| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 01/07/2015 | CN104265232A 一种具有双级封隔单元的k344型封隔器 K344 packer packer having a two-stage unit |
| 01/07/2015 | CN104265231A 循环堵塞器及其使用方法 Circulation blockage and its use |
| 01/07/2015 | CN104265230A 一种油田用井下封隔器和桥塞补偿式密封机构 One kind of oilfield downhole packer and bridge plug compensated sealing mechanism |
| 01/07/2015 | CN104265229A 一种用于涌水炮孔的堵水方法 A gushing of water shut-off method for blast hole |
| 01/07/2015 | CN104265228A 自由站立式立管顶部连接结构 Free-standing riser top connection structure |
| 01/07/2015 | CN104265227A 海上钻井支持平台随动对中气动软连接器 Offshore drilling platform support for the pneumatic servo soft connector |
| 01/07/2015 | CN104265226A 一种自定心光杆密封器 A self-centering rod sealer |
| 01/07/2015 | CN104265171A 一种垂直钻井自动调整装置及调整方法 The vertical drilling automatic adjustment device and adjustment method |
| 01/07/2015 | CN102561977B 高压大流量涌水钻孔安全系统及其安装工艺、使用工艺 High pressure and large flow gushing drilling safety systems and their installation process, the use of technology |
| 01/07/2015 | CN102561972B 螺杆抽油机密封 Screw pumping seal |
| 01/07/2015 | CN102425400B 一种不动管柱实现多层选压的压裂工艺 A non-moving string fracturing pressure to achieve multi-selection process |
| 01/07/2015 | CN102187052B 用于形成地下井眼的系统和方法 System and method for forming an underground borehole |
| 01/06/2015 | US8927466 Fluid pressure transmission pill |
| 01/06/2015 | US8925639 Seal with bellows style nose ring and radially drivable lock rings |
| 01/06/2015 | US8925635 Recovery valve |
| 01/06/2015 | US8925628 Wellhead downhole line communication arrangement |
| 01/06/2015 | US8925213 Wellbore caliper with maximum diameter seeking feature |
| 01/06/2015 | CA2743142C Particulate bridging agents used for forming and breaking filtercakes on wellbores |
| 01/06/2015 | CA2677786C Locking cap for subsea tree |
| 01/01/2015 | US20150001426 Stab connector and method of use thereof |
| 01/01/2015 | US20150000936 Energization of an element with a thermally expandable material |
| 01/01/2015 | US20150000935 Multi-stage well system and technique |
| 01/01/2015 | US20150000932 Completion System and Method for Completing a Wellbore |
| 01/01/2015 | US20150000911 Method of isolating a wellbore with solid acid for fracturing |
| 01/01/2015 | US20150000901 Ball launcher |
| 01/01/2015 | US20150000893 Controlled aperture ball drop |
| 01/01/2015 | US20150000891 Cementing Tool |
| 12/31/2014 | CN204061134U 骨架式“o”型密封圈 Skeleton-type "o" ring type |
| 12/31/2014 | CN204060772U 钻孔三防密封瓦斯处理器 Three anti-sealing gas drilling processor |
| 12/31/2014 | CN204060625U 一种水下井口装置用冲洗工具 Underwater wellhead flushing tool |
| 12/31/2014 | CN204060616U 一种适合直井缝网压裂的桥塞工具 One suitable vertical well fracturing fracture network bridge plug tool |
| 12/31/2014 | CN204060615U 矿井水力压裂钻孔封孔装置 Hydraulic fracturing drilling mine sealing device |
| 12/31/2014 | CN204060614U 连续多层可钻封堵器 Successive layers can be drilled occluder |
| 12/31/2014 | CN204060613U 双胶筒热采封隔器的轴向压缩机构 Twisted tube axial thermal recovery packer compression mechanism |
| 12/31/2014 | CN204060612U 小直径可洗井逐级解封封隔器 Well progressively smaller diameter washable unblocking packer |
| 12/31/2014 | CN204060611U 一种裸眼井挤堵压缩式长胶筒液压封隔器 One kind of openhole crowded block compression long plastic tube hydraulic packer |
| 12/31/2014 | CN204060610U 一种用于瓦斯抽排孔的锥形水泥浮力塞 Cement cone buoyancy for Methane Drainage plug |
| 12/31/2014 | CN204060609U 矿井瓦斯抽采钻孔封孔装置 Mine gas drainage drilling sealing device |
| 12/31/2014 | CN204060608U 一种水下卧式采油树用bop测试工具 Underwater Christmas tree with horizontal bop testing tools |
| 12/31/2014 | CN204060607U 一种电控压缩式井下防喷器 An electrically controlled compression downhole BOP |
| 12/31/2014 | CN204060606U 一种抽油井井口防喷器 One kind of pumping wellhead blowout preventer |
| 12/31/2014 | CN204060605U 一种抽油杆刮油防喷器 One kind of rod wiper BOP |
| 12/31/2014 | CN204060604U 钻井锁扣式防喷器 Drilling locking type BOP |
| 12/31/2014 | CN204060603U 油管悬挂器 Tubing hanger |
| 12/31/2014 | CN204060602U 一种双金属密封式套管头 A dual metal sealed casing head |
| 12/31/2014 | CN204060601U 加长型防喷抗磨双极密封器 Long-wear bipolar sealer BOP |
| 12/31/2014 | CN204060600U 自封井口装置 Self-styled wellhead |
| 12/31/2014 | CN204060549U 井口盘根调偏扶正器 Wellhead packing detuning centralizer |
| 12/31/2014 | CN104254664A 用于从井中生产烃的生产系统 For the production of hydrocarbons from the well production system |
| 12/31/2014 | CN104254663A 管用锚定系统和方法 Effective anchoring system and method |
| 12/31/2014 | CN104251127A 可控液压式封隔器 Controllable hydraulic packer |
| 12/31/2014 | CN104251126A 注水井井口测试防喷装置 Injection well wellhead blowout preventer test |
| 12/31/2014 | CN104251125A 一种万向随动调偏光杆密封机构 Comprising a universal tone polarizing follower rod seal mechanism |
| 12/30/2014 | US8919453 Scalloped landing ring |
| 12/30/2014 | US8919449 Offshore drilling and production systems and methods |
| 12/30/2014 | US8919448 Modular stress joint and methods for compensating for forces applied to a subsea riser |
| 12/30/2014 | US8919441 Method of intersecting a first well bore by a second well bore |
| 12/30/2014 | US8919433 Resilient foam debris barrier |
| 12/30/2014 | US8919430 Blowout container |
| 12/30/2014 | CA2807503C Swellable glass in well tools |
| 12/30/2014 | CA2803450C Mitigating leaks in production tubulars |
| 12/30/2014 | CA2793343C Downhole tool and method |
| 12/30/2014 | CA2677252C Mandrel and associated positioning method |
| 12/30/2014 | CA2664622C Reinforcement of irregular pressure vessels |
| 12/30/2014 | CA2662615C Method of forming subterranean barriers with molten wax |
| 12/25/2014 | US20140374119 Hydraulic Anchor for Downhole Packer |
| 12/25/2014 | US20140374116 Systems and Methods for Tethering Subsea Wellheads to Enhance the Fatigue Resistance of Subsea Wellheads and Primary Conductors |
| 12/25/2014 | US20140374115 Systems and Methods for Tethering Subsea Blowout Preventers to Enhance the Strength and Fatigue Resistance of Subsea Wellheads and Primary Conductors |
| 12/25/2014 | US20140374098 Set-Delayed Cement Compositions Comprising Pumice and Associated Methods |
| 12/24/2014 | CN204041066U 一种用于监测的连续管电缆密封转换连接器 A system for monitoring continuous tube connector converter cable gland |
| 12/24/2014 | CN204041031U 一种喷射封隔工具 An injection packer tool |
| 12/24/2014 | CN204041029U 一种堵水防砂装置 One kind of sand shutoff device |
| 12/24/2014 | CN204041001U 液动井口安全截断装置 Hydraulic wellhead safety shutoff device |
| 12/24/2014 | CN204040999U 一种用于煤层瓦斯抽排的钻孔径向封孔器 Drilling radial sealing device for pumping of coal seam gas |
| 12/24/2014 | CN204040998U 调剖调驱用的配药装置及系统 Profile flooding with dispensing devices and systems |
| 12/24/2014 | CN204040997U 自灌浆浮箍浮鞋 Since the grout float collar float shoe |
| 12/24/2014 | CN204040996U 智能井穿越式封隔器 Smart wells through packer |
| 12/24/2014 | CN204040995U 压缩式封隔器 Compression packer |
| 12/24/2014 | CN204040994U 一种油田开采用的逐级解封封隔器 One kind of oil used progressively open unblocking packer |
| 12/24/2014 | CN204040993U 一种可反洗井钢骨架扩张式注水封隔器 One kind may backwash water injection wells steel skeleton expansion packer |
| 12/24/2014 | CN204040992U 水平井用的管柱 Horizontal well with a string |
| 12/24/2014 | CN204040991U 一种热采封隔器的胶筒 A heat-recoverable packer cones |
| 12/24/2014 | CN204040990U 一种单流可调式堵塞器 A single-flow adjustable blanking plug |
| 12/24/2014 | CN204040989U 一种封隔器 One kind of packer |
| 12/24/2014 | CN204040988U 热采型可移动卡箍法兰式套管头 Thermal recovery type movable clamp flange casing head |
| 12/24/2014 | CN204040987U 抽油井光杆盘根组件 Oil well pumping rod packing assembly |
| 12/24/2014 | CN204040986U 双铰链抽油光杆密封器 Double hinge rod pumping oily sealer |
| 12/24/2014 | CN204040985U 一种高压防喷堵头 A high-pressure BOP plug |
| 12/24/2014 | CN204040984U 气动井口截断装置 Wellhead pneumatic shutoff device |
| 12/24/2014 | CN204040983U 卡瓦紧固装置 Kava fastening device |
| 12/24/2014 | CN204040982U 大壳体的欠平衡钻井旋转控制头 Underbalanced drilling large housing rotating control head |
| 12/24/2014 | CN204040981U 采油井用的光杆密封装置 Production wells with a light rod seal |
| 12/24/2014 | CN204040980U 一种波纹伸缩式盘根盒 Telescopic a corrugated packing boxes |
| 12/24/2014 | CN204040979U 高压测试井低摩阻测井电缆密封器 High voltage test wells low friction wireline sealer |
| 12/24/2014 | CN204040978U 组合式密封盘根 Combined seal packing |
| 12/24/2014 | CN204040977U 一种自喷井的防喷堵头的配件以及防喷堵头 A self-spray well blowout preventer plug and plug accessories |
| 12/24/2014 | CN104246117A 封隔器、密封系统及密封方法 Packer, sealing systems and sealing method |
| 12/24/2014 | CN104246116A 具有密封件的环状屏障 Having an annular barrier seal |
| 12/24/2014 | CN104246115A 高温稳定的可水溶胀的橡胶组合物 High temperature stability of water-swellable rubber composition |
| 12/24/2014 | CN104234660A 一种瓦斯抽采孔的填充方法 One kind of gas drainage hole filling method |