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 29 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
Patents for E21B 29 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground (5,744)
08/2014
08/12/2014US8800662 Subsea test tree control system
08/07/2014US20140216756 Casing float tool
08/07/2014US20140216744 Method of intersecting a first well bore by a second well bore
08/06/2014CN203756098U 一种封堵套管开窗侧钻窗口的衬管装置 One kind of closure sidetracking window casing liner device
08/06/2014CN203756097U 新型油井用磨鞋装置 The new oil well equipment wear shoes
08/06/2014CN203756096U 一种注水泥完井后筛管外水泥环挤压酸洗管柱 Screenless completions after an injection of cement in cement squeeze pickling column
08/06/2014CN203756095U 一种注水泥完井后筛管外水泥环挤压装置 Screenless completions after an injection of cement in cement extrusion device
08/06/2014CN203756094U 一种注水泥完井后筛管外水泥环挤压酸洗管柱 Screenless completions after an injection of cement in cement squeeze pickling column
08/06/2014CN203756093U 一种机械化作业恒钻压钻塞管柱 One kind of mechanized drilling plug string constant WOB
08/06/2014CN203756035U 一种适用于径向钻孔套管开窗的带钻穿显示双顶钻头 One for radial drilling casing window display with double top drill drilled
08/06/2014CN103967438A 膨胀管修套工具 Expansion pipe repair kits
08/05/2014CA2765401C Method for providing a temporary barrier in a flow pathway
08/05/2014CA2673197C Method and apparatus for lateral well drilling with enhanced capability for clearing cuttings and other particles
07/2014
07/31/2014WO2013182658A3 Rotational shear valve
07/30/2014CN103953304A 套管补贴分层注水管柱 Casing subsidies stratified water column
07/29/2014US8789610 Methods of casing a wellbore with corrodable boring shoes
07/29/2014US8789606 System for controlling functions of a subsea structure, such as a blowout preventer
07/24/2014WO2014113012A1 Systems and methods of supporting a multilateral window
07/24/2014US20140202709 Method of Completing a Well Using a Friction Reducing Completion Fluid
07/24/2014US20140202708 Downhole component having dissolvable components
07/24/2014US20140202692 Method for the in situ recovery of heavy oil from a subterranean deposit
07/23/2014CN203729934U 一种膨胀锥 An expansion cone
07/23/2014CN203729933U 一种耐磨损膨胀锥 One kind of wear-resistant expanding cone
07/23/2014CN203729932U 一种具有TiN或TiAlN薄膜层的膨胀锥 The expansion cone having a TiN or TiAlN film layer
07/23/2014CN203729931U 一种仿生耐磨损膨胀锥 Kind of bionic abrasion expanding cone
07/23/2014CN203729930U 安全泄压装置 Safety relief device
07/23/2014CN203729929U 膨胀管完井工具 Expansion pipe completion tools
07/22/2014US8783361 Laser assisted blowout preventer and methods of use
07/22/2014US8783360 Laser assisted riser disconnect and method of use
07/22/2014US8783357 Subsea well safing system
07/22/2014US8783338 Methods and devices for one trip plugging and perforating of oil and gas wells
07/22/2014CA2778745C Eutectic salt inflated wellbore tubular patch
07/17/2014WO2013122480A9 Method for establishment of a new well path from an existing well
07/16/2014CN103930643A 用于切割和牵引套管的装置和方法 Means and method for cutting and traction sleeve
07/15/2014USRE45011 Expandable tubing and method
07/15/2014CA2760950C Dual action jet bushing
07/10/2014WO2013150283A3 Fluid vent assembly and method of venting fluid
07/09/2014EP2751381A1 Downhole fluid flow control system having temporary sealing substance and method for use thereof
07/09/2014CN203702051U 油田用快速安全实体膨胀管加固装置 Rapid expansion of oil field pipe reinforcement device security entities
07/08/2014US8770298 Safety mechanism for blowout preventer
07/03/2014WO2013191783A3 Multi-barrier seal system
07/03/2014US20140182853 Downhole slot cutter
07/02/2014CN203685094U 长段套损井膨胀管多卡套管分层封隔修复装置 Long segment expansion pipe casing damage stratified multi-card casing packer prosthetic devices
07/02/2014CN203685093U 井下套管段铣刀 Downhole casing section cutter
07/02/2014CN203685092U 连续套铣装置 Successive sets of milling device
07/02/2014CN103906886A 用于烃井的连续完井的管状设备及相应的布置方法 Hydrocarbon wells consecutive completions tubular device and corresponding method for layout
07/02/2014CN103899266A 小套管加固装置及加固方法 Device and small casing reinforcement reinforcement methods
07/02/2014CN102337849B 机械锁芯 Mechanical lock cylinder
07/01/2014US8763701 Window joint for lateral wellbore construction
06/2014
06/26/2014WO2014036430A3 Reduced mechanical energy well control systems
06/26/2014US20140175317 Ball valve
06/26/2014US20140174740 Method of intersecting a first well bore by a second well bore
06/24/2014US8757263 Downhole cyclic pressure pulse generator and method for increasing the permeability of pay reservoir
06/19/2014US20140166305 Milling cutter having undulating chip breaker
06/18/2014CN203655202U 膨胀管弧形变径膨胀装置 Expansion pipe arc adjustable expansion device
06/18/2014CN203655201U 侧钻井钻铣工具 Sidetrack drilling and milling tools
06/18/2014CN203655165U 一种套管开窗钻头 One kind of drill casing window
06/18/2014CN203655164U 一种套管开窗钻头 One kind of drill casing window
06/18/2014CN103867155A Expansion pipe
06/18/2014CN103867154A Mechanical expansion tool
06/18/2014CN102635323B Moveable combination of guide rod and milling cone
06/12/2014WO2013135583A3 Method of well operation
06/11/2014EP2740885A2 Wellhead latch and removal systems
06/11/2014CN203640652U 一种膨胀管膨胀启动器 An expansion tube expander starter
06/11/2014CN203640651U 一种分瓣防卡整形胀头 A split-beam shaping anti-card expansion head
06/11/2014CN203640650U 油井磨鞋工具 Well wear shoes Tools
06/10/2014CA2803822C One trip milling system
06/05/2014WO2014066387A3 Induction shearing of drilling pipe
06/05/2014US20140151052 Kobe sub with inflow control, wellbore tubing string and method
06/05/2014US20140151046 Dissolvable material application in perforating
06/04/2014EP2737165A2 Ball valve
06/04/2014CN203626678U 一种用于水平井钻铣打捞的机械式轴向钻压控制工具 Mechanical axial horizontal well drilling and milling for salvage WOB control tools
06/04/2014CN203626677U 一种扶正式高效孕镶磨鞋 One kind of formal and efficient help Impregnated wear shoes
06/04/2014CN103835674A Fast safe solid expandable tube reinforcement device for oilfields
06/04/2014CN103835665A Screw drill drilling, scraping and righting assembly
06/03/2014US8739861 Electrical wiring for drill pipe, casing, and tubing
05/2014
05/30/2014WO2014081583A1 Downhole cutting arrangement and method
05/30/2014WO2014039977A3 Light weight high power laser presure control systems and methods of use
05/29/2014US20140144615 Shearable Control Line Connectors and Methods of Use
05/28/2014EP2734702A1 Hydraulic stabilizer for use with a downhole casing cutter
05/28/2014CN203614068U 一种抽油杆切割装置 One kind of rod cutting device
05/28/2014CN103821472A 膨胀管用可捞底堵及打捞工具 Expansion works can block bottom fishing and fishing tools
05/28/2014CN103821471A 注水泥完井后筛管外水泥环的处理方法 After cementing and completion screen treatment outside the cement sheath
05/28/2014CN102444389B 井筒冻结管切割器及其施工方法 Shaft freeze pipe cutter and its construction method
05/22/2014US20140138091 Downhole Cutting Arrangement and Method
05/22/2014US20140138090 System and method for safely conducting explosive operations in a formation
05/22/2014US20140138083 Self-Cleaning Fluid Jet for Downhole Cutting Operations
05/22/2014US20140138078 Tool and Method to Plug and Abandon Well
05/22/2014US20140137723 Bottom hole firing head and method
05/21/2014CN203603814U 修井用底面中心加固型磨鞋 Workover with reinforced wear shoes underside center
05/20/2014US8726996 Device for the focus and control of dynamic underbalance or dynamic overbalance in a wellbore
05/15/2014WO2014074667A2 Casing cutter
05/15/2014US20140131097 Pressure Limiting Device for Well Perforation Gun String
05/15/2014US20140131036 Apparatus and Method for Milling/Drilling Windows and Lateral Wellbores Without Locking Using Unlocked Fluid-Motor
05/14/2014EP2729657A2 Cable compatible rig-less operable annuli engagable system for using and abandoning a subterranean well
05/14/2014CN103790537A 内衬油管修复用涨紧器及其修复工艺 Lined tubing tensioner repairing and restoration process
05/14/2014CN103790536A 一种膨胀锥 An expansion cone
05/13/2014US8720584 Laser assisted system for controlling deep water drilling emergency situations
05/13/2014US8720582 Apparatus and methods for providing tubing into a subsea well
05/13/2014US8720567 Blowout preventers for shearing a wellbore tubular
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