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)
07/2014
07/24/2014WO2014113160A1 Determining fracture length via resonance
07/24/2014WO2014113157A1 Temperature sensing arrangement, method of making the same and method of sensing temperature
07/24/2014WO2014113139A1 Method and apparatus for characterizing fluid channeling through a cement formation interface of a subterranian wellbore
07/24/2014WO2014113021A1 System and method of populating a well log
07/24/2014WO2014111897A1 Methods and apparatus for estimating borehole mud slownesses
07/24/2014WO2014111846A1 Method for revealing anomalous discontinuity interfaces in pore pressures in non-drilled geological formations and a system implementing it
07/24/2014US20140207382 Finding Oil Content of the Formation Using Dielectric Spectroscopy
07/24/2014US20140204712 Downhole optical acoustic transducers
07/24/2014US20140202691 A System and Method for Correcting Downhole Speed
07/24/2014US20140202687 Determining fracture length via resonance
07/24/2014US20140202682 Apparatus for stripping optical fibers and optical fiber assemblies
07/24/2014US20140202242 Downhole tool for determining laterals
07/24/2014US20140202241 Liner Top Test Tool and Method of Use
07/24/2014US20140202240 Flow velocity and acoustic velocity measurement with distributed acoustic sensing
07/23/2014EP2757353A1 Device for detecting flooding of a hollow structure
07/23/2014EP2757229A1 Measuring device and method for monitoring the filling of a borehole
07/23/2014EP2756166A2 Systems and methods for reservoir production management
07/23/2014CN203729985U 井下随钻测量总成 MWD downhole assembly
07/23/2014CN203729984U 一种钻杆的信号传输结构 Signal transmission structure of a drill
07/23/2014CN203729983U 多段压裂水平井智能测试系统 Multi-stage fractured horizontal wells Intelligent Test System
07/23/2014CN203729982U 一种用于深井测量的投入式液位温度一体变送器 Input level temperature measurements for a deep one transmitter
07/23/2014CN203729981U 一种带有排污装置的油气田专用液位计 A special gauge oil and gas fields with sewage device
07/23/2014CN203729980U 一种计深装置 One kind of meter deep device
07/23/2014CN203729979U 一种瓦斯抽排钻孔深度内窥仪 Endoscopic instrument within a gas drainage drilling depth
07/23/2014CN203729978U 一种矿用随钻轨迹测量探管控制系统 One kind of mining drilling trajectory control system measuring probe
07/23/2014CN203729977U 随钻测量仪器应急安全释放装置 MWD equipment, emergency and safety relief device
07/23/2014CN203729976U 一种煤矿井下钻孔全方位窥视探头及定位装置 One kind of coal mine drilling round peep probe and positioning device
07/23/2014CN203729975U 一种用于测量模拟钻井中钻头侧向力及轴向力的装置 Apparatus for a bit side force and the axial force measurement simulation Drilling
07/23/2014CN203729974U 一种用于井下摄像仪的扶正器 A downhole video camera of centralizers
07/23/2014CN203729973U 一种密封性加重杆 One kind of tightness heavier rod
07/23/2014CN203729972U 一种石油钻井实时监测系统 Real-time monitoring system for a petroleum drilling
07/23/2014CN203729971U 一种用于井下摄像仪的电缆头 A downhole video camera cable head
07/23/2014CN203729956U 非常规天然气开采可视化模拟装置 Unconventional gas exploration visualization simulation device
07/23/2014CN203729935U 一种测井用自爬行通径器 Logging and calipers with self crawling through
07/23/2014CN203729910U 一种抽油杆旋转悬挂装置 One kind of rotating rod suspension
07/23/2014CN203729908U 一种扶正器 One kind of centralizers
07/23/2014CN203729900U 防喷找水喇叭口接头 BOP find water flare fittings
07/23/2014CN103946849A 基于复杂断裂模型进行井规划的方法及系统 Complex fracture model based well planning and systems
07/23/2014CN103946482A 在钻柱内产生数据脉冲的装置和方法 Apparatus and method for generating data pulses in the drill string
07/23/2014CN103946481A 采用光学计算元件指导钻井作业 Optical computing elements to guide drilling
07/23/2014CN103939093A 复杂油气藏真实岩心井网条件下可视物理模拟装置 Visual physical simulator complex reservoirs under real network conditions well cores
07/23/2014CN103939092A 振动隔离装置 Vibration isolation device
07/23/2014CN103939091A 径向流驱替物理模型系统 Radial flow flooding physical model of the system
07/23/2014CN103939090A 瓦斯压力检测仪 Gas pressure detector
07/23/2014CN103939089A 示踪器、包括该示踪器的钻井设备及使用方法 Tracer, which tracer comprises a drilling apparatus and method of use
07/23/2014CN103939088A 一种随钻测斜系统 One kind MWD system
07/23/2014CN103939087A 一种测井密度传感器 Logging and density sensor
07/23/2014CN103939086A 超声波多普勒-相关法测量配注井管外流量方法 Ultrasonic Doppler - related injection wells measured with the flow tube method
07/23/2014CN103939085A 一种模拟现场传感器信号用于综合录井仪调试的方法 A simulated field sensor signal comprehensive logging method for debugging
07/23/2014CN103939084A 水平井测试仪器的注水推进方法及可控式注水推进器 Horizontal well test equipment and controllable method of injection water propulsion thruster
07/23/2014CN103939083A 高温六参数组合测试仪、测试系统及测试方法 Hot six parameter combination tester, test systems and test methods
07/23/2014CN103939009A 无线随钻式空气快速钻进组合钻具 MWD air quickly got into a combination of drill
07/23/2014CN102337884B 高精度井下电磁测厚井径仪 Downhole electromagnetic high-precision thickness measurement caliper
07/23/2014CN101900827B 声波探测装置 Acoustic detection device
07/22/2014US8788210 Job monitoring methods and apparatus for logging-while-drilling equipment
07/22/2014US8788209 Determining fluid rate and phase information for a hydrocarbon well using predictive models
07/22/2014US8788207 Precise borehole geometry and BHA lateral motion based on real time caliper measurements
07/22/2014US8786285 Apparatus for monitoring a positional relationship between a boring tool and an inground line
07/22/2014US8784068 System and method for sensing a liquid level
07/22/2014US8783381 Formation testing in managed pressure drilling
07/22/2014US8783355 Virtual flowmeter for a well
07/22/2014US8783346 System and method for improving operational characteristics
07/22/2014US8783342 System and method for using controlled vibrations for borehole communications
07/22/2014US8783099 Downhole sensors impregnated with hydrophobic material, tools including same, and related methods
07/22/2014CA2840470A1 Pressure testing valve and method of using the same
07/22/2014CA2840428A1 Pressure testing valve and method of using the same
07/22/2014CA2749573C Apparatus and process for wellbore characterization
07/22/2014CA2570080C Wellbore surveying
07/17/2014WO2014110199A1 Well water and aquifer quality measurement and analysis system
07/17/2014WO2014109855A1 System and method to generate three-dimensional mapping of a tubular component layout
07/17/2014WO2014109821A1 Fiberoptic systems and methods for subsurface em field monitoring
07/17/2014WO2014109816A1 Fiberoptic systems and methods for formation monitoring
07/17/2014WO2014109754A1 Time-lapse time-domain reflectometry for tubing and formation monitoring
07/17/2014WO2014015158A3 Sliding joint for use with a downhole tool
07/17/2014WO2013131914A3 Method for testing the tightness of cavities and device for decreasing convection and diffusion flow
07/17/2014US20140198617 Method and Apparatus for In-Well Wireless Control Using Infrasound Sources
07/17/2014US20140196893 Equipment and Methods for Deploying Line in a Wellbore
07/17/2014US20140196892 Interruptible Pressure Testing Valve
07/17/2014DE112005001554B4 Elektrisches Zeichenabgabesystem Electric sign delivery system
07/17/2014CA2839340A1 System for creating a near real time well log
07/16/2014EP2755062A1 Asic concept for a downhole tool
07/16/2014EP2754853A1 Fastening technique in a downhole tool
07/16/2014EP2754852A1 Downhole pressure compensator
07/16/2014EP2753796A1 Optical casing collar locator systems and methods
07/16/2014CN203719673U 一种用于感应测井仪的补偿线圈系 A method for compensating coil induction logging tool system
07/16/2014CN203716958U 注聚井注入压力表指针减摆装置 Polymer injection well injection pressure gauge pointer shimmy device
07/16/2014CN203716957U 一种次声波水源井液面测试仪 A second-level water wells sonic tester
07/16/2014CN203716956U 用于石油测井仪器的压力补偿装置和结构尺寸补偿装置 Pressure compensation device size and structure of the compensation system for oil well logging instruments
07/16/2014CN203716955U 一种辅助c-als钻孔式激光扫描仪在溜井中测量的稳定装置 An auxiliary c-als-drilled laser scanner stabilizing device measured in wells slip
07/16/2014CN203716954U 抽油井检测用传感器的安装装置 Mounting means for detecting the oil well pumping sensor
07/16/2014CN203716953U 一种用于感应测井仪的可调线圈系 An adjustable coil induction logging tool system
07/16/2014CN203716952U 一种采油过滤器 One kind of oil filter
07/16/2014CN203716943U 一种射孔弹模拟装枪钢靶试验装置 Perforating bomb loaded gun steel target simulation test device
07/16/2014CN203716934U 一种海水压力驱动的水下隔离阀系统 Seawater pressure-driven underwater isolation valve system
07/16/2014CN203716900U 石油测井放射源抓卸工具 Oil well logging sources caught unloading tools
07/16/2014CN203716861U 一种新型整体管线 A new overall pipeline
07/16/2014CN203715159U 油田测井用地滑轮支撑装置 Oil well logging sites pulley support means
07/16/2014CN103930752A 分布式二维流体传感器 Distributed two-dimensional fluid sensor
07/16/2014CN103930650A 用于自动页岩采摘和页岩体积确定的系统及算法 Shale systems and algorithms for automatic picking and shale volume determined
07/16/2014CN103930649A 具有双极电压梯的能量辐射发生器 Energy radiation with bipolar voltage gradient generator
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