| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
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| 08/06/2014 | CN103967003A 可减少挤土性的多轴互换式水泥土搅拌桩装置及施工方法 Equipment and construction methods can reduce the squeeze multiaxial interchangeable Soil cement mixing pile |
| 08/06/2014 | CN103291283B 压力计全自动标定的预压机构 Automatic calibration gauge preload mechanism |
| 08/06/2014 | CN102606139B 水下井口系统加载试验装置及其试验方法 Test equipment and test methods for subsea wellhead system load |
| 08/06/2014 | CN102587891B 一种正钻井与多个邻井之间的空间位置检测方法及系统 A positive spatial position detection method and system for drilling wells with multiple adjacent between |
| 08/06/2014 | CN102505938B 井周超声成像下井仪扫描头 Well-week ultrasound imaging scanner head go down |
| 08/06/2014 | CN102493788B 高煤阶煤层气井排水采气的方法 High rank CBM gas production wells and drainage method of |
| 08/06/2014 | CN102477862B 一种便携式计算机控制采集井下油水界面检测仪的应用 A portable computer to control the acquisition of downhole oil-water interface detector applications |
| 08/06/2014 | CN102425408B 一种井下单向锁定装置 A downhole unidirectional locking device |
| 08/06/2014 | CN102425403B 一种确定同轴式双空心抽油杆下入深度的方法 A coaxial double down into the depths of the method to determine the hollow rod |
| 08/05/2014 | US8797035 Apparatus and methods for monitoring a core during coring operations |
| 08/05/2014 | US8794350 Method for detecting formation pore pressure by detecting pumps-off gas downhole |
| 08/05/2014 | US8794337 Apparatus and method for controlling the connection and disconnection speed of downhole connectors |
| 08/05/2014 | US8794331 Tools and methods for use in completion of a wellbore |
| 08/05/2014 | US8794317 Cased borehole tool orientation measurement |
| 08/05/2014 | US8794316 Refracture-candidate evaluation and stimulation methods |
| 08/05/2014 | US8794062 Early kick detection in an oil and gas well |
| 08/05/2014 | CA2786471C Sealed and hydrostatically lockable retrievable mwd landing system |
| 08/05/2014 | CA2703405C Method and system of displaying data sets indicative of physical parameters associated with a formation penetrated by a wellbore |
| 08/01/2014 | CA2804650A1 System and method for real-time streaming of well logging data with self-aligning satellites |
| 07/31/2014 | WO2014117116A2 Systems and methods for curvature analysis from borehole dips and applications thereof |
| 07/31/2014 | WO2014117030A1 Constrained optimization for well placement planning |
| 07/31/2014 | WO2014116525A2 Pressure testing valve and method of using the same |
| 07/31/2014 | WO2014116524A2 Pressure testing valve and method of using the same |
| 07/31/2014 | WO2014116427A1 Downhole optical acoustic transducers |
| 07/31/2014 | WO2014116426A1 Optical well logging |
| 07/31/2014 | WO2014116425A1 Well tool having optical triggering device for controlling electrical power delivery |
| 07/31/2014 | WO2014116424A1 Flow velocity and acoustic velocity measurement with distributed acoustic sensing |
| 07/31/2014 | WO2014116367A2 Realtime inspection management |
| 07/31/2014 | WO2014116251A1 Systems and methods for monitoring and validating cementing operations using connection flow monitor (cfm) systems |
| 07/31/2014 | WO2014116249A1 Systems and methods for monitoring wellbore fluids using microanalysis of real-time pumping data |
| 07/31/2014 | WO2014116200A1 Cross-communication between electronic circuits and electrical devices in well tools |
| 07/31/2014 | WO2014067992A3 Barrier testing method |
| 07/31/2014 | WO2014062858A9 Subsea processor for underwater drilling operations |
| 07/31/2014 | WO2013152078A3 Drilling information system |
| 07/31/2014 | WO2013152075A3 Drilling control system |
| 07/31/2014 | WO2013152074A3 Wellbore information system |
| 07/31/2014 | WO2013152073A3 Drilling control and information system |
| 07/31/2014 | WO2013152072A3 Drilling control and information system |
| 07/31/2014 | WO2013101636A8 Method and system for calibrating a downhole imaging tool |
| 07/31/2014 | US20140214326 Well Integrity Management Using Coupled Engineering Analysis |
| 07/31/2014 | US20140214325 System and method for characterization of downhole measurement data for borehole stability prediction |
| 07/31/2014 | US20140210634 Down Hole Wireless Data and Power Transmission System |
| 07/31/2014 | US20140210633 Method for communicating with logging tools |
| 07/31/2014 | US20140210478 Boring technique using locate point measurements for boring tool depth prediction |
| 07/31/2014 | US20140209384 Method and system for detecting changes in drilling fluid flow during drilling operations |
| 07/31/2014 | US20140209317 Mobile workflow orchestration and job execution for hydrocarbon recovery operations |
| 07/31/2014 | US20140209313 Mechanical Filter for Acoustic Telemetry Repeater |
| 07/31/2014 | US20140209300 Hazard avoidance analysis |
| 07/31/2014 | US20140208842 Monitoring device for plug assembly |
| 07/31/2014 | DE102013201609A1 Verfahren und Vorrichtung zum Erfassen und Ermitteln von Betriebsparametern einer Erdwärmesonde Method and apparatus for detecting and determining operating parameters of a geothermal probe |
| 07/30/2014 | EP2759674A2 Reducing error contributions to gyroscopic measurements |
| 07/30/2014 | EP2758631A2 Dual purpose observation and production well |
| 07/30/2014 | CN203745427U 一种振动反射信号采集装置 A vibration of the reflected signal acquisition device |
| 07/30/2014 | CN203742589U 一种用于煤层气井通信的无线网络系统 Wi-Fi system for coal-bed methane wells communications |
| 07/30/2014 | CN203742588U 一种高温小井眼温度、张力、泥浆电阻率测井仪 A high-temperature slimhole temperature, tension, mud resistivity tool |
| 07/30/2014 | CN203742587U 防破坏压力表接头 Vandal gauge fittings |
| 07/30/2014 | CN203742586U 保护微音器密封胶垫 Sealing pads protect microphone |
| 07/30/2014 | CN203742585U 一种旋挖钻机的测深编码器的安装结构 Mounting structure of a rotary drilling rig sounding encoder |
| 07/30/2014 | CN203742584U 油井压力表防冻取压装置 Well take pressure gauge antifreeze device |
| 07/30/2014 | CN203742583U 一种三维水平井控水物理模拟实验装置 A three-dimensional horizontal wells and water control device physics simulation |
| 07/30/2014 | CN203742582U 杆管测量调节工具 Pipe measuring rod adjustment tool |
| 07/30/2014 | CN203742581U π随钻测井系统 π LWD system |
| 07/30/2014 | CN203742578U 油气水三相高旋流分测装置 Gas-water three-phase high swirl measuring device |
| 07/30/2014 | CN203742556U 一种基于自动监控系统的潜油电泵 Submersible pump an automatic monitoring system based on |
| 07/30/2014 | CN203742513U 一种用于火驱采油双转偏心测试井口装置 A fire EOR double transgenic eccentric test wellhead |
| 07/30/2014 | CN203742499U 水平井钻具传输测井电缆悬挂器 Horizontal well drilling transport logging cable hangers |
| 07/30/2014 | CN203742472U 一种与电缆鱼雷和加重杆快速连接机构 One kind of torpedoes and heavier rod with cable quick connect mechanism |
| 07/30/2014 | CN103959019A 净油气井测试系统 Absolute gas well test system |
| 07/30/2014 | CN103958830A 使用随钻井下压力测量来检测和减轻流入 Using the measurement with a pressure of drilling to detect and mitigate the inflow |
| 07/30/2014 | CN103958829A 采用钻井声波信号实时地对钻头进行地质导向的方法 Using acoustic signals in real time drilling for geological drill-oriented approach |
| 07/30/2014 | CN103958643A 作为油藏纳米试剂的碳基荧光示踪剂 As a reagent reservoir nano-carbon based fluorescent tracer |
| 07/30/2014 | CN103953334A 测井信号电缆传输系统和测井信号电缆传输方法 Logging signal cable transmission system and method for logging signal transmission cable |
| 07/30/2014 | CN103953333A 一种压力自动控制装置及方法 A pressure automatic control device and method |
| 07/30/2014 | CN103953332A 模拟钻井液动态漏失与堵漏的实验装置及实验方法 Simulation and experimental method of drilling fluid dynamic experimental device leakage and plugging |
| 07/30/2014 | CN103953331A 一种自钻式煤层瓦斯压力原位测定装置 A self-drilling coal seam gas pressure measuring device in situ |
| 07/30/2014 | CN103953330A 深井油气层温度与压力在线集成监测装置及方法 Deep reservoir temperature and pressure monitoring device and method for integrated online |
| 07/30/2014 | CN103953329A 油田单井流量趋势计量装置 Oilfield single well flow metering device trend |
| 07/30/2014 | CN103953328A 油井测试与分析系统 Well testing and analysis system |
| 07/30/2014 | CN103953327A 一种探头 One kind of probe |
| 07/30/2014 | CN103953307A 具有在内部定位的流量计的采油树 Christmas tree has internal positioning flowmeter |
| 07/30/2014 | CN102808580B 一种煤层气水平开采孔激光定向钻进钻具及其钻进方法 One kind of exploitation of coalbed methane horizontal directional drilling hole laser drilling and drilling method |
| 07/30/2014 | CA2839922A1 Computer readable medium for acquiring and displaying in near real time gas analysis, well data collection, and other well logging data |
| 07/29/2014 | US8793114 Method and system for drilling rig testing using virtualized components |
| 07/29/2014 | US8792304 Downlinking communication system and method using signal transition detection |
| 07/29/2014 | US8789620 Method and apparatus for transmitting or receiving information between downhole equipment and surface |
| 07/29/2014 | US8789604 Standalone liquid level sensing apparatus for tensioner system |
| 07/29/2014 | US8789589 Coiled tubing orienter tool with differential lead screw drive |
| 07/29/2014 | US8789588 Multi-position weight down locating tool |
| 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 |
| 07/29/2014 | US8789585 Cable monitoring in coiled tubing |
| 07/29/2014 | CA2684049C Infill well methods for sagd well heavy hydrocarbon recovery operations |
| 07/29/2014 | CA2606165C Low temperature monitoring system for subsurface barriers |
| 07/29/2014 | CA2591691C Centralizer-based survey and navigation device and method |
| 07/29/2014 | CA2556655C Borehole imaging |
| 07/28/2014 | CA2820658A1 Reducing error contributions to gyroscopic measurements |
| 07/25/2014 | CA2828543A1 Sealed sensor assembly |
| 07/24/2014 | WO2014113554A1 Synchronization of distributed measurements in a borehole |
| 07/24/2014 | WO2014113410A1 Fastening technique in a downhole tool |
| 07/24/2014 | WO2014113409A1 Downhole pressure compensator |