞镖式堵塞工具 Darts style coiled tubing downhole plugging tool |
| 05/21/2014 | CN203603834U 连续油管用井下投球式堵塞工具 Coiled tubing downhole plugging tool pitching style |
| 05/21/2014 | CN203603833U 油气井封隔器用可控主动胀环 Used oil and gas wells packers controlled active expander |
| 05/21/2014 | CN203603832U 采油井坐封过电缆封隔器的堵塞器 Production wells over cable packer packer plugging device |
| 05/21/2014 | CN203603831U 电缆防喷装置用介质注入、解堵与试压设备 Cable blowout preventer with medium injection, plugging and pressure test equipment |
| 05/21/2014 | CN203603830U 一种防喷器 One kind of blowout preventer |
| 05/21/2014 | CN203603829U 钻具的防喷装置 The blowout preventer drill |
| 05/21/2014 | CN203603828U 矿井下探测水防突控制装置 Detecting the mine water outburst prevention control device |
| 05/21/2014 | CN203603827U 抽油机井防喷装置 Pumping Well Blowout Preventer |
| 05/21/2014 | CN203603826U 一种同位素示踪注液剖面测井防喷盒 An isotope tracer liquid injection profile logging BOP box |
| 05/21/2014 | CN203603825U 一种内置循环水冷的环形防喷器 A built cycle water-cooled annular BOP |
| 05/21/2014 | CN203603824U 双卡瓦式井口连续油管悬挂装置 Double Grip wellhead coiled tubing suspension |
| 05/21/2014 | CN203603823U 卡箍防盗护罩 Clamps security guard |
| 05/21/2014 | CN203603822U 一种抽油机井井口盘根盒 One kind of pumping wells wellhead packing boxes |
| 05/21/2014 | CN203603821U 采油井口光杆防腐蚀盘根盒 Wellhead corrosion rod packing boxes |
| 05/21/2014 | CN203603820U 一种煤矿打钻用瓦斯防喷及密封除尘装置 One kind of coal mine gas drilling BOP and seal with dust removal device |
| 05/21/2014 | CN203603819U 一种高压型不压井作业装置 A high-pressure type snubbing unit |