Patents for E21B 47 - Survey of boreholes or wells (31,352)
10/2010
10/26/2010US7819206 System and method for logging with wired drillpipe
10/26/2010US7819189 Method and system for determining plunger location in a plunger lift system
10/26/2010US7819188 Monitoring, controlling and enhancing processes while stimulating a fluid-filled borehole
10/26/2010US7819185 Expandable tubular
10/26/2010US7819182 Stress, strain and fatigue measuring of well piping
10/26/2010US7819181 Method and an apparatus for evaluating a geometry of a hydraulic fracture in a rock formation
10/26/2010CA2588561C Fracture characterization using reservoir monitoring devices
10/26/2010CA2584827C System and method for releasing and retrieving memory tool with wireline in well pipe
10/22/2010CA2701260A1 Downhole sensor interface
10/21/2010WO2010120593A2 A microfluidic oscillating tube densitometer for downhole applications
10/21/2010WO2010120510A1 System and method for communicating about a wellsite
10/21/2010WO2010120507A2 System and method for communicating about a wellsite
10/21/2010WO2010120187A1 A communication arrangement for transmission of communication signals along a pipe line
10/21/2010WO2010119010A2 Downhole valve tool and method of use
10/21/2010WO2010118876A2 Multiple stage mechanical drift tool
10/21/2010WO2010118564A2 Method for calculating spiral flow velocity of newtonian fluid eccentric annuli
10/21/2010WO2010093920A3 Bi-directional flow and distributed temperature sensing in subterranean wells
10/21/2010WO2010090529A3 Plug
10/21/2010US20100268489 Method and system for registering and measuring leaks and flows
10/21/2010US20100268468 Method and Apparatus for Geobaric Analysis
10/21/2010US20100265509 In situ optical computation fluid analysis system and method
10/21/2010US20100263930 Impact Powered Transmitter For Directional Drilling
10/21/2010US20100263861 System and Method for Optimizing Gravel Deposition in Subterranean Wells
10/21/2010US20100263442 Methods and apparatus for analyzing a downhole fluid
10/21/2010US20100263441 Multiple stage mechanical drift tool
10/21/2010CA2758417A1 Multiple stage mechanical drift tool
10/21/2010CA2753389A1 A microfluidic oscillating tube densitometer for downhole applications
10/20/2010EP2241717A2 System and method for communicating between a drill string and a logging instrument
10/20/2010EP2240669A2 Systems and methods for well data analysis
10/20/2010EP2240668A2 Mud pulse telemetry system
10/20/2010CN201610752U 一种利用ofdm技术实现高速传输的遥传系统 Ofdm a use technology to achieve high-speed transmission of telemetry system
10/20/2010CN201610751U 计量罐 Measuring tank
10/20/2010CN101866145A Intelligent well simulation experiment device
10/20/2010CN101864953A Pushing device for extraction of formation fluid
10/20/2010CN101864946A Method and device for measuring output of fluid produced by oil production well
10/20/2010CN101864945A Multi-oil-well continuous metering system based on programmable controller, and metering method thereof
10/20/2010CN101864944A Drilling hole transverse perforation device of rock destruction characteristic and ground stress parameter measurement
10/20/2010CN101864927A Paraffin scraping and collar detecting device of oil pumping rod
10/20/2010CN101864912A Roller type water injection well centering device
10/19/2010US7816923 Enhanced passive ranging methodology for well twinning
10/19/2010US7816922 Magnetization of target well casing string tubulars for enhanced passive ranging
10/19/2010US7814989 System and method for performing a drilling operation in an oilfield
10/19/2010US7814988 System and method for determining the rotational alignment of drillstring elements
10/19/2010US7814974 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
10/19/2010US7814782 Downhole gas detection in drilling muds
10/19/2010CA2652477C Determination of azimuthal offset and radius of curvature in a deviated borehole using periodic drill string torque measurements
10/19/2010CA2603653C Method for determination and correction of a drilling malfunction for a drilling unit
10/19/2010CA2593959C Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation
10/19/2010CA2557259C Safemode operating system for a drilling or service rig
10/19/2010CA2463276C Real-time on-line sensing and control of mineral scale deposition from formation fluids
10/14/2010WO2010118138A2 Method for estimation of bulk shale volume in a real-time logging-while-drilling environment
10/14/2010WO2010117670A2 Measuring with tuned transmitters and broadband receivers
10/14/2010WO2010117659A1 Active in-situ controlled permanent downhole device
10/14/2010WO2010117647A2 Electromagnetic logging between borehole and surface
10/14/2010WO2010117549A1 Annulus mud flow rate measurement while drilling and use thereof to detect well dysfunction
10/14/2010WO2010117547A1 System and method for minimizing lost circulation
10/14/2010WO2010116228A2 In-situ evaluation of reservoir sanding and fines migration and related completion, lift and surface facilities design
10/14/2010WO2010115777A2 Method and steering assembly for drilling a borehole in an earth formation
10/14/2010WO2010083180A3 Attenuation of unwanted acoustic signals by semblance criterion modification
10/14/2010WO2010078577A3 Processing time series data embedded in high noise
10/14/2010US20100262370 Data Transmission Systems and Methods for Azimuthally Sensitive Tools with Multiple Depths of Investigation
10/14/2010US20100259265 Flux Plane Locating in an Underground Drilling System
10/14/2010US20100258351 System, method and apparatus for downhole system having integrated measurement while operating components
10/14/2010US20100258321 Active positioning of downhole devices using spherical motors
10/14/2010US20100258304 In-situ evaluation of reservoir sanding and fines migration and related completion, lift and surface facilities design
10/14/2010US20100258303 Annulus mud flow rate measurement while drilling and use thereof to detect well dysfunction
10/14/2010US20100257927 Electromagnetic Free Point Tool and Methods of Use
10/14/2010CA2758373A1 Downhole sensor systems and methods thereof
10/14/2010CA2757260A1 System and method for minimizing lost circulation
10/14/2010CA2756506A1 Annulus mud flow rate measurement while drilling and use thereof to detect well dysfunction
10/13/2010CN201606115U 稠油热采太阳能供电汽窜预警器 Heavy oil thermal recovery steam channeling solar powered warning device
10/13/2010CN201606070U 一种绞车面板系统 One kind of winch panel system
10/13/2010CN201606069U 测井仪器通用接口 Common interface logging tools
10/13/2010CN201606068U 一种钻井井筒直径的井径仪 One kind of drilling wellbore diameter caliper
10/13/2010CN201606067U 用于钻孔测量的可连续测角装置 Borehole measurements for continuous angle measurement device
10/13/2010CN201606066U 减震吸热供电装置 Endothermic damping power supply unit
10/13/2010CN201606065U 一种油井工况分析仪 One kind of oil condition analyzers
10/13/2010CN201606064U 油气水三相混合物在线计量装置 Three-phase mixture of water and gas metering device online
10/13/2010CN201606063U 三相计量装置 Three-phase metering device
10/13/2010CN201606062U 气液二相分离计量装置 Separating gas-liquid two-phase measuring device
10/13/2010CN201606061U 多臂信号调理模块 Dobby signal conditioning modules
10/13/2010CN201606060U 一种泥浆压力密度测井仪 One kind of mud pressure density logging tool
10/13/2010CN201606059U 一种微球聚焦测井主电流的供电电路 A micro spherical focusing logging of the main current supply circuit
10/13/2010CN201606058U 一种微球聚焦测井仪电压测量与电流测量的电路 A micro ball logging tool focusing voltage measurement and current measurement circuit
10/13/2010CN201606057U 一种微球聚焦测井主电流线路的厚膜电路 A micro ball Focused Logging main current line Houmodianlu
10/13/2010CN201606056U 一种微球聚焦测井仪电压与电流测量线路的厚膜电路 A micro ball logging tool focusing voltage and current measurement circuit Houmodianlu
10/13/2010CN201606055U 一种带副油桶的移动式单井计量装置 Mobile metering device with a single well of vice drums
10/13/2010CN201606054U 一种活塞斜面式泄压装置 One kind of piston-type pressure relief devices ramp
10/13/2010CN201606047U 用于复合射孔与全通径地层测试联作中的能量吸收装置 For composite perforation with full bore formation tests linked the energy absorbing device for
10/13/2010CN201606032U 异步自锁密封段 Seal asynchronous self-locking segment
10/13/2010CN1718999B Detecting method of gas content ratio in gas liquid two phase flow
10/13/2010CN1656302B System and method for quantitatively determining variations of a formation characteristic after an event
10/13/2010CN1633542B Sonde housing
10/13/2010CN101858210A Simulated test device for acoustic logging instrument
10/13/2010CN101858209A Synchronous detection method of terrane crack distribution of base plate
10/13/2010CN101027456B Bottom drill combination
10/12/2010US7814036 Processing well logging data with neural network
10/12/2010US7813898 Processing sensing measurements
10/12/2010US7813878 Gyroscopic steering tool using only a two-axis rate gyroscope and deriving the missing third axis
10/12/2010US7813220 Method and apparatus for long term seismic monitoring