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)
08/2014
08/07/2014WO2013162956A3 Methods and devices for casing and cementing a wellbore
08/07/2014US20140216764 Hydraulic Set Packer with Piston to Annulus Communication
08/07/2014US20140216755 Annular barrier with pressure amplification
08/07/2014US20140216747 Method of using a downhole tool with erosion resistant layer
08/07/2014US20140216746 Plugging and Abandoning a Well Using a Set-Delayed Cement Composition Comprising Pumice
08/07/2014US20140216745 Method of drilling and running casing in large diameter wellbore
08/07/2014US20140216744 Method of intersecting a first well bore by a second well bore
08/07/2014US20140216743 Shape-change particle plug system
08/07/2014US20140216742 Floating apparatus and method for fabricating the apparatus
08/07/2014US20140216718 Frac adapter for wellhead
08/07/2014US20140216716 Well cap assembly
08/07/2014CA2841732A1 Hydraulic set packer with piston to annulus communication
08/06/2014EP2762671A1 Subsea internal riser rotating control device system and method
08/06/2014EP2761124A2 Ball valve float equipment
08/06/2014EP2761123A2 Petroleum well intervention winch system
08/06/2014CN203756146U 套管保护坐封注水一体化管柱 Protective casing packer integrated water column
08/06/2014CN203756119U 一种用于模拟胶结测试的套管组件 An analog cemented casing assembly for testing
08/06/2014CN203756118U 一种用于模拟胶结测试的水泥环组件 An analog cemented cement ring assembly for testing
08/06/2014CN203756117U 自灌浆旋流浮箍 Since the grout float collar swirl
08/06/2014CN203756116U 一种振动固井装置 A vibration cementing unit
08/06/2014CN203756115U 一种双效节能热采封隔器 A dual effect of energy-saving thermal recovery packer
08/06/2014CN203756114U 注浆囊袋式封孔器 Grouting bag bag sealing device
08/06/2014CN203756113U 偏心分注井自重式密封装置 Well eccentric weight dispensing sealing device
08/06/2014CN203756112U 洗井平衡封隔器 Wash well balanced packer
08/06/2014CN203756111U 堵水装置 Shutoff device
08/06/2014CN203756110U 一种井下防喷装置 A downhole blowout preventer
08/06/2014CN203756109U 主动密封式旋转防喷器油压收缩主动补偿式胶芯 Active sealed rotary BOP hydraulic active compensation shrink plastic core
08/06/2014CN203756108U 抽油机井口泄压防喷装置 Relief pumping wellhead blowout preventer
08/06/2014CN203756107U 一种煤层气排水管柱不压井防喷装置 One kind of coalbed methane drainage column snubbing blowout preventer
08/06/2014CN203756106U 一种防盗油封堵 An anti-theft oil block
08/06/2014CN203756105U 新型油田采油用中心光杆密封器 The new oilfield with center rod sealer
08/06/2014CN203756104U 防盗式可泄压井口保护器 Security type can relief wellhead protection
08/06/2014CN203756103U 一种森垂保护器 One kind of forest protection vertical
08/06/2014CN103975123A 具有自致动装置的环状屏障 Self-actuating means having an annular barrier
08/06/2014CN103975122A 具有膨胀检测装置的环状屏障 A barrier having an annular expansion detecting means
08/06/2014CN103975121A 具有耦合组件的油管挂 Tubing with coupling components hanging
08/06/2014CN103975116A 球座铣削和再压裂方法 Tee milling and re-fracturing method
08/06/2014CN103967760A 一种地面直驱螺杆泵采油装置 A land, direct drive screw pump device
08/06/2014CN103967466A Pgz油田关停井恢复开采及增产新技术 Pgz oil wells shut down mining and recovery yield new technologies
08/06/2014CN103967444A 瓦斯抽采钻孔两端自堵带压封孔工艺 Gas Borehole since blocking both ends with pressure sealing process
08/06/2014CN103967443A 一种上提式油管封堵装置 An on-lift tubing occlusion device
08/06/2014CN103967442A 油管悬挂器电缆穿越器孔金属密封装置 Tubing hanger cables through holes metal sealing device
08/06/2014CN103967441A 一种挤堵井口装置及应用方法 Blocking one kind of crowded wellhead equipment and application methods
08/06/2014CN103632410B 深水防喷器系统的黑匣子 Black Box deepwater blowout preventer system
08/06/2014CN102561991B 小直径静液压坐封堵塞器 Small-diameter hydrostatic packer plugging device
08/06/2014CN102536147B 挤注型可退捞筒 Squeeze tube type fishing retreat
08/06/2014CN102477850B 煤层瓦斯抽采井固井方法和固井系统 Coal seam gas extraction method and well cementing cementing systems
08/05/2014US8794638 Sealing array for high temperature applications
08/05/2014US8794637 Seal
08/05/2014US8794339 Downhole apparatus with a swellable support structure
08/05/2014US8794333 Combination blowout preventer and recovery device
08/05/2014US8794331 Tools and methods for use in completion of a wellbore
08/05/2014US8794325 Method of preparing polymer-water emulsion and further settling a sticky polymer material in downhole environment
08/05/2014US8794324 One trip treatment system with zonal isolation
08/05/2014US8794310 Support tube for a swell packer, swell packer, method of manufacturing a swell packer, and method for using a swell packer
08/05/2014US8794309 Frangible slip for downhole tools
08/05/2014US8794308 Blowout preventer and flow regulator
08/05/2014US8794306 Integrated wellhead assembly
08/05/2014US8793960 Method and support apparatus for supporting down hole rotary tools
08/05/2014CA2771836C Hydraulic control system monitoring apparatus and method
08/04/2014CA2841639A1 A downhole seal element and related apparatuses
07/2014
07/31/2014WO2014116900A1 Packer and packer outer layer
07/31/2014WO2014116577A1 Shear and seal system for subsea applications
07/31/2014WO2014116251A1 Systems and methods for monitoring and validating cementing operations using connection flow monitor (cfm) systems
07/31/2014WO2014114973A1 Method to control a blowout from an oil/gas well with a detachable capping device
07/31/2014WO2014067992A3 Barrier testing method
07/31/2014WO2013192485A3 Metal to metal packoff for use in a wellhead assembly
07/31/2014WO2013182658A3 Rotational shear valve
07/31/2014WO2013155200A3 Blowout preventer locking door assembly and method of using same
07/31/2014WO2013134013A3 Remotely activated down hole systems and methods
07/31/2014US20140209327 Single trip completion system and method
07/31/2014US20140209321 Plug, and methods for setting and releasing the plug
07/31/2014US20140209320 Portable ram block changer
07/31/2014US20140209316 Riser fluid handling system
07/31/2014US20140209315 Hydraulic accumulators
07/31/2014US20140209313 Mechanical Filter for Acoustic Telemetry Repeater
07/31/2014US20140209308 High Efficiency Radiation-Induced Triggering for Set-On-Command Compositions and Methods of Use
07/31/2014US20140209307 Wellbore Fluids Comprising Mineral Particles and Methods Relating Thereto
07/31/2014US20140209302 Packer And Packer Outer Layer
07/31/2014US20140209299 Snubbing stack
07/31/2014US20140209298 High Efficiency Radiation-Induced Triggering for Set-On-Command Compositions and Methods of Use
07/31/2014US20140209294 High strength connection for sleeve and mandrel and related methods
07/31/2014US20140209293 Downhole assembly
07/30/2014EP2758626A2 Subsea control modules and methods related thereto
07/30/2014EP2758625A2 Wave-inducing device, casing system and method for cementing a casing in a borehole
07/30/2014CN203742587U 防破坏压力表接头 Vandal gauge fittings
07/30/2014CN203742545U 复合钻杆胶塞 Composite drill stopper
07/30/2014CN203742544U 一种井下水力脉动耦合水泥浆超声处理的固井装置 A downhole cementing equipment hydraulic pulsation coupled grout sonication
07/30/2014CN203742543U 风动拌浆机 Wind-driven mixing pulp
07/30/2014CN203742542U 无管注浆封孔装置 No pipe grouting sealing device
07/30/2014CN203742541U 井底防气窜固井保障装置 Downhole gas channeling cementing protection device
07/30/2014CN203742540U 易钻液压分级箍装置 Easy hydraulic drill collar device classification
07/30/2014CN203742539U 振动固井短节装置 Cementing a short section of the vibration device
07/30/2014CN203742538U 自灌浆两级蹩压球座 Since the pressure grouting two limp tee
07/30/2014CN203742537U 轴向径向双密封浮箍 Axial Radial double sealed float collar
07/30/2014CN203742536U 液力震荡扶正器 Hydraulic shock centralizer
07/30/2014CN203742535U 一种新型矿用瓦斯钻孔封孔装置 A new mine gas drilling sealing device
07/30/2014CN203742534U 内推式悬挂封隔器 Hanging in the push packer
07/30/2014CN203742533U 可靠悬挂封隔器 Reliable suspension packer
07/30/2014CN203742532U 一种新型压裂封隔器 A novel fracturing packer
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