| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
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| 01/07/2015 | EP2820237A2 Power source for completion applications |
| 01/07/2015 | CN204082097U 一种可打开式便提式盖板 One kind of style would be open-lift cover |
| 01/07/2015 | CN204082096U 环保型油气井环空连续加药自动控制装置 Environmentally friendly oil and gas wells annulus continuous dosing automatic control device |
| 01/07/2015 | CN104265240A 一种利用掺水稀释电动式井口加药工艺 A use watered diluted electric wellhead dosing process |
| 01/06/2015 | US8925652 Lateral well drilling apparatus and method |
| 01/06/2015 | US8925649 System to harvest energy in a wellbore |
| 01/06/2015 | US8925636 Sampling skid for subsea wells |
| 01/06/2015 | US8925634 Flow restrictor device |
| 01/06/2015 | CA2770926C Downhole backspin retarder for progressive cavity pump |
| 01/01/2015 | US20150000986 Device For Improved Clean Up of Holes |
| 12/31/2014 | CN204060630U 水下钻井基盘底座、水下钻井基盘及其安装结构 Underwater drilling template base, underwater drilling template and mounting structure |
| 12/31/2014 | CN204060629U 井场安防避雷一体化接入装置 Wellsite lightning security access device integration |
| 12/31/2014 | CN204060628U 钻机操作台操作手把的防下窜装置 Under anti-channeling device rigs operating handlebar console |
| 12/31/2014 | CN204060627U 一种自动海洋钻井泥浆收集装置 An automatic Offshore Drilling mud collection device |
| 12/31/2014 | CN204060626U 电驱动钻机 Electric drive rig |
| 12/30/2014 | US8919450 Collet connection insulation apparatus |
| 12/30/2014 | US8919435 Dehydrator screen for downhole gravel packing |
| 12/30/2014 | US8919433 Resilient foam debris barrier |
| 12/30/2014 | CA2798435C Corrosion management systems for vertically oriented structures |
| 12/30/2014 | CA2768031C Modular apparatus for production testing |
| 12/25/2014 | US20140379133 Methods and systems for monitoring directional drilling |
| 12/25/2014 | US20140374118 Blowout preventer activator and method of using same |
| 12/25/2014 | US20140374114 Subsea Intervention System |
| 12/25/2014 | US20140374102 Enzyme Assisted Well Treatment |
| 12/25/2014 | US20140374090 Apparatus and Method for Opening and Closing an Automatic Valve Installed in the Discharge Line of an Oil Well |
| 12/25/2014 | US20140374089 Automated diversion valve control for pump down operations |
| 12/25/2014 | US20140374088 Hybrid battery for high temperature applications |
| 12/25/2014 | US20140374086 Reconfigurable downhole article |
| 12/24/2014 | CN204041016U 可翻转部件防坠落安全绳 Parts can be flipped fall protection safety rope |
| 12/24/2014 | CN204041015U 伊顿刹车气路控制系统 Eaton brake pneumatic control system |
| 12/24/2014 | CN204041014U 一种可随油管入井的挂片器 One kind can hang with the tubing into the well of the piece |
| 12/24/2014 | CN104246120A 用于安装多个海底功能管线的组件、系统和方法 Components for installing multiple subsea pipeline functions, systems and methods |
| 12/24/2014 | CN104234664A 一种可打开式便提式盖板 One kind of style would be open-lift cover |
| 12/24/2014 | CN102482930B 用于将液压井控制流体泵送到生产流线内的泵 Means for controlling hydraulic fluid pumped into the well production flow line within the pump |
| 12/18/2014 | US20140367121 Dual Use Cable With Fiber Optic Packaging For Use In Wellbore Operations |
| 12/18/2014 | US20140367113 Subsea Production System with Multiple Location Master Control Station System |
| 12/18/2014 | US20140367112 Device for recirculating grease/sealing oil in risers |
| 12/18/2014 | US20140367082 Diverter flow line insert packer seal |
| 12/17/2014 | CN204024598U 冲孔灌注粧垂直成孔的冲锤导向装置 Punching a hole in the vertical perfusion makeup hammer guide |
| 12/17/2014 | CN204024597U 橇装式油井加药装置 Skid-mounted oil dosing device |
| 12/17/2014 | CN104213875A 一种减缓天然气及储气库井环空带压的方法 A natural gas and gas storage well annulus pressure method with slowing |
| 12/17/2014 | CN104212434A 一种降低高含水油田单管集输井口回压的方法 A method for reducing high water cut oilfield wellhead Gathering single tube back pressure method |
| 12/16/2014 | US8910715 Oil well control system |
| 12/16/2014 | US8910713 Gun upset and no-go system for deployment of perforating gun assemblies |
| 12/11/2014 | US20140365409 Determining Well Parameters For Optimization of Well Performance |
| 12/11/2014 | US20140365183 Production strategy plans assesment method, system and program product |
| 12/11/2014 | US20140362087 System And Method For Quickly Visualizing Oil And Gas Field Data |
| 12/11/2014 | US20140360779 System and Method for Reducing Drillstring Oscillations |
| 12/11/2014 | US20140360731 Blowout Preventer Shut-In Assembly of Last Resort |
| 12/11/2014 | US20140360729 Subsea or downhole electrical penetrator |
| 12/10/2014 | CN204003807U 旋挖钻机液压回油能量收集系统及旋挖钻机 Rotary drilling rig hydraulic return energy collection systems and rotary drilling rig |
| 12/10/2014 | CN204002713U 一种旋转操作台 A rotating console |
| 12/10/2014 | CN204002712U 钻井固控设备排出含液专用分离固化处理装置 Discharge of drilling solids control equipment containing liquid separation dedicated curing equipment |
| 12/10/2014 | CN204002711U 石油钻井用网络信息连接盒 Oil drilling Network Information junction box |
| 12/10/2014 | CN204002710U 抽油机井口对正标杆仪 Pumping wellhead positive benchmarking instrument |
| 12/10/2014 | CN204002709U 冲击钻吸灰隔音套 The impact of drilling noise sleeve gray smoke |
| 12/10/2014 | CN204002708U 一种抗冲击承压器 One kind of impact pressure device |
| 12/10/2014 | CN204002706U 密闭分离式套管气回收及加药装置 Separate sealed casing gas recovery and dosing device |
| 12/10/2014 | CN104196497A 一种旋转操作台 A rotating console |
| 12/10/2014 | CN104196496A 钻机及操作台举升机构 Rigs and console lifting mechanism |
| 12/10/2014 | CN103113866B 抑制油井硫酸盐还原菌活性的新型生物抑制剂及使用方法 Inhibit the activity of sulfate-reducing bacteria wells novel biological inhibitors and methods of use |
| 12/10/2014 | CN102472086B 限流器 Current Limiter |
| 12/09/2014 | US8908925 Methods to build 3D digital models of porous media using a combination of high- and low-resolution data and multi-point statistics |
| 12/09/2014 | US8905145 Remote and manual actuated well tool |
| 12/09/2014 | US8905139 Blapper valve tools and related methods |
| 12/09/2014 | US8904617 Diverting system and method of running a tubular |
| 12/04/2014 | US20140354096 Electromechanical actuator device and method of actuating a ring piston |
| 12/04/2014 | US20140352984 Method and apparatus for using pressure cycling and cold liquid co2 for releasing natural gas from coal and shale formations |
| 12/04/2014 | US20140352981 Wellbore Servicing Tools, Systems and Methods Utilizing Downhole Wireless Switches |
| 12/04/2014 | US20140352980 Wrap-around band and sleeve attachment apparatus for an oilfield tubular |
| 12/04/2014 | US20140352977 Combination Fluid Pumping Sub and Hanger Lockdown Tool |
| 12/04/2014 | US20140352965 Method and apparatus for downhole application of treatment chemicals in gas wells |
| 12/04/2014 | US20140352950 Method of controlling a downhole operation |
| 12/02/2014 | US8900106 Subsea tool changer |
| 12/02/2014 | US8899333 Submarine device |
| 12/02/2014 | US8899331 Carbon sequestration in depleted oil shale deposits |
| 11/27/2014 | US20140351734 Gui-facilitated centralizing methods and systems |
| 11/27/2014 | US20140345945 Estimation of optimum tripping schedules |
| 11/27/2014 | US20140345942 Diverting flow in a drilling fluid circulation system to regulate drilling fluid pressure |
| 11/27/2014 | US20140345940 Influx detection at pumps stop events during well drilling |
| 11/27/2014 | US20140345865 Wellsite Surface Equipment Systems |
| 11/27/2014 | US20140345857 System and Method for Detection and Classification of Seismic Terminations |
| 11/25/2014 | US8893807 Remote subterranean tool activation system |
| 11/20/2014 | US20140343694 System and method for online automation |
| 11/20/2014 | US20140338920 Workover riser compensator system |
| 11/20/2014 | US20140338917 Landing string compensator |
| 11/18/2014 | US8890341 Harvesting energy from a drillstring |
| 11/18/2014 | US8888407 Method and a device for sealing and/or securing a borehole |
| 11/18/2014 | US8887832 Apparatus and methods for corrosion protection of downhole tools |
| 11/18/2014 | US8887816 Polymer compositions for use in downhole tools and components thereof |
| 11/13/2014 | US20140334872 Activation mechanism for the release of a guidepost |
| 11/13/2014 | US20140332235 Coupled electronic and power supply frames for use with borehole conduit connections |
| 11/13/2014 | US20140332226 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 11/13/2014 | US20140332222 Connection system for subsea flow interface equipment |
| 11/13/2014 | US20140331908 Heave compensation and tensioning apparatus, and method of use thereof |
| 11/11/2014 | US8886504 Systems and methods for modeling and triggering safety barriers |
| 11/11/2014 | US8884778 Apparatus and methods for controlling and communicating with downhole devices |
| 11/11/2014 | US8881832 Downhole supercapacitor device |
| 11/06/2014 | US20140326449 Determining optimal parameters for a downhole operation |
| 11/04/2014 | US8875789 Process for producing hydrocarbon fluids combining in situ heating, a power plant and a gas plant |