| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 01/15/2015 | US20150013971 Test packer and method for use |
| 01/15/2015 | US20150013965 Wellbore composite plug assembly |
| 01/15/2015 | US20150013964 Treatment plug, method of anchoring and sealing the same to a structure and method of treating a formation |
| 01/14/2015 | EP2824275A1 Subsea unit with cooling of electronic devices |
| 01/14/2015 | EP2823211A2 Improvements on foldable sandwich tubular structure |
| 01/14/2015 | EP2823142A1 A method for combined cleaning and plugging in a well and a flushing tool for flushing in a well |
| 01/14/2015 | EP2823140A1 Method for zone isolation in a subterranean well |
| 01/14/2015 | EP2823139A2 External casing packer and method of performing cementing job |
| 01/14/2015 | EP2823138A1 Deactivation of packer with safety joint |
| 01/14/2015 | EP2823137A1 Toe circulation sub |
| 01/14/2015 | EP2823135A2 Remotely activated down hole systems and methods |
| 01/14/2015 | CN204098889U 可控高温滑套封隔器分段压裂工具 Controlled temperature packer sleeve staged fracturing tool |
| 01/14/2015 | CN204098854U 一种电缆桥塞投送器点火密封装置 A cable bridge plug ignition seal delivery |
| 01/14/2015 | CN204098853U 一种自动搅拌式注液器 An automatic injector stirred |
| 01/14/2015 | CN204098852U 一种固井水泥头 One kind of cementing head |
| 01/14/2015 | CN204098851U 一种柱梁式注浆装置 One kind of device and column grouting |
| 01/14/2015 | CN204098850U 一种通底式免钻分级箍 One kind of hearth-free diamond grading through hoops |
| 01/14/2015 | CN204098849U 一种液压坐封大通径可取式插管封隔器 A hydraulic packer Chase Drive retrievable packer intubation |
| 01/14/2015 | CN204098848U 一种趾端锚定式裸眼管外封隔器 One kind of toe anchorages openhole packer tube |
| 01/14/2015 | CN204098847U 液压坐封分层同采管柱 Hydraulic mining packer layered with strings |
| 01/14/2015 | CN204098846U 高性能球形封井防喷器 High-performance spherical plugging BOP |
| 01/14/2015 | CN204098845U 压环式套管连接装置 Casing pressure rings connected device |
| 01/14/2015 | CN204098844U 一种自由站立式立管顶部连接结构 A free-standing structure on top riser connection |
| 01/14/2015 | CN204098843U 抽油井光杆密封器润滑装置 Rod pumping wells sealer lubricating device |
| 01/14/2015 | CN204098842U 一种自动补角纠偏的光杆密封器 An automatic correction supplementary angle light pole sealer |
| 01/14/2015 | CN204098841U 海洋采油树双v型高压密封装置 Ocean Christmas Tree double v-pressure sealing device |
| 01/14/2015 | CN204098840U 井口封隔引流装置 Wellhead packer drainage device |
| 01/14/2015 | CN204098839U 井口防挂装置 Wellhead anti-hanging device |
| 01/14/2015 | CN204098832U 一种防喷器试压专用悬挂器 One kind of BOP pressure test special hanger |
| 01/14/2015 | CN204098830U 油水井溢流导流器 Oil wells overflow diverter |
| 01/14/2015 | CN204098016U 注浆气垫塞 Grouting cushion stuffed |
| 01/14/2015 | CN204094724U 防喷器侧门骨架取出工具及防喷器侧门骨架装置 BOP door skeleton extraction tool and BOP side door frame means |
| 01/14/2015 | CN104285032A 可分解和贴合的金属性密封件及其制备方法 Biodegradable and metallic seals and preparation method of bonding |
| 01/14/2015 | CN104285031A 带有锁定柱塞组件的防喷器及其使用方法 Lock plunger assembly and method of use with BOP |
| 01/14/2015 | CN104285030A 防喷锁定门组件及其使用方法 BOP locked door assembly and method of use |
| 01/14/2015 | CN104285029A 用于移动连续管柱的井下方法和可膨胀箍 Methods for moving continuous downhole string and an inflatable cuff |
| 01/14/2015 | CN104278988A 侧钻井三层找卡水与生产作业一体化管柱及其作业方法 Sidetrack three cards to find water and the integration of production operations and operating methods string |
| 01/14/2015 | CN104278987A 侧钻井二层找卡水与生产作业一体化管柱及其作业方法 Sidetrack the second floor to find the card with the production operations integrated water column and operating methods |
| 01/14/2015 | CN104278979A 连续油管射孔桥塞封隔压裂方法 Coiled tubing bridge plug packer perforating fracturing method |
| 01/14/2015 | CN104278969A 一种瓦斯抽采钻孔封堵方法及装置 One kind of gas drainage drilling method and apparatus for sealing |
| 01/14/2015 | CN104278968A 一种活塞式释放水力激荡的承压短节和组合式管柱 One kind of piston hydraulic release bearing surging short section and modular column |
| 01/14/2015 | CN104278967A 用于石油固井用筛管的承压装置 Pressure means for cementing oil screen of |
| 01/14/2015 | CN104278966A 高性能球形封井防喷器 High-performance spherical plugging BOP |
| 01/14/2015 | CN104278965A 不压井作业自动过接箍装置及其控制方法 Snubbing automatically through the device and its control method coupling |
| 01/13/2015 | US8932034 Well pump with seal section having a labyrinth flow path in a metal bellows |
| 01/13/2015 | US8931577 Double valve block and actuator assembly including same |
| 01/13/2015 | US8931559 Downhole isolation and depressurization tool |
| 01/13/2015 | US8931551 Multipart frac head with replaceable components |
| 01/13/2015 | CA2720443C Debris barrier for downhole tools |
| 01/08/2015 | WO2015003190A2 Blowout preventer monitor with trigger sensor and method of using same |
| 01/08/2015 | WO2015003179A1 Blowout preventer, flow regulator and recovery device |
| 01/08/2015 | WO2015003071A2 Stuffing box leak containment apparatus |
| 01/08/2015 | WO2015002822A1 Selective plugging element and method of selectively plugging a channel therewith |
| 01/08/2015 | WO2015002710A1 Fusible alloy plug in flow control device |
| 01/08/2015 | WO2015001451A2 Packer apparatuses |
| 01/08/2015 | WO2015000072A1 Improved hydrocarbon recovery process exploiting multiple induced fractures |
| 01/08/2015 | WO2015000071A1 Method for producing oil from induced fractures using a single wellbore and multiple-channel tubing |
| 01/08/2015 | US20150008646 Seal assembly and method of forming a seal assembly |
| 01/08/2015 | US20150008003 Selective plugging element and method of selectively plugging a channel therewith |
| 01/08/2015 | US20150008000 Power actuator device and method for submerged use at petroleum exploitation |
| 01/08/2015 | US20150007992 Use of terpolymers as fluid loss additives in well cementing |
| 01/08/2015 | US20150007991 Method for Establishment of a New Well Path from an Existing Well |
| 01/08/2015 | US20150007985 Packer-Packer Vertical Interference Testing |
| 01/08/2015 | US20150007980 Combination plug and setting tool with centralizers |
| 01/08/2015 | US20150007978 Stuffing box leak containment apparatus |
| 01/08/2015 | DE102013011156A1 Bohrlochkomplettierung einer Speicherbohrung A completion of a memory hole |
| 01/07/2015 | EP2820413A1 Testing compressive and tensile strength of cement in a single device |
| 01/07/2015 | EP2820344A1 Hub and connector arrangement |
| 01/07/2015 | CN204082090U 一种套管外封隔器控制阀系 One kind of external casing packer control valve system |
| 01/07/2015 | CN204082088U 可实现分段固井的套管隔断装置 Cementing of casing can achieve sub-off device |
| 01/07/2015 | CN204082087U 小泵增压调堵撬装结构 Small booster pump skid plugging structure |
| 01/07/2015 | CN204082086U 一种可回收式悬挂封隔器 A recyclable suspension packer |
| 01/07/2015 | CN204082085U 一种洗井封隔器 One kind of flushing packer |
| 01/07/2015 | CN204082084U 高压验封封隔器 High-pressure test packer |
| 01/07/2015 | CN204082083U 一种液压开启管柱压缩式封隔器 A hydraulic open string compression packer |
| 01/07/2015 | CN204082082U 循环堵塞器 Circulation is blocked |
| 01/07/2015 | CN204082081U 高强度橡胶双组合封孔器 Dual combination of high strength rubber sealing device |
| 01/07/2015 | CN204082080U 一种油管堵塞器 Tubing is one kind of jam |
| 01/07/2015 | CN204082079U 适用于钻井设备防喷器上的闸板胶芯 Applies to ram plastic core drilling equipment on the BOP |
| 01/07/2015 | CN204082078U 一种直接蓄能自动防喷的井口密封器 A direct-storage wellhead blowout preventer automatic sealers |
| 01/07/2015 | CN204082077U 一种防喷器壳体与开启、关闭活塞杆联接装置 One kind of BOP housing and opening, closing rod coupling means |
| 01/07/2015 | CN204082076U 石油防喷器用支撑保护装置 Used oil blowout protector support |
| 01/07/2015 | CN204082075U 防喷器及其侧门开启装置 BOP and door openers |
| 01/07/2015 | CN204082074U 油田建设用防喷储运装置 BOP oilfield construction storage device |
| 01/07/2015 | CN204082073U 一种双插式孔口控水防喷装置 A dual push-opening blowout preventer control water |
| 01/07/2015 | CN204082072U 采油树防盗保护装置 Christmas tree theft protection |
| 01/07/2015 | CN204082071U 一种采油井用的井口盘根盒 One kind of wellhead production wells with packing box |
| 01/07/2015 | CN204082070U 一种井口套管头自动补压、环空泄压装置 One kind of wellhead casing head automatically fill pressure, annulus pressure relief device |
| 01/07/2015 | CN204081996U 一种用于巷道底板的快速注浆钻孔设备 Quick roadway floor grouting for drilling equipment |
| 01/07/2015 | CN204080836U 一种建筑地下室内降水井的快速封堵装置 Precipitation in the basement of a building wells quick blocking device |
| 01/07/2015 | CN204075197U 一种用于井下施工用的可溶解金属结构 Soluble metal structures used for underground construction |
| 01/07/2015 | CN104271871A 防喷密封组件及其使用方法 BOP seal assembly and method of use |
| 01/07/2015 | CN104271870A 错位耐受的井场连接器组件、系统和方法 Misalignment tolerance wellsite connector assembly, system and method |
| 01/07/2015 | CN104265239A 煤矿瓦斯抽放孔“二堵一注”专用布袋封孔器 Mine gas drainage hole "two blocking a note" special bag sealing device |
| 01/07/2015 | CN104265238A 自灌浆套管浮箍旋转导向引鞋 Since the grout float collar sleeve rotary steerable guide shoe |
| 01/07/2015 | CN104265237A 一种瓦斯抽采孔的封孔方法 One kind of gas drainage hole sealing method |
| 01/07/2015 | CN104265236A 尾管固井尾管座挂用投球器及其控制方法 Liner Cementing tailpipes seat hanging by pitching its control method |
| 01/07/2015 | CN104265235A 一种液压坐封大通径可取式插管封隔器 A hydraulic packer Chase Drive retrievable packer intubation |
| 01/07/2015 | CN104265234A 恒压力分级解封封隔器 Constant pressure rating unblocking packer |
| 01/07/2015 | CN104265233A 隔膜扩张式封隔器 Diaphragm expansion packer |