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)
05/2014
05/13/2014US8720573 Method for sampling and analysis of production from a subsea well for measuring salinity of produced water and also volumetric ratio between liquid fractions
05/13/2014US8720552 Tool and method for determining formation parameter
05/13/2014US8720551 Well fluid leak detection and response systems
05/13/2014US8720264 Performance of permanently installed tubing conveyed seismic arrays using passive acoustic absorbers
05/13/2014CA2827060C Logging system and methodology
05/12/2014CA2832828A1 Electrical isolation connection for electromagnetic gap sub
05/08/2014WO2014070905A1 Systems and methods for analyzing flowback compositions in real time
05/08/2014WO2014070648A1 Communication using a spacer fluid
05/08/2014WO2014070536A1 Passive magnetic ranging for sagd and relief wells via a linearized trailing window kalman filter
05/08/2014WO2014070486A1 Chemical treatment method and additive used to treat fines migration and flow through porous media
05/08/2014WO2014070337A2 Use of sensors coated with elastomer for subterranean operations
05/08/2014WO2014070207A1 System, method and computer program product for wellbore event modeling using rimlier data
05/08/2014WO2014070150A2 System, method and computer program product for multivariate statistical validation of well treatment and stimulation data
05/08/2014WO2014068581A2 A nano-robots system and methods for well logging and borehole measurements
05/08/2014WO2014068471A1 Method for emptying an oil well and system for the implementation of said method
05/08/2014WO2014068334A1 Acoustic illumination for flow-monitoring
05/08/2014WO2014068042A1 Sensor cover
05/08/2014WO2014067992A2 Barrier testing method
05/08/2014WO2013135861A3 Tracer based flow measurement
05/08/2014WO2013113002A3 A method to control the environment in a laser path
05/08/2014WO2013071189A8 Method and system for reservoir surveillance utilizing a clumped isotope and/or noble gas data
05/08/2014WO2012166627A3 Fluid flow measurement sensor, method, and analysis
05/08/2014US20140129148 Downhole determination of drilling state
05/08/2014US20140126332 Verification of well tool operation with distributed acoustic sensing system
05/08/2014US20140126331 Acoustic telemetry with distributed acoustic sensing system
05/08/2014US20140124210 Systems And Methods For Sensing A Fluid Level Within A Pipe
05/08/2014US20140124197 Systems and methods for maneuvering downhole tools in a subsea well
05/08/2014US20140124196 Optimizing enhanced oil recovery by the use of oil tracers
05/08/2014US20140123748 Borehole Microseismic Systems and Methods
05/08/2014US20140123747 Systems and methods for conducting pressure tests on a wellbore fluid containment system
05/08/2014US20140123746 Measurement system
05/07/2014EP2728111A1 Pressure barrier testing method
05/07/2014EP2728109A2 Methods and systems for reverse circulation cementing in subterranean formations
05/07/2014EP2726710A1 Downhole sample module with an accessible captured volume adjacent a sample bottle
05/07/2014EP2726709A2 Electromagnetically heated thermal flowmeter for wellbore fluids
05/07/2014EP2726708A1 Method and device for determining a drill bit's position in a borehole
05/07/2014EP2726707A1 System and method for automatic weight-on-bit sensor calibration
05/07/2014EP2726706A2 System and method for controlling and monitoring a drilling operation using refined solutions from a panistic inversion
05/07/2014EP2726702A1 Downhole tool for determining laterals
05/07/2014EP2726700A1 Well tool actuator and isolation valve for use in drilling operations
05/07/2014CN203590367U 锚索孔底视频监测装置 Anchor hole bottom video monitoring devices
05/07/2014CN203588451U 基于微型计算机控制下的油田机井手持式数据采集装置 Oil wells under a microcomputer-based control of a handheld data collection device
05/07/2014CN203584421U 一种电机式泥浆脉冲发生器 A motor-style mud pulse generator
05/07/2014CN203584420U 司钻房测井便携式监控仪 Driller room logging Portable Monitor
05/07/2014CN203584419U 应用于油气田的电子压力计 Used in electronic manometer oil and gas fields
05/07/2014CN203584418U 煤层气井下用双传感器压力计 CBM downhole pressure gauge with dual sensor
05/07/2014CN203584417U 一种憋放气式油气井动液面检测仪 One kind of hold deflated type wells fluid level detector
05/07/2014CN203584416U 一种冲击发声装置 An impact sound device
05/07/2014CN203584415U 一种钻孔方位仪 Drilling a hole azimuth instrument
05/07/2014CN203584414U 光纤陀螺测斜仪 FOG inclinometer
05/07/2014CN203584413U 地质钻孔方位角度测量仪 Geological drilling azimuth angle measuring instrument
05/07/2014CN203584412U 一种用于岩层探测记录仪探头定位和防止触底的装置 Apparatus for recording rock instrument probe positioned for detecting and preventing bottoming
05/07/2014CN203584411U 一种存储式仪器用扶正短节 A storage-type instrument with a short section of righting
05/07/2014CN203584410U 一种井下测量仪器的减振器 A downhole measurement instruments damper
05/07/2014CN203584409U 钻井泥浆泵润滑油压力及油温自动检测保护装置 Drilling mud pump oil pressure and oil temperature protection device automatically detects
05/07/2014CN203584408U 一种用于游梁式抽油机的微位移示功仪 Micro-displacement dynamometer for beam pumping unit of
05/07/2014CN203584407U 一种设有防卡结构的孔内电视摄像探头 A TV camera probe has a hole in the structure of the anti-card
05/07/2014CN203584406U 一种油田测试用测井车滑轮固定支架 One kind of field test with logging truck pulley mount bracket
05/07/2014CN203584405U 煤层瓦斯抽采钻孔稳定性测试装置 Coal Seam Gas Borehole stability test device
05/07/2014CN203584404U 石油钻探精密仪器高压保护用钛及钛合金中空棒 Oil drilling precision instruments with high-voltage protection titanium and titanium hollow rods
05/07/2014CN203584403U 一种防砂筛管测试系统 One kind of sand control screen test system
05/07/2014CN203584402U 一种低产油井计量及含水测定装置 One kind of low-yield oil and moisture measurement measuring device
05/07/2014CN203584401U 一种井下介入式电磁流量计 A downhole electromagnetic flowmeter intervention
05/07/2014CN203584394U 智能注聚合物流量自动测调井下仪 Smart polymer injection flow rate is automatically adjusted downhole measurement instrument
05/07/2014CN203584364U 固井顶替模拟试验系统 Cementing replace simulation test system
05/07/2014CN103781992A 利用压缩装置将资源重新分配到新技术、棕地以及绿地开发的空间提供系统 The use of compression means to reallocate resources to new technology, the development of brownfield and green space providing system
05/07/2014CN103775077A 一种多功能随钻探测装置及预测方法 A multifunctional device and forecasting methods with drill probe
05/07/2014CN103775074A 一种煤层气储层密度测井扩径影响的校正方法 One kind of coalbed methane reservoir density logging expanding influence of correction methods
05/07/2014CN103775070A 一种全尺寸井壁稳定模拟器 An all sizes wellbore stability simulator
05/07/2014CN103775066A 应用于石油开采领域的压差测试方法 Applied pressure testing methods in the field of oil exploration
05/07/2014CN103775065A 一种井下定位装置及定位方法 A downhole positioning device and positioning method
05/07/2014CN103775064A 挖孔灌注桩成孔质量检测装置 Drilled Piles quality detection device
05/07/2014CN103775063A 多点插值井径刻度装置 Multi-point interpolation caliper scale devices
05/07/2014CN103775062A 一种连续油管压力式活塞输送装置及方法 A continuous rail pressure piston conveying device and method
05/07/2014CN103775061A 一种利用井温监测资料识别厚油层内夹层的方法 A use within the well temperature monitoring data to identify thick reservoir dissection method
05/07/2014CN103775060A 热电偶温度补偿压力测量补氮控制仪及测试方法 Thermocouple temperature compensated pressure measurement and control instrument complement nitrogen testing methods
05/07/2014CN103775059A 二次换热无感热风循环烘箱 No sense of the secondary heat exchanger hot air circulation oven
05/07/2014CN103775058A 一种井筒热损失的确定方法 A method for determining the wellbore heat loss
05/07/2014CN103775057A 一种致密油气藏有效储层的判识方法及装置 Method and apparatus for identifying sentenced a dense reservoir effective reservoir
05/07/2014CN103775056A 一种火驱井间气体示踪检测方法 A fire flooding tracer gas detection between wells
05/07/2014CN103775055A 石油钻井工具修复质量的监控方法 Oil drilling tool repair quality monitoring method
05/07/2014CN103775054A 防砂层防砂效果评价方法 Anti-sand sand Evaluation Method
05/07/2014CN103775053A 高温高压下密封腔之间同轴屏蔽线便携式连接结构 Under heat and pressure between the sealing chamber coaxial shielded wire connection structure of the portable
05/07/2014CN102011577B 一种智能测调控制器 An intelligent controller measured tone
05/06/2014US8719740 Semiconductor device which is subjected to optical proximity correction
05/06/2014US8718802 Well prog execution facilitation system and method
05/06/2014US8714246 Downhole measurement of formation characteristics while drilling
05/06/2014US8714245 Coiled tubing orienter tool with high torque planetary gear stage design drive
05/06/2014US8714004 Measuring gas content of unconventional reservoir rocks
05/06/2014CA2714874C Method and apparatus for transmitting sensor response data and power through a mud motor
05/06/2014CA2714501C Method and apparatus to facilitate formation sampling
05/06/2014CA2647416C Drill bit assembly with a logging device
05/01/2014WO2014066611A1 System and method for well data analysis
05/01/2014WO2014066599A1 Prognostics and health management methods and apparatus to predict health of downhole tools from surface check
05/01/2014WO2014066430A2 Method and system for identifying a self-sustained influx of formation fluids into a wellbore
05/01/2014WO2014066146A1 Method and apparatus for well-bore proximity measurement while drilling
05/01/2014WO2013070448A3 Apparatus and method of forming a plug in a wellbore
05/01/2014US20140121979 Determining the location of a material located behind an obstruction
05/01/2014US20140121975 System and method for selecting drilling components
05/01/2014US20140121970 Systems and Methods for Analyzing Flowback Compositions in Real Time
1 ... 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 ... 314