| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 12/21/2011 | CN102287163A 煤矿井下超高压压裂孔的钻孔封孔方法及封孔装置 EHV underground coal mine drilling methods and sealing device sealing pressure hiatus |
| 12/21/2011 | CN102287162A 钻孔内小断层的堵漏方法 Borehole plugging method of small faults |
| 12/21/2011 | CN102287161A 一种压缩式封隔器胶筒及其制备方法和用途 A compression packer cones and their preparation and use |
| 12/21/2011 | CN102287160A 双堵塞器注水封隔器 Dual tamper injection packer |
| 12/21/2011 | CN102287159A 一种自平衡式封隔器及方法 A balanced packer and Methods From |
| 12/21/2011 | CN102287158A 一种防止海里钻井输油管泄漏的方法 One way to prevent sea drilling oil pipeline leak |
| 12/21/2011 | CN102287157A 多功能压井放喷管汇 Multifunction kill put the nozzle sinks |
| 12/21/2011 | CN102287156A 用于蒸汽辅助重力泄油开采稠油的同心管井口装置 Concentric tube wellhead for steam-assisted gravity drainage heavy oil exploitation |
| 12/20/2011 | US8079420 Sealing device |
| 12/20/2011 | US8079416 Plug for a perforated liner and method of using same |
| 12/20/2011 | US8079413 Bottom set downhole plug |
| 12/20/2011 | CA2546690C Device for removal and filtration of drilling fluid |
| 12/15/2011 | WO2011156372A2 Low impact ball-seat apparatus and method |
| 12/15/2011 | WO2011156368A2 Ball-seat apparatus and method |
| 12/15/2011 | WO2011156213A1 Process for transporting fracture ("frac") fluid additives to oil and gas wells utilizing ion exchange resin |
| 12/15/2011 | WO2011115805A3 Packer deployed formation sensor |
| 12/15/2011 | US20110303422 Low impact ball-seat apparatus and method |
| 12/15/2011 | US20110303421 Apparatus and method for sealing portions of a wellbore |
| 12/15/2011 | US20110303418 Method and apparatus for reducing impact force in a ball-seat assembly |
| 12/15/2011 | US20110303411 Swellable/degradable "sand" plug system for horizontal wells |
| 12/15/2011 | US20110303409 Downhole Fluid Injection |
| 12/15/2011 | CA2801788A1 Rotating flow control diverter |
| 12/14/2011 | EP2395618A1 Installing a cable in an underwater well installation |
| 12/14/2011 | EP2394019A2 Plug |
| 12/14/2011 | EP2394018A1 Landing string assembly |
| 12/14/2011 | EP2393991A1 Arrangement for a down-the-hole hammer drill for use in soil consolidation through jet grouting |
| 12/14/2011 | EP2265791B1 Device and method of lining a wellbore |
| 12/14/2011 | CN202073532U 转角式闸板封堵阀门 Corner-type gate valve closure |
| 12/14/2011 | CN202073530U 新型勘探用注水泥塞封隔装置 The new exploration by means of cementing plug packer |
| 12/14/2011 | CN202073529U 封隔器胶筒支撑环 Packer rubber tube support ring |
| 12/14/2011 | CN202073528U 扩张式防卡封隔器 Anti-card expandable packer |
| 12/14/2011 | CN202073527U 油田水平井压裂封隔器 Horizontal oil well fracturing packer |
| 12/14/2011 | CN202073526U 带压作业尾管封堵成套装置 Pressure sealing tailpipes complete installation work |
| 12/14/2011 | CN202073525U 作业现场井喷控制器 Job site blowout controller |
| 12/14/2011 | CN202073524U 钻孔拔钻防喷水装置 Anti-drilling corkscrew Sprinklers |
| 12/14/2011 | CN202073523U 一种闸板装卸机构 One kind of gate handling mechanism |
| 12/14/2011 | CN202073522U 一种胶囊式电缆控制头 A capsule cable control head |
| 12/14/2011 | CN202073521U 一种自密封盘根 A self-sealing packing |
| 12/14/2011 | CN202073520U 作业现场油管防盗装置 Anti-theft device tubing job site |
| 12/14/2011 | CN102278101A 一种细分层掺水采油管柱 One kind of neat subdivision layer production string |
| 12/14/2011 | CN102278090A 钻遇储层裂缝的堵漏方法及控制系统 Reservoir fracture plugging drilling method and control system |
| 12/14/2011 | CN102278089A 一种提高地面瓦斯抽排井套管稳定性的方法 A ground gas drainage methods to improve the stability of the well casing |
| 12/14/2011 | CN102278088A 一种解决疏松砂岩稠油油藏出砂的技术 One solution unconsolidated sandstone heavy oil reservoir sand technology |
| 12/14/2011 | CN102278087A 用于连续油管测试的井口对接装置 Coiled tubing wellhead docking device for testing |
| 12/14/2011 | CN102278084A 防脱落防顶卡瓦 Top anti-slip anti-shedding |
| 12/14/2011 | CN102276771A 一种井下凝胶段塞及其制备方法 A downhole gel slug and its preparation method |
| 12/14/2011 | CN101498205B 水平井洗井阀堵塞装置 Horizontal wells flushing valve blockage device |
| 12/14/2011 | CN101382053B 油井封隔器 Well packer |
| 12/14/2011 | CN101382052B 丢手封隔器 Throw hand packer |
| 12/13/2011 | US8074724 Bit-run nominal seat protector and method of operating same |
| 12/13/2011 | US8074723 Ring member for a swellable downhole packer |
| 12/13/2011 | US8074722 Method for securing a damaged wellhead |
| 12/13/2011 | US8074715 Methods of setting particulate plugs in horizontal well bores using low-rate slurries |
| 12/08/2011 | WO2011153524A2 Magnetorheological blowout preventer |
| 12/08/2011 | WO2011151730A2 Apparatus for emergency electrodynamic capping of pipes and wells |
| 12/08/2011 | WO2011151650A2 Well intervention and control method and apparatus |
| 12/08/2011 | WO2011151271A1 Method and apparatus for use in well abandonment |
| 12/08/2011 | WO2011151051A1 Apparatus and method for sealing a pipe severed at a fracture point |
| 12/08/2011 | WO2011127411A3 Fluid displacement methods and apparatus for hydrocarbons in subsea production tubing |
| 12/08/2011 | WO2010131010A8 Subsea winch |
| 12/08/2011 | US20110300008 Compact cable suspended pumping system for lubricator deployment |
| 12/08/2011 | US20110297400 Expandable Packer Construction |
| 12/08/2011 | US20110297399 Injection-point flow control of undamaged polymer |
| 12/08/2011 | US20110297396 Enhanced hydrocarbon well blowout protection |
| 12/08/2011 | US20110297394 Magnetorheological blowout preventer |
| 12/08/2011 | US20110297390 Subsea well containment and intervention aparatus |
| 12/08/2011 | US20110297378 Wellbore servicing compositions and methods of making and using same |
| 12/08/2011 | US20110297377 Stable organic-based fluid loss additive containing an organophilic clay-based suspending agent for use in a well |
| 12/08/2011 | US20110297368 Swellable Packer Slip Mechanism |
| 12/08/2011 | US20110297030 Method and Apparatus for Charging an Upwardly Oriented Hole With a Pumpable Material |
| 12/08/2011 | DE102010031352A1 Sealing unit for sealing mineral oil-borehole in seabed in large water depth, has bubble cap arranged on seabed, and safety valve arranged at penetration point of pipe for closing pipe, where cap has inner area with inlet and outlet valves |
| 12/08/2011 | DE102010029824A1 Method for closing hole against uncontrolled discharge of flow of liquid/gaseous mixture, involves dropping balls or mold bodies downward against raising fluid, so that flow rate of fluid in bore hole is reduced by gradual blockade of hole |
| 12/08/2011 | DE102010022963A1 Method for closing oil sources or sources of other liquid substances that are developed or channeled at bottom of water bodies, involves producing mounting with flexible coupling module by device led in inner space of sampling point |
| 12/08/2011 | DE102010022901A1 Locking cone for borehole, is completely inserted and screwed on flange under sea ground and serves as safety valve, where safety valve is provided for oil conveying system which is located at pipe end and closes automatically |
| 12/08/2011 | DE102010022770A1 Method for closing of openings in boreholes for extraction of crude oil or natural gas, involves triggering explosive force or bomb at earth or sea bottom close to or in outlet point of crude oil or natural gas |
| 12/08/2011 | DE102010022650A1 Vorrichtung zum Abführen eines aus dem Meeresgrund hervorquellenden Materials und Verfahren A device for removing a bulging from the seabed material and method |
| 12/08/2011 | DE102010022478A1 Absaugvorrichtung Suction |
| 12/08/2011 | DE102010022475A1 Device for sealing flow-through tubes to canalize flow of material, has double-jacketed pipe, where sealing of pipe cross-section is taken place between pipe and device such that material flow is bypassed and/or canalized |
| 12/08/2011 | DE102010017268A1 Method for closing borehole in bed of water body i.e. sea, involves arranging chain over borehole, and sealing borehole with chain such that discharging of liquid or gas from borehole is partially prevented |
| 12/08/2011 | CA2836418A1 Method and apparatus for use in well abandonment |
| 12/07/2011 | EP2392769A2 Obtaining data from an underwater component |
| 12/07/2011 | EP2391797A1 Methods of setting particulate plugs in horizontal well bores using low-rate slurries |
| 12/07/2011 | EP2391796A1 Annular barrier and annular barrier system |
| 12/07/2011 | EP1339811B1 Environmentally acceptable fluid polymer suspension for oil field services |
| 12/07/2011 | CN202064901U 减缓抽油泵上部油管弯曲的分采管柱 Slowing the upper pump tubing string bending points collected |
| 12/07/2011 | CN202064893U 一种套管阀门开启关闭装置 One kind of casing open and close the valve device |
| 12/07/2011 | CN202064891U 井口安全防盗旋塞阀 Wellhead security alarm cock |
| 12/07/2011 | CN202064888U 井壁滚压堵漏器 Rolling wellbore plugging |
| 12/07/2011 | CN202064887U 平衡水泥塞碰压装置 Balanced cement plug touch pressure device |
| 12/07/2011 | CN202064886U 泥浆配置一体化模块 Mud integrated module configuration |
| 12/07/2011 | CN202064885U 不钻塞分级注水泥器 No drill plug grading Cementer |
| 12/07/2011 | CN202064884U 补偿自锁封隔器 Compensation for self-locking packer |
| 12/07/2011 | CN202064883U 灌注封隔器 Perfusion packer |
| 12/07/2011 | CN202064882U 可快速拆装的冲砂接头 Quick disassembly of the red sand joints |
| 12/07/2011 | CN202064881U 封隔器的压缩式胶筒密封装置 Packer seal compression cones |
| 12/07/2011 | CN202064880U 高压压裂长胶筒封隔器 High pressure fracturing long plastic tube packer |
| 12/07/2011 | CN202064879U 一种井下封隔套 A downhole packer sleeve |
| 12/07/2011 | CN202064878U 井下防盗封井装置 Anti-theft devices downhole plugging |
| 12/07/2011 | CN202064877U Sealed blowout preventing box |
| 12/07/2011 | CN202064876U 双联式液压连接器 Duplex hydraulic connector |