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)
06/2014
06/11/2014CN102287159B Self-balanced packer and method
06/11/2014CN102132002B Subsea well intervention systems and methods
06/11/2014CN101936144B Uphole pressure-bearing protective device
06/10/2014US8746352 Pressure energized interference fit seal
06/10/2014US8746345 BOP stack with a universal intervention interface
06/10/2014US8746343 Method and apparatus for wellbore fluid treatment
06/10/2014US8746332 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
06/10/2014CA2756090C Rotating control head radial seal protection and leak detection systems
06/05/2014WO2014085770A1 Colloidal silica and polymer system for insulating packer fluids
06/05/2014WO2014085270A1 Latching system for well swabbing tools
06/05/2014WO2014085167A2 Lockdown system for use in a wellhead assembly
06/05/2014WO2014085055A1 Methods of enhancing the fracture conductivity of multiple interval fractures in subterranean formations propped with cement packs
06/05/2014WO2014083057A1 Sealing device and method for sealing fractures or leaks in wall or formation surrounding tube-shaped channel
06/05/2014WO2014082126A1 Inflation fluid for borehole plugs
06/05/2014US20140152005 Rapid make up drive screw adapter
06/05/2014US20140151069 Tension tubing hanger and method of applying tension to production tubing
06/05/2014US20140151064 Hybrid-Tieback Seal Assembly Using Method and System for Interventionless Hydraulic Setting of Equipment when Performing Subterranean Operations
06/05/2014US20140151060 Method and Device for Extending at Least the Lifetime of a Christmas Tree or an Umbilical
06/05/2014US20140151059 Connector apparatus for subsea blowout preventer
06/05/2014US20140151054 Flow control system
06/05/2014US20140151045 Increasing formation strength through the use of temperature and temperature coupled particulate to increase near borehole hoop stress and fracture gradients
06/05/2014US20140151044 Method and Apparatus for Preforming Cementing Operations on Top Drive Rigs
06/05/2014US20140151042 Chelate Compositions And Methods And Fluids For Use In Oilfield Operations
06/05/2014US20140151039 Expandable Filtering System For Single Packer Systems
06/05/2014US20140151024 Packoff Sealing Assembly
06/05/2014US20140151023 Adapter assembly for a well system
06/05/2014DE102012023392A1 Modulares Strömungskraftwerk mit einer Unterwasser-Steckvorrichtung und Montageverfahren Modular current power plant with an underwater plug-in device and method of assembly
06/04/2014EP2738349A1 Sealing device and method for sealing fractures or leaks in wall or formation surrounding tube-shaped channel
06/04/2014EP2738348A1 Shutting down an underwater fluid production well
06/04/2014EP2737167A1 Wellbore cementing tool having one way flow
06/04/2014EP2737166A2 System and method for production of reservoir fluids
06/04/2014EP2737165A2 Ball valve
06/04/2014EP2737163A1 Wellbore tool with indexing mechanism and method
06/04/2014EP2737158A2 Landing string
06/04/2014CN203627213U 一种皮碗式防垢卡柱塞 One kind of cup plunger-type scale card
06/04/2014CN203626880U 一种瓦斯抽采封堵装置 One kind of gas drainage sealing device
06/04/2014CN203626812U 一种油水井测试防喷支架 An oil wells to test the blowout preventer bracket
06/04/2014CN203626786U 双封隔器组合式水力喷射压裂工艺管柱 Dual packer modular hydraulic fracturing technology jet column
06/04/2014CN203626785U 一种水力喷砂双底封压裂工艺管柱 One kind of hydraulic fracturing technology column blasting double-dip closure
06/04/2014CN203626762U 油井套管稳压增产装置 Well casing regulator stimulation device
06/04/2014CN203626749U 内防喷管线与锁紧杆固定装置 BOP pipeline within the locking lever fixtures
06/04/2014CN203626728U 油井套管阀门防盗气装置 Gas well casing valve theft device
06/04/2014CN203626722U 封隔式注水泥器 Packer type Cementer
06/04/2014CN203626721U 胶盘定位装置 Plastic tray positioning device
06/04/2014CN203626720U 防喷孔多段囊袋封孔器 BOP hole multistage pouch sealing device
06/04/2014CN203626719U 一种机械式瓦斯抽采封堵器 A mechanical gas drainage occluder
06/04/2014CN203626718U 一种l型钻孔地面预注浆高压止浆装备 One kind of l-type high-pressure pre-grouting drilling ground equipment only pulp
06/04/2014CN203626717U 可钻式套管浮箍浮鞋 Drillable casing float collar float shoe
06/04/2014CN203626716U 水平井专用浮箍浮鞋 Horizontal wells special float collar float shoe
06/04/2014CN203626715U 固井水泥车活动弯头支架 Cementing Truck activities Elbow Bracket
06/04/2014CN203626714U 稠油蒸汽吞吐井暂堵增能处理井下送料器用的限位垫圈 Heavy oil steam stimulation wells temporary blocking by underground feeder can handle with the retaining washer
06/04/2014CN203626713U 胶筒二次增压中心管及井下堵塞装置 Cones secondary pressurized central pipe and downhole plugging device
06/04/2014CN203626712U 冷热双作用封隔器 Hot and cold dual role packer
06/04/2014CN203626711U 胶筒防护环及井下堵塞装置 Cones guard ring and downhole plugging device
06/04/2014CN203626710U 内推式封隔器 Interpolated packer
06/04/2014CN203626709U 机械式悬挂封隔器 Mechanical suspension packers
06/04/2014CN203626708U 予膨胀胀封胶筒 I swell swell sealed plastic tube
06/04/2014CN203626707U 双级缸套封隔器 Two-stage liner packer
06/04/2014CN203626706U 井控坐封短节 Well Control packer subs
06/04/2014CN203626705U 一种侧钻小井眼压裂封隔器 Slimhole fracturing drilling a lateral packer
06/04/2014CN203626704U 抗蠕动液压坐封堵水封隔器 Anti-peristaltic hydraulic packer seal closure sit
06/04/2014CN203626703U 密封补心装置 Seal up the heart device
06/04/2014CN203626702U 一种钻孔孔口防喷装置 An orifice drilling blowout preventer
06/04/2014CN203626701U 液动的变径油管夹紧防喷器 The adjustable hydraulic tubing clamp BOP
06/04/2014CN203626700U 变径胶芯 Reducing plastic core
06/04/2014CN203626699U 变径密封的液动闸板防喷器 Reducing sealed hydraulic ram BOP
06/04/2014CN203626698U 新型海上电泵井井口改造装置 The new offshore wellhead pump reconstruction device
06/04/2014CN203626697U 一种改进的油井套管气防盗装置 An improved gas well casing anti-theft device
06/04/2014CN203626696U 一种新式光杆密封盘根盒 A new type of rod seal packing boxes
06/04/2014CN203626695U 便于取出盘根的井口密封器 Facilitate removal of packing wellhead sealer
06/04/2014CN203626694U 一体式光杆密封圈刮取装置 One-piece rod seal cleaning device
06/04/2014CN203626693U 防冻式水井测试防喷堵头 BOP test wells antifreeze type plug
06/04/2014CN203626692U 自动回流式井口密封器 Automatic return type wellhead sealer
06/04/2014CN203626691U 带拉线的盘根环 Pull with packing ring
06/04/2014CN203626690U 防盗盘根盒压帽 Burglar packing box pressure cap
06/04/2014CN203626689U 一种井口保护密封连接装置 One kind of wellhead protection seal connecting device
06/04/2014CN203626688U 双向纠偏式抽油杆密封器 Bidirectional corrective rod type sealer
06/04/2014CN203626687U 油田有杆抽油机光杆密封器组合盘根 Oilfield pumping rod rod packing seal combination
06/04/2014CN203626686U 一种防盗丝堵 An anti-theft plugs
06/04/2014CN203626685U 一种分体式采油树防盗油装置 A separate-type Christmas tree oil theft device
06/04/2014CN203626684U 一种采油树防盗油装置 One kind of Christmas tree oil theft device
06/04/2014CN203626683U 一种液压式高温抽油井封井器 A hydraulic-temperature pumping well blowout preventer
06/04/2014CN203626682U Sagd注汽井口装置 Sagd steam injection wellheads
06/04/2014CN203626681U 单管带压作业热采井口装置 Single tube with hot wellhead pressure job
06/04/2014CN203626672U 一种锚定结构及井下堵塞装置 One kind of anchoring structures and underground plugging device
06/04/2014CN203626671U 内推式悬挂器 Push hanger inside
06/04/2014CN203626669U 丢手装置及井下堵塞装置 Throwing hand equipment and downhole plugging device
06/04/2014CN203626665U 稠油蒸汽吞吐井暂堵增能处理用的井下送料器 Heavy downhole steam stimulation wells treated with temporary blocking energized feeders
06/04/2014CN203626659U 一种新型钻孔防尘防喷装置 A new drilling dust blowout preventer
06/04/2014CN203626649U 一种石油钻井平台防喷器运输安装装置 A petroleum rig BOP transportation and installation equipment
06/04/2014CN103843241A Power cell for deepwater application
06/04/2014CN103835678A Horizontal well inner-pipe-free drilling-plug-free grading cementing well completion method
06/04/2014CN103835677A Two-stage sealing bumping-pressure salvageable well completion device for horizontal well
06/04/2014CN103835676A High-pressure grout stopping device for L-shaped drill hole ground pre-grouting
06/04/2014CN103835675A Long-rubber-sleeve compression type open hole packer
06/04/2014CN103835673A Wellbore anchor and isolation system
06/04/2014CN103835302A Deep foundation pit dewatering tube well shut-in construction method for superficial layer confined water soil layer
06/04/2014CN103834375A Magnetorheological fluid-based oil-gas well temporary plugging agent as well as preparation method and application thereof
06/04/2014CN102561969B Light and convenient resistance meeting preventive pressured cable lowering conveyor
06/04/2014CN102493781B Loess formation conduit plugging and annulus external fill balance anti-leakage process
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