Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
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08/06/2014 | EP2761123A2 Petroleum well intervention winch system |
08/06/2014 | CN203757154U 车载修井机转盘控制阀防误触限位装置 Car workover control valve wheel anti inadvertently limit device |
08/06/2014 | CN203756133U 一种自安装式海底钻井基盘 A self-installing subsea drilling template |
08/06/2014 | CN203756132U 一种海底钻机收放装置 Submarine rig retractable device |
08/06/2014 | CN203756131U 一种采油井用压力保护装置 One kind of production wells with pressure protection device |
08/06/2014 | CN203756130U 岩溶地区水下桩基钻孔补水增压装置 Karst area underwater pile drilling water booster device |
08/06/2014 | CN203756129U 一种调整底座 An adjustment base |
08/06/2014 | CN103967411A 母井分支装置,其制造方法和使用其钻分支井的方法 Parent well branching device, its manufacturing method and its use method of drilling wells |
07/31/2014 | WO2014114620A1 Apparatus and method for installation and protection of sub sea cables |
07/31/2014 | US20140209313 Mechanical Filter for Acoustic Telemetry Repeater |
07/30/2014 | EP2758627A2 Method for real-time monitoring and transmitting hydraulic fracture seismic events to surface using the pilot hole of the treatment well as the monitoring well |
07/30/2014 | CN203742554U 应用于油气开采工艺的折叠式安全平台 Applies to oil and gas exploration craft folding security platform |
07/30/2014 | CN203742448U 全液压山地勘探履带钻机 Full hydraulic crawler drilling rig mountain exploration |
07/29/2014 | US8793114 Method and system for drilling rig testing using virtualized components |
07/29/2014 | US8789600 Fracing system and method |
07/29/2014 | US8789590 Remote activated deflector |
07/29/2014 | US8789587 Monitoring of downhole parameters and tools utilizing fiber optics |
07/29/2014 | US8789586 In situ recovery from a hydrocarbon containing formation |
07/24/2014 | WO2014112883A1 Coupling system for coupling an rov to a tms |
07/24/2014 | WO2013158652A3 Wellsite control employing three-dimensional imaging |
07/24/2014 | US20140207382 Finding Oil Content of the Formation Using Dielectric Spectroscopy |
07/24/2014 | US20140205377 Rig mat sprayed with polyurea systems |
07/24/2014 | US20140202711 Cross-communication between electronic circuits and electrical devices in well tools |
07/24/2014 | US20140202705 Flow Induced Electrostatic Power Generator For Tubular Segments |
07/24/2014 | US20140202703 Method of Reducing Corrosion on Metal Surfaces |
07/23/2014 | CN103946342A 降低燃料的碳排放浓度 The concentration of fuel to reduce carbon emissions |
07/22/2014 | US8786113 Device and a method for downhole energy generation |
07/22/2014 | US8784001 Oil field rig mat assembly |
07/17/2014 | WO2014027106A3 Power supply and voltage multiplication for submerged subsea systems based on cathodic protection system |
07/17/2014 | WO2013172897A3 Energy harvesting system |
07/17/2014 | US20140196895 In situ combustion process with reduced c02 emissions |
07/16/2014 | EP2755213A2 High pressure, high voltage penetrator assembly |
07/16/2014 | CN203720595U 基于计算机网络控制的油井防内涝装置 Well waterlogging prevention device of the computer-based network control |
07/16/2014 | CN203716936U 一种油气田用液氮设备的液氮排空系统 An oil and gas evacuation system with liquid nitrogen, liquid nitrogen equipment |
07/16/2014 | CN103924946A 一种油田用化学试剂注入装置 One kind of oilfield chemical reagent injection device |
07/15/2014 | US8781743 Monitoring the health of a blowout preventer |
07/15/2014 | US8776876 Expandable device for use in a well bore |
07/10/2014 | WO2014078358A3 Model selection from a large ensemble of models |
07/10/2014 | WO2013114138A3 Improved subsea installation deployment |
07/10/2014 | US20140190750 Rotary steerable drilling system and method |
07/10/2014 | US20140190747 System and method for automatic weight-on-bit sensor calibration |
07/10/2014 | US20140190692 Production-treating chemicals added to polymer slurries used in treatment of oil and gas wells |
07/10/2014 | US20140190688 Multi-Window Lateral Well Locator/Reentry Apparatus and Method |
07/09/2014 | CN203702094U 修井机气路防冻脱水装置 Workover gas line antifreeze dewatering device |
07/09/2014 | CN203702093U 钻机钻杆下支撑机构 Under the drill rig support mechanism |
07/09/2014 | CN203702001U 一种旋挖钻机及其桅杆导轨和动力头滑耳 One kind of rotary drilling rig and mast rails and power head slide ear |
07/08/2014 | CA2713133C Self-sealing method |
07/08/2014 | CA2663963C Treating liquids in oil extraction |
07/08/2014 | CA2590566C Electrical submersible pumping systems having stirling coolers |
07/08/2014 | CA2552230C Electrochemical element for use at high temperatures |
07/03/2014 | WO2014105305A1 Electronically monitoring drilling conditions of a rotating control device during drilling operations |
07/03/2014 | WO2014051694A3 Subsea well containment systems and methods |
07/03/2014 | US20140186119 Sequestration of greenhouse gasses by generating an unstable gas/saline front within a formation |
07/03/2014 | US20140184364 Downhole Supercapacitor Device |
07/03/2014 | US20140182868 Bogey style torque bushing for top drive |
07/03/2014 | US20140182844 System and method for performing wellbore stimulation operations |
07/03/2014 | US20140182841 Method for wellbore stimulation optimization |
07/02/2014 | CN203685132U 废弃钻井液脱稳分离处理装置 Destabilization of waste drilling fluid separation device |
07/02/2014 | CN203685131U 远程控制集成撬 Remote control integrated skid |
07/02/2014 | CN103899280A 一种钻井废弃物的回注系统及回注方法 One kind of drilling waste reinjection system and re-injection method |
06/26/2014 | WO2014100355A1 Three wire press solids dewatering method and apparatus for oil and gas field applications |
06/26/2014 | WO2013162730A3 Assemblies, systems and methods for installing multiple subsea functional lines |
06/26/2014 | US20140175272 Remote Work Methods and Systems Using Nonlinear Light Conversion |
06/26/2014 | US20140174733 Power Generation Via Drillstring Pipe Reciprocation |
06/26/2014 | DE10255757B4 Vorrichtung zum Überprüfen eines Werkzeugs Apparatus for inspecting a tool |
06/25/2014 | EP2746529A2 System and method for positioning equipment for well logging |
06/25/2014 | EP2746528A2 Sub-sea chemical injection metering valve |
06/25/2014 | EP2744872A2 Reducing the carbon emissions intensity of a fuel |
06/25/2014 | CN203669831U 钻机链条护罩固定装置 Rig chain guard fixtures |
06/25/2014 | CN203669830U 液压抖动装置 Hydraulic jitter device |
06/25/2014 | CN103883285A 水下脐带缆终端基盘装置 Underwater umbilical terminal-based disk device |
06/25/2014 | CN103883284A 水下隔离阀的海底管线终端 Subsea isolation valve underwater pipeline terminal |
06/25/2014 | CN103883283A 一种海底钻机收放装置 Submarine rig retractable device |
06/24/2014 | US8757288 Handheld work apparatus having an electric drive motor |
06/19/2014 | WO2014090777A1 Downhole power system |
06/19/2014 | WO2013190093A3 A predictive flow assurance assessment method and system |
06/19/2014 | US20140166282 Functionalized hydrogen sulfide scavengers |
06/18/2014 | EP2743445A1 Downhole power system |
06/18/2014 | CN203655264U 油水井阴极保护监测装置 Oil wells cathodic protection monitoring devices |
06/18/2014 | CN203655241U 一种站立平台 One kind of standing platform |
06/18/2014 | CN103867122A Full-hydraulic mountain exploratory crawler drilling machine |
06/18/2014 | CN102635323B Moveable combination of guide rod and milling cone |
06/17/2014 | US8752648 Method and system for predicting a drill string stuck pipe event |
06/17/2014 | CA2603715C Method and apparatus for re-entering an abandoned well |
06/12/2014 | WO2014088808A1 Drill string oscillation methods |
06/12/2014 | WO2014086963A1 A downhole tool and downhole system |
06/12/2014 | US20140158876 Methods for Analyzing Substances Containing One or More Organosulfur Compounds Using an Integrated Computational Element |
06/12/2014 | US20140158346 Method and system of analyzing wells of a mature field |
06/11/2014 | EP2740886A1 A downhole tool and downhole system |
06/11/2014 | EP2740883A1 Tool for locating and plugging lateral wellbores |
06/11/2014 | EP2739812A2 Method of controlling corrosion rate in downhole article, and downhole article having controlled corrosion rate |
06/11/2014 | CN203640693U 便捷式清蜡剂添加器 Portable paraffin agent dispenser |
06/11/2014 | CN103857872A Method for real-time monitoring and transmitting hydraulic fracture seismic events to surface using the pilot hole of the treatment well as the monitoring well |
06/11/2014 | CN103849366A Foaming composition with wettability modifying and corrosion inhibitory properties for high temperature and ultra-high salinity |
06/11/2014 | CN101784744B Power transmission system for use with downhole equipment |
06/10/2014 | US8746341 Quaternary foamers for downhole injection |
06/10/2014 | CA2758669C Well tubular, coating system and method for oilfield applications |
06/05/2014 | WO2014085312A1 Electrostatically coated composites |
06/05/2014 | WO2014011348A3 Method for evaluating relative permeability for fractional multi-phase, multi-component fluid flow through porous media |
06/05/2014 | US20140156230 Methods of designing and forming earth boring tools using a plurality of depth of cut values |