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