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 47 - Survey of boreholes or wells
Patents for E21B 47 - Survey of boreholes or wells (31,352)
08/2014
08/13/2014CN203769766U 连续波泥浆脉冲发生器 Continuous wave mud pulser
08/13/2014CN203769765U 顺煤层钻孔瓦斯压力测定装置 Drilling along seam gas pressure measuring device
08/13/2014CN203769764U 动液面自动连续测量仪 Automatic continuous fluid level measuring instrument
08/13/2014CN203769763U 一种钻孔方位倾角组合测量仪 Drilling a hole azimuth angle of the combination meter
08/13/2014CN203769762U 一种地质勘探孔孔内成像装置 One kind of geological exploration hole hole imaging device
08/13/2014CN203769761U 径向流驱替模拟装置 Radial displacement flow simulator
08/13/2014CN203769760U 一种用于气井设备的腐蚀监测系统 Corrosion monitoring system for gas equipment
08/13/2014CN203769759U 一种用于抽油机单井流量的流量计 A flow meter for single-well pumping
08/13/2014CN203769758U 一种模拟钻进系统实验台 An analog Bench Drilling System
08/13/2014CN203769715U 二次压注式顺煤层深钻孔瓦斯压力测定装置 Secondary pressure injection for deep drilling along seam gas pressure measuring device
08/13/2014CN203769707U 顺煤层钻孔瓦斯抽采测压一体封孔装置 Along seam gas drainage drilling manometry one sealing device
08/13/2014CN203769671U 水平井对接强磁短节 Butt magnetic short section of horizontal wells
08/13/2014CN103987919A 井下测绘系统 Underground mapping system
08/13/2014CN103987918A 控制井下作业的方法 The method of controlling underground work
08/13/2014CN103982177A 声波测井换能器 Sonic transducer
08/13/2014CN103982176A 一种电控存储式油井分层测压仪 An electrically controlled oil tiered storage type load cell
08/13/2014CN103982175A 全程环空压力测量方法及装置 The whole annulus pressure measuring method and device
08/13/2014CN103982174A 随钻当量密度测量方法及装置 Equivalent density measurement-while-drilling method and apparatus
08/13/2014CN103982173A 一种煤矿井下钻孔轨迹测量系统及方法 One kind of coal mine drilling trajectory measurement system and method
08/13/2014CN103982172A 用于孔中测试设备的自动贴壁装置 Holes for the automatic test equipment apparatus of adherent
08/13/2014CN103982171A 监测和控制钻孔的孔底平面高程的方法及监测设备 Monitoring and control of the drilling hole bottom plane elevation methods and monitoring equipment
08/13/2014CN103982170A 中小液量、大气量油井三相计量装置 The small amount of liquid, air volume wells three phase metering device
08/13/2014CN102628354B 孔隙微米级油水分布识别量化方法 Micron pore water distribution identify quantitative methods
08/13/2014CN102536205B 一种单一用于确定矿井巷道方向的移向仪 Of a single mine tunnel is used to determine the direction toward the instrument
08/13/2014CN102536132B 便于测斜作业的钻具接头 Easy tool joint inclinometer jobs
08/13/2014CN102373922B 井周超声成像下井仪 Well-week ultrasound imaging downhole instrument
08/13/2014CN102147051B 一种井口石油管道加热系统 One kind of wellhead oil pipeline heating systems
08/13/2014CN101353962B 利用具有可移动段的井下仪器在井筒中作业的装置和方法 Apparatus and method for use with a mobile segment can downhole equipment in the wellbore operations
08/12/2014US8805661 Quantitative calculation method for oil (gas) saturation of fractured reservoir
08/12/2014US8805631 Computer-implemented systems and methods for forecasting performance of water flooding of an oil reservoir system using a hybrid analytical-empirical methodology
08/12/2014US8805615 Lithology and borehole condition independent methods for locating tagged proppant in induced subterranean formation fractures
08/12/2014US8800685 Drill-bit seismic with downhole sensors
08/12/2014US8800684 Method and apparatus for borehole positioning
08/12/2014US8800654 Wellbore machining device
08/12/2014US8800653 Systems and methods for monitoring a well
08/12/2014US8800652 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
08/12/2014US8800384 Canted helix collapsible flowmeter and method of measuring a fluid flow
08/12/2014CA2759203C Finite element adjustment for basin faults
08/12/2014CA2586804C Well production optimizing system
08/07/2014WO2014121006A1 Monitoring device for plug assembly
08/07/2014WO2014120988A1 Transmitter and receiver band pass selection for wireless telemetry systems
08/07/2014WO2014120752A1 System and method for characterization of downhole measurement data for borehole stability prediction
08/07/2014WO2014120747A1 Maintaining tension of a transmission line in a tubular
08/07/2014WO2014120556A1 Wireless communication and telemetry for completions
08/07/2014WO2014120524A1 Fiber splice housing with temperature compensation
08/07/2014WO2014120418A1 Method for determining fracture network volume using passive seismic signals
08/07/2014WO2014120354A2 Method and system for detecting changes in drilling fluid flow during drilling operations
08/07/2014WO2014120323A1 Methods for analyzing formation tester pretest data
08/07/2014WO2014120305A1 Distributed feedback fiber laser strain sensor systems and methods for subsurface em field monitoring
08/07/2014WO2014118555A2 Impression tool and methods of use
08/07/2014WO2014117848A1 A method of pressure testing a plugged well
08/07/2014WO2014093735A4 Mud pulse telemetry devices, systems, and methods
08/07/2014WO2014006036A3 Methods and apparatus for determining fluid characteristics
08/07/2014WO2013185005A3 Tachometer for downhole drilling motor
08/07/2014WO2013158682A3 Method and apparatus for monitoring a downhole tool
08/07/2014US20140222342 3-D Well Log Invention
08/07/2014US20140219056 Fiberoptic systems and methods for acoustic telemetry
08/07/2014US20140218208 Downhole signalling systems and methods
08/07/2014US20140218206 Multi-Scheme Downhole Tool Bus System and Methods
08/07/2014US20140216818 Interferometric processing to detect subterranean geological boundaries
08/07/2014US20140216816 Continuous circulation and communication drilling system
08/07/2014US20140216757 Methods for installing and retrieving a well monitoring apparatus
08/07/2014US20140216735 Sandline spooling measurement and control system
08/07/2014US20140216734 Casing collar location using elecromagnetic wave phase shift measurement
08/07/2014US20140216732 Hydrocarbon recovery control system and method
08/07/2014US20140216731 Method and Assembly for Conveying Well Logging Tools
08/07/2014US20140216730 Method and apparatus for generating seismic pulses to map subterranean fractures
08/07/2014US20140216715 Plug sensor with ceramic element
08/07/2014US20140216151 Flow Monitoring
08/07/2014US20140216150 Lag Calculation with Caving Correction in Open Hole
08/07/2014US20140216149 Wellbore Fluid Testing Assembly
08/06/2014EP2763335A1 Transmitter and receiver band pass selection for wireless telemetry systems
08/06/2014EP2762673A1 Mechanical filter for acoustic telemetry repeater
08/06/2014EP2762672A2 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
08/06/2014EP2761134A2 Methods for evaluating rock properties while drilling using drilling rig-mounted acoustic sensors
08/06/2014EP2761133A2 Apparatus for evaluating rock properties while drilling using drilling rig-mounted acoustic sensors
08/06/2014EP2761132A2 Method and device for supplying at least one electrical consumer of a drill pipe with an operating voltage
08/06/2014EP2761131A2 Fluid determination in a well bore
08/06/2014EP2761130A2 Electrical submersible pump flow meter
08/06/2014EP2761129A1 Flow monitoring
08/06/2014EP2761123A2 Petroleum well intervention winch system
08/06/2014CN203756161U 一种用于超声钻孔检测仪的数据传输装置 An ultrasonic borehole detector means for data transmission
08/06/2014CN203756160U 一种海底电磁测量仪 Submarine electromagnetic measuring instrument
08/06/2014CN203756159U 水平井测试光缆下井装置 Horizontal well test cable downhole device
08/06/2014CN203756158U 一种双流钻杆信号传输系统 Shuangliu drill one kind of signal transmission system
08/06/2014CN203756157U 一种用于油田采油井分层测压的多功能装置 Multifunction device for oil production wells layered manometry
08/06/2014CN203756156U 钻孔测斜装置 Drilling inclinometer device
08/06/2014CN203756155U 一种固井胶结失效的评价装置 An evaluation device cementing bond failure
08/06/2014CN203756154U 井下自然电位采集控制系统 Underground natural potential acquisition and control system
08/06/2014CN203756153U 一种便携式声波成像测井仪探头定位安装装置 A portable Sonic Imager sensor positioning mounting device
08/06/2014CN203756119U 一种用于模拟胶结测试的套管组件 An analog cemented casing assembly for testing
08/06/2014CN103975122A 具有膨胀检测装置的环状屏障 A barrier having an annular expansion detecting means
08/06/2014CN103975120A 增产方法 Yield Methods
08/06/2014CN103967481A 一种全井段多参数随钻实时测量与传输的方法与系统 An all-well drilling segment multi-parameter measurement and transmission of real-time method and system
08/06/2014CN103967480A 一种滑动导向钻井入靶形势预测方法 A sliding-oriented prediction method of drilling into the target situation
08/06/2014CN103967479A 一种旋转导向钻井入靶形势预测方法 A rotary steerable drilling into the target situation prediction method
08/06/2014CN103967478A 一种基于电导探针的垂直井流型辨识方法 Vertical wells flow pattern identification method based on conductance probe
08/06/2014CN103967477A 一种基于电导探针阵列和信息融合技术的水平井参数检测方法 A horizontal wells conductance probe array parameter detection method and based on information fusion technology
08/06/2014CN103967476A 随钻钻孔物探超前探测装置及探测方法 Geophysical borehole drilling equipment and advanced detection methods to detect
08/06/2014CN103967475A 油管结垢探测工具 Tubing fouling detection tool
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