| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 06/18/2014 | EP2742209A1 Fluid sample cleanup |
| 06/18/2014 | DE112010001644T5 Frakturierungssystem für offenes Bohrloch Frakturierungssystem for open hole |
| 06/18/2014 | DE102013003639B3 Vorrichtung und Verfahren zum Abführen eines aus dem Meeresgrund hervorquellenden Materials Apparatus and method for removing a bulging from the seabed material |
| 06/18/2014 | CN203655345U 一种封孔器 One kind of sealing device |
| 06/18/2014 | CN203655265U 用于煤矿突出预测的深钻孔瓦斯涌出初速度测定仪 Deep drilling for coal mine gas outburst prediction of the initial velocity emission analyzer |
| 06/18/2014 | CN203655257U 一种轴向截流空心配水管柱 Closure with an axially hollow water column |
| 06/18/2014 | CN203655254U 单层调剖器 Single profile is |
| 06/18/2014 | CN203655223U 一种封孔器 One kind of sealing device |
| 06/18/2014 | CN203655222U 一种快速连接的煤矿井下注浆管 A quick connection of coal mine grouting pipe |
| 06/18/2014 | CN203655221U 一种新型结构的固井拖车 A new structure of cementing trailer |
| 06/18/2014 | CN203655220U 一种瓦斯抽采钻孔气囊封堵带压注浆封孔装置 One kind of gas Borehole Pressure grouting sealing balloon occlusion device |
| 06/18/2014 | CN203655219U 封隔胶筒金属保护环及封隔胶筒 Packer cones metal protective ring and packer cones |
| 06/18/2014 | CN203655218U 液力膨胀式可重座裸眼封隔器 Hydraulic expansive re openhole packer seat |
| 06/18/2014 | CN203655217U 新型丢手封隔器 The new cast hand packer |
| 06/18/2014 | CN203655216U 井口防喷器液压开关控制装置 Wellhead BOP hydraulic switch control device |
| 06/18/2014 | CN203655215U 一种快卸式复合胶芯筒形防喷器 In fast removable adhesive core barrel BOP |
| 06/18/2014 | CN203655214U 变径胶芯 Reducing plastic core |
| 06/18/2014 | CN203655213U 嵌入式防喷孔导流装置 Embedded BOP hole deflector |
| 06/18/2014 | CN203655212U 泄压式密封段 Relief seal segment |
| 06/18/2014 | CN203655211U 石油、天然气注采井口法兰泄漏快速带压封堵装置 Oil, gas injection wellhead flange fast with pressure leak sealing device |
| 06/18/2014 | CN203655210U 一种含水层水头监测用封孔器及监测仪 An aqueous layer head with a sealing device and monitor Monitor |
| 06/18/2014 | CN103874824A Sealing material for annular barriers |
| 06/18/2014 | CN103867165A Device and method for safely and efficiently exploiting ocean natural gas hydrate through depressurizing decomposition |
| 06/18/2014 | CN103867160A Pulling expansion type fast hole packer |
| 06/18/2014 | CN103867159A Integrated mechanical clamp seal type packer of pump seal and method for preventing tubular column from being bent |
| 06/18/2014 | CN103867158A Underwater drilling fast blockage air bag and blockage method thereof |
| 06/18/2014 | CN103867157A Fast blocking device of pipe opening |
| 06/18/2014 | CN103865510A Thermal-recovery injection well gel single-liquid modifying and flooding agent and modifying and flooding method thereof |
| 06/18/2014 | CN103865503A Novel high-temperature resistant inorganic particle-gel compound double-liquid blocking agent and blocking method thereof |
| 06/18/2014 | CN103865500A Liquid rubber plug and method for pulling out coiled tubing velocity pipe column by using liquid rubber plug under pressure |
| 06/18/2014 | CN103864377A Pore sealing and plugging material suitable for laneways and application method thereof |
| 06/18/2014 | CN102644476B Method for pumping gas of protected layer by layer penetration and hole drilling on high-position drilling fields of protecting layer machinery tunnel |
| 06/18/2014 | CN101849081B Self-energizing annular seal |
| 06/17/2014 | US8752653 Dual ball upper internal blow out preventer valve |
| 06/17/2014 | US8752638 Downhole apparatus with a swellable centraliser |
| 06/17/2014 | US8752637 Extendable conductor stand and method of use |
| 06/17/2014 | US8752636 Tubular handling apparatus |
| 06/17/2014 | US8752634 Segmented seal ring and support of same |
| 06/17/2014 | US8752626 Compositions and methods for treatment of well bore tar |
| 06/17/2014 | CA2828259C Magnetic installation and retrieval tool for fluid lift plungers |
| 06/17/2014 | CA2710079C Esp for perforated sumps in horizontal well applications |
| 06/17/2014 | CA2658943C Composition and method for using waxy oil-external emulsions to modify reservoir permeability profiles |
| 06/17/2014 | CA2615543C Wireline entry sub |
| 06/17/2014 | CA2603715C Method and apparatus for re-entering an abandoned well |
| 06/14/2014 | CA2799910A1 Drive head for a wellhead |
| 06/12/2014 | WO2014089326A1 Apparatus and methods usable for connecting well equipment |
| 06/12/2014 | WO2014089150A1 Fold back swell packer |
| 06/12/2014 | WO2014089039A1 Connector apparatus for subsea blowout preventer |
| 06/12/2014 | WO2014088915A1 Additive for well cementing applications |
| 06/12/2014 | WO2014088815A1 Methods for treating a subterranean well |
| 06/12/2014 | WO2014088736A1 Expandable tubular and method of making same |
| 06/12/2014 | WO2014088679A1 An oil or gas treatment fluid containing a chelate or coordination complex that sets |
| 06/12/2014 | WO2014088594A1 Gravel packing apparatus having locking jumper tubes |
| 06/12/2014 | WO2014088579A1 Rupture disc secondary seal assembly and related methods |
| 06/12/2014 | WO2014088550A1 Packer setting tool |
| 06/12/2014 | WO2014088417A1 Radial clamping/sealing system and drilling system provided therewith for (semi)-continuous drilling a borehole, drilling rig comprising such system, and method there for |
| 06/12/2014 | US20140158367 Wellhead latch and removal systems |
| 06/12/2014 | US20140158366 Subsea Completion With a Tubing Spool Connection System |
| 06/12/2014 | US20140158365 Underwater device and method for blocking outflow of a fluid like oil or gas by an underwater well |
| 06/12/2014 | US20140158363 Wellbore servicing fluids and methods of making and using same |
| 06/12/2014 | US20140158355 Crosslinked synthetic polymer gel systems for hydraulic fracturing |
| 06/12/2014 | US20140158354 Viscous settable fluid for lost circulation in subterranean formations |
| 06/12/2014 | US20140158348 Multi-Position Weight Down Locating Tool |
| 06/11/2014 | EP2740885A2 Wellhead latch and removal systems |
| 06/11/2014 | CN203640685U 一种井口生产流道快速截断装置 One kind of wellhead production runner rapid shutoff device |
| 06/11/2014 | CN203640681U 桥塞坐封工具和使用其的桥塞坐封装置 Bridge plug and packer tools using the same bridge plug packer device |
| 06/11/2014 | CN203640680U 双导杆强制复位式浮箍 Double guide rod forced reset float collar |
| 06/11/2014 | CN203640679U 两堵一注注浆封孔器 Two block an injection grouting sealing device |
| 06/11/2014 | CN203640678U 一种固井水泥车用新型下灰装置 Cementing Truck with one kind of new devices under gray |
| 06/11/2014 | CN203640677U 环空加压封隔器 Annulus pressure packer |
| 06/11/2014 | CN203640676U 一种压缩膨胀式封隔器的膨胀装置 An inflatable packer's expansion device Compression |
| 06/11/2014 | CN203640675U 一种用于水平井体积压裂的封隔器装置 Packer device for volume fracturing of horizontal wells |
| 06/11/2014 | CN203640674U 扩张式封隔器 Expandable packer |
| 06/11/2014 | CN203640673U 预置式堵塞器及其投放、打捞工具 Preset blockage and its delivery, fishing tools |
| 06/11/2014 | CN203640672U 一种油层保护开关 One kind of reservoir protection switch |
| 06/11/2014 | CN203640671U 一种双料封孔袋 One kind of double sealing bag |
| 06/11/2014 | CN203640670U Rtts封隔器自助解封安全接头 Rtts packer buffet unblocking safety joint |
| 06/11/2014 | CN203640669U 一种平衡式注水封隔器 A balanced water injection packer |
| 06/11/2014 | CN203640668U 快速填砂管柱 Quick fill sand column |
| 06/11/2014 | CN203640667U 手动闸板式抽油杆防喷器 Manual gate-type rod BOP |
| 06/11/2014 | CN203640666U 杠杆式油井断杆防喷装置 Leveraged well-off lever blowout preventer |
| 06/11/2014 | CN203640665U 液力式油井断杆防喷装置 Hydraulic lever-type wells off blowout preventer |
| 06/11/2014 | CN203640664U 活塞式油井断杆防喷装置 Well broken piston rod blowout preventer |
| 06/11/2014 | CN203640663U 球阀式油井断杆防喷装置 Well-off valve lever type blowout preventer |
| 06/11/2014 | CN203640662U 油井断杆防喷装置 Well off the bar blowout preventer |
| 06/11/2014 | CN203640661U 销钉式油井断杆防喷装置 Well-off lever pin type blowout preventer |
| 06/11/2014 | CN203640660U 油水井井口设备便携式维修操作平台 Oil wells, wellhead equipment portable maintenance platform |
| 06/11/2014 | CN203640659U 一种油水井井口护帽 An oil wells, wellhead protection cap |
| 06/11/2014 | CN203640658U 一种用于海上井口装置的压裂井口保护器远程测控装置 Fracturing wellhead protection device for remote monitoring and control device for offshore wellhead |
| 06/11/2014 | CN203640657U 用于间歇提捞式抽油机的井口保护装置 Intermittent bailing pumping unit for wellhead protection |
| 06/11/2014 | CN203640656U 用于抽放瓦斯的锥形封孔器 For gas drainage tapered sealing device |
| 06/11/2014 | CN203640655U 井口内置式防盗丝堵的拆装工具 Wellhead built-in anti-theft wire blocking entry tools |
| 06/11/2014 | CN103850697A Hole packer for drawing out methane and grouting |
| 06/11/2014 | CN103850663A Extractable type integrated setting and ash-extruding bridge plug |
| 06/11/2014 | CN103850662A Underwater annular preventer |
| 06/11/2014 | CN103850661A Padding filling device for efficient energy-saving environment-friendly mechanical sealing device |
| 06/11/2014 | CN102691492B System and process of screen pipe completion and cross oil layer cementing for steam injection heavy oil well |
| 06/11/2014 | CN102536156B High-voltage packer for measuring ground stress of deep hole and method for manufacturing rubber sleeve of packer |
| 06/11/2014 | CN102444392B Cement paste system choosing method capable of preventing oil, gas and water from channeling |
| 06/11/2014 | CN102410271B Control valve of deep-water blowout preventer |