Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 33 - Sealing or packing boreholes or wells
Patents for E21B 33 - Sealing or packing boreholes or wells (33,564)
07/2014
07/30/2014CN203742531U 一种新型半复合扩张式封隔器胶筒 A new semi-complex expansion packer cones
07/30/2014CN203742530U 悬挂封隔器 Hanging packer
07/30/2014CN203742529U 裸眼封隔器 Openhole packer
07/30/2014CN203742528U 液控膨胀封隔器 Pilot inflatable packer
07/30/2014CN203742527U 一种水下钻孔快速封堵气囊 Underwater drilling Rapid sealing balloon
07/30/2014CN203742526U 水泥充填式封隔器 Cement filling packer
07/30/2014CN203742525U 填料加装工具 Packing installation tool
07/30/2014CN203742524U 座封短节 Seat seal pup joints
07/30/2014CN203742523U 水下环形防喷器 Underwater annular BOP
07/30/2014CN203742522U 手动匣板防喷装置 Manual box board blowout preventer
07/30/2014CN203742521U 改进型双闸板防喷器 Improved double plate BOP
07/30/2014CN203742520U 整体可拆卸分级式套管头 Overall detachable hierarchical casing head
07/30/2014CN203742519U 热采套管头用组合式击铁装置 Thermal Recovery Casing head with the hammer modular device
07/30/2014CN203742518U 扩眼型回接工具 Reaming type back tool
07/30/2014CN203742517U 一种可实现双电潜泵切换的水下采油树帽 A subsea tree cap can achieve double electric submersible pump switch
07/30/2014CN203742516U 一种恒流掺水流程组合井口装置 One kind of watered constant process composition wellhead
07/30/2014CN203742515U 抽油机井井口三通防偏装置 Anti-bias tee pumping wellhead apparatus
07/30/2014CN203742514U 井口防气窜装置 Wellhead gas channeling means
07/30/2014CN203742513U 一种用于火驱采油双转偏心测试井口装置 A fire EOR double transgenic eccentric test wellhead
07/30/2014CN203742512U 密封补心 Seal up the heart
07/30/2014CN203742505U 浮球浮箍式预应力固井地锚总成 Cementing float float collar prestressed anchor assembly
07/30/2014CN203742178U 灌浆机 Filling Machine
07/30/2014CN103958823A 用于停止或至少减少烃类从烃抽提井不受控的释放、喷出的方法 Stop or at least reduce the extraction of hydrocarbons from hydrocarbon wells uncontrolled release, discharge method for
07/30/2014CN103958822A 选择性解除的密封系统 Selective lifting of the sealing system
07/30/2014CN103958813A 衬管固井过程和系统 Liner cementing processes and systems
07/30/2014CN103953332A 模拟钻井液动态漏失与堵漏的实验装置及实验方法 Simulation and experimental method of drilling fluid dynamic experimental device leakage and plugging
07/30/2014CN103953331A 一种自钻式煤层瓦斯压力原位测定装置 A self-drilling coal seam gas pressure measuring device in situ
07/30/2014CN103953326A 一种电驱水下应急安全控制系统 An electrically driven underwater emergency safety control system
07/30/2014CN103953311A 内平衡式固井水泥头 Within a balanced cementing head
07/30/2014CN103953310A 无牙支撑封隔器 Toothless support packer
07/30/2014CN103953309A 脐带缆终端冗余式水下分配单元 Underwater umbilical terminal redundancy allocation unit
07/30/2014CN103953308A 一种用于抽油井修井时的防喷装置及方法 An apparatus and method for oil well workover BOP time for drawing
07/30/2014CN103953307A 具有在内部定位的流量计的采油树 Christmas tree has internal positioning flowmeter
07/30/2014CN103952129A 一种油气井固井水泥环自修复液及其制备与应用 One kind of oil and gas wells cementing ring self-healing solution preparation and application
07/30/2014CN102635326B 一种水下卧式采油树系统电液复合贯穿装置 Underwater horizontal christmas tree complex electro-hydraulic system through the device
07/30/2014CN102425392B 液压座封永久式封隔器 Hydraulic seat seal permanent packer
07/30/2014CN102305047B 控制井眼的环形体积内的压力 Controlling wellbore pressure within the annular volume
07/30/2014CN101680270B 水下油井控制系统及方法 Underwater well control system and method
07/30/2014CA2811834A1 Wellbore treatment tool and method
07/29/2014US8789613 Apparatus and methods for retrieving a well packer
07/29/2014US8789612 Open-hole packer for alternate path gravel packing, and method for completing an open-hole wellbore
07/29/2014US8789606 System for controlling functions of a subsea structure, such as a blowout preventer
07/29/2014US8789597 Water self-shutoff tubular
07/29/2014US8789587 Monitoring of downhole parameters and tools utilizing fiber optics
07/29/2014US8789582 Apparatus and methods for well cementing
07/29/2014US8789581 Flow control devices on expandable tubing run through production tubing and into open hole
07/29/2014CA2842765C Composite reconfigurable tool
07/29/2014CA2778731C Downhole ported shifting sleeve
07/29/2014CA2750697C Retractable joint and cementing shoe for use in completing a wellbore
07/24/2014WO2014113139A1 Method and apparatus for characterizing fluid channeling through a cement formation interface of a subterranian wellbore
07/24/2014WO2014113058A2 Degradable ball sealer
07/24/2014WO2014112881A1 Method for stabilizing a cavity in a well
07/24/2014WO2014044843A3 Downhole apparatus and methods
07/24/2014WO2013155206A3 Blowout preventer with locking ram assembly and method of using same
07/24/2014WO2013155191A3 Blowout preventer seal assembly and method of using same
07/24/2014WO2013144529A3 Device for plugging a well
07/24/2014WO2013134034A3 External casing packer and method of performing cementing job
07/24/2014US20140203512 Backup Bullet Seal with Actuation Delay Feature
07/24/2014US20140202698 Set-Delayed Cement Compositions Comprising Pumice and Associated Methods
07/24/2014US20140202697 Well Completion Methods
07/23/2014EP2757229A1 Measuring device and method for monitoring the filling of a borehole
07/23/2014CN203729967U 逐级坐封、射孔的压裂管柱 Progressively packer, perforating the fracturing string
07/23/2014CN203729945U 一种辅助液压坐封球座 An auxiliary hydraulic packer tee
07/23/2014CN203729944U 一种水井漏水堵塞装置 One kind of leaking wells plugging device
07/23/2014CN203729943U 用于石油作业的闸板防喷器 Ram BOP for petroleum operations
07/23/2014CN203729942U 一种油管悬挂器定位装置 One kind of tubing hanger positioning device
07/23/2014CN203729941U 一种光杆密封器 A light bar sealer
07/23/2014CN203729940U 一种随动式井口带压密封装置 One kind of follower type wellhead pressure sealing device
07/23/2014CN203729939U 盘根盒 Packing boxes
07/23/2014CN203729938U 一种油井作业操作平台 One kind of oil wells operating platform
07/23/2014CN203729937U 一种井口装置 One kind of wellhead
07/23/2014CN203729936U 一种抽油机井井口取样阀防盗盒 One kind of pumping wells wellhead sampling valve theft case
07/23/2014CN203729929U 膨胀管完井工具 Expansion pipe completion tools
07/23/2014CN203729921U 应力缓冲丢手杆及井下堵塞装置 Stress buffering throw hand lever and downhole plugging device
07/23/2014CN203729904U 一种防喷脱接器密封释放机构 One kind BOP sealing off connector release mechanism
07/23/2014CN203728564U 一种手动封孔枪 A manual sealing gun
07/23/2014CN103941706A 一种井控防喷器锁紧轴行程位置测量系统 A well controlled locking axis travel BOP position measurement system
07/23/2014CN103939080A 一种采用油垫法开采多层地下光卤石矿层的方法 One kind of oil pad method using a multi-layer underground mining methods carnallite layer
07/23/2014CN103939049A 一种井筒防落物装置 One kind of device wellbore FOPS
07/23/2014CN103939048A 适用于钻井井场的井控防喷器开关阀遥控装置 Suitable for drilling wellsite BOP well control switch valve remote control device
07/23/2014CN103939047A 一种环形防喷器密封胶芯更换装置 A toroidal core BOP sealant replacement device
07/23/2014CN103939046A 无外挂冷却润滑泵站低压轻型旋转控制头 No external cooling and lubricating low-light rotating control head pumping station
07/23/2014CN103939013A 集成式高温不压井修井装置 Integrated temperature snubbing workover equipment
07/23/2014CN102278101B 一种细分层掺水采油管柱 One kind of breakdown layer watered production string
07/23/2014CN102242615B 钻孔瓦斯防喷装置 Drilling gas blowout preventer
07/23/2014CN101498202B 可溶胀的聚合物材料 Swellable polymeric material
07/22/2014US8783643 Blowout preventer and rams
07/22/2014US8783370 Deactivation of packer with safety joint
07/22/2014US8783369 Downhole pressure barrier and method for communication lines
07/22/2014US8783363 Multifunctional key design for metal seal in subsea application
07/22/2014US8783360 Laser assisted riser disconnect and method of use
07/22/2014US8783351 Method and apparatus for cementing a wellbore
07/22/2014US8783341 Composite cement retainer
07/22/2014US8783340 Packer setting tool
07/22/2014CA2805379C Swellable packer in hookup nipple
07/22/2014CA2782819C Retrieval method for opposed slip type packers
07/22/2014CA2778745C Eutectic salt inflated wellbore tubular patch
07/22/2014CA2702894C Wellhead flowline protection and testing system with esp speed controller and emergency isolation valve
07/22/2014CA2582904C Packer cup with backup component
07/22/2014CA2504877C Down hole induction and resistive heating tool and method of operating same
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