| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
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| 07/16/2014 | CN103930645A 压力完整性测试系统 Pressure Integrity Test System |
| 07/16/2014 | CN103928211A 双扇面核磁共振测井仪永磁体 Dual fan NMR logging tools permanent magnet |
| 07/16/2014 | CN103925950A 一种多功能瓦斯参数测定装置及其使用方法 An apparatus and method of use multifunction gas parameters measured |
| 07/16/2014 | CN103925393A 用于泥浆脉冲发生器上的滑阀 For slide valve on the mud pulser |
| 07/16/2014 | CN103924966A 基于储层物性时变模型的层系井网再建方法 Well when strata based on variable reservoir properties model to build method |
| 07/16/2014 | CN103924965A 用于随钻测量系统的接口箱 For MWD system interface box |
| 07/16/2014 | CN103924964A 一种采油树1号主阀试压塞 A Christmas tree on the 1st main valve pressure test plug |
| 07/16/2014 | CN103924963A 一种示功仪采样率自动切换方法 One kind dynamometer automatic sample rate switching method |
| 07/16/2014 | CN103924962A 一种径向流驱替模拟装置 Have a radial displacement flow simulation device |
| 07/16/2014 | CN103924961A 油井油气水三相自动计量系统 Oil-gas-water three-phase automatic measuring system |
| 07/16/2014 | CN103924960A 一种油气井射孔地面监测方法 One kind of oil and gas wells perforating the ground monitoring methods |
| 07/16/2014 | CN103924959A 测量油井产液中含水量的方法 Measuring water content in oil well production fluid method |
| 07/16/2014 | CN103924948A 涡流流态模拟可视化试验装置 Vortex flow pattern visualization simulation test device |
| 07/16/2014 | CN103924941A 一种偏心测试井口装置 One kind of eccentric test wellhead |
| 07/16/2014 | CN102392633B 一种新型井下放射性示踪剂释放方法及其装置 A new release of underground radioactive tracer method and apparatus |
| 07/16/2014 | CN102137981B 用于拓宽并且同时监测井的直径和流体特性的钻井工具和方法 Drilling tools and methods diameter and fluid properties for widening and simultaneously monitoring wells |
| 07/16/2014 | CA2839836A1 Interruptible pressure testing valve |
| 07/15/2014 | US8780336 Fiber optic sensors within subsurface motor winding chambers |
| 07/15/2014 | US8776878 Sensor for determining downhole parameters and methods for using same |
| 07/15/2014 | US8776609 Use of fiber optics to monitor cement quality |
| 07/15/2014 | US8776591 Downhole, single trip, multi-zone testing system and downhole testing method using such |
| 07/15/2014 | CA2778311C Downhole progressive pressurization actuated tool and method of using the same |
| 07/15/2014 | CA2726506C An apparatus for a borehole influx fluid parameters' measurement |
| 07/15/2014 | CA2634142C Logging system, method of logging an earth formation and method of producing a hydrocarbon fluid |
| 07/15/2014 | CA2616444C High temperature wellbore monitoring method and apparatus |
| 07/10/2014 | WO2014107708A1 Apparatus and method for communication between downhole components |
| 07/10/2014 | WO2014107370A1 Devices and methods for landfill gas well monitoring and control |
| 07/10/2014 | WO2014107151A1 Downhole supercapacitor device |
| 07/10/2014 | WO2014107149A1 System and method for predicting and visualizing drilling events |
| 07/10/2014 | WO2013132227A3 Monitoring flow conditions downwell |
| 07/10/2014 | WO2013113002A4 A method to control the environment in a laser path |
| 07/10/2014 | WO2013110935A3 An insulating component |
| 07/10/2014 | US20140192621 Apparatus and method for communication between downhole components |
| 07/10/2014 | US20140192180 Inspection system and method for use in underground boring operations |
| 07/10/2014 | US20140191879 Casing detection tools and methods |
| 07/10/2014 | US20140190747 System and method for automatic weight-on-bit sensor calibration |
| 07/10/2014 | US20140190691 Method of selecting a production well location in a hydrocarbon subsurface formation |
| 07/10/2014 | US20140190687 Leak detection in circulated fluid systems for heating subsurface formations |
| 07/10/2014 | US20140190686 Electrically Conductive Proppant and Methods for Detecting, Locating and Characterizing the Electrically Conductive Proppant |
| 07/09/2014 | EP2752551A2 Enhanced device for determining the location of induced stress in stuck borehole tubulars |
| 07/09/2014 | EP2751388A1 Methods and systems of formation density measurements in the presence of invasion of drilling fluids |
| 07/09/2014 | EP2751380A1 Borehole surveying tool deployment |
| 07/09/2014 | CN203703539U 一种可调式偏心井口专用支架 An adjustable eccentric wellhead Bracket |
| 07/09/2014 | CN203702140U 近钻头随钻测量通信系统 Near-bit MWD communication system |
| 07/09/2014 | CN203702139U 挖孔灌注桩成孔质量检测装置 Drilled Piles quality detection device |
| 07/09/2014 | CN203702138U 含蜡油井关井再开井顶挤压力的实验装置 Waxy oil wells shut and then open the top extrusion pressure experimental device |
| 07/09/2014 | CN203702137U 智能防爆无线远程遥控液位监测报警装置 Smart Ex radio remote control level monitoring and alarm device |
| 07/09/2014 | CN203702136U 一种井下固定式液面测试装置 A downhole fixed level testing device |
| 07/09/2014 | CN203702135U 钻孔孔深测量器 Drill hole depth gauge |
| 07/09/2014 | CN203702134U 一种基于蓝牙无线通信模块的无缆存储式钻孔测斜仪 A Bluetooth wireless communication module based untethered storage type borehole inclinometer |
| 07/09/2014 | CN203702133U 水平误差校正辅助支架及水平误差校正装置 The level of error correction auxiliary bracket and the level of error correction device |
| 07/09/2014 | CN203702132U 油田单井计量装置 Oilfield single well metering device |
| 07/09/2014 | CN203702131U 一种自封式石油井口电缆保护装置 One kind of self-styled oil wellhead Cable Protectors |
| 07/09/2014 | CN203702130U 一种缩短的双感应八侧向仪器探头 A method for improving the dual induction eight lateral instrument probe |
| 07/09/2014 | CN203702129U 一种四参数测井仪探头 A four-parameter logging tool probe |
| 07/09/2014 | CN203702128U 一种油管记录仪 One kind of tubing Recorder |
| 07/09/2014 | CN203702127U 双腔分离器气液自动计量装置 Dual-chamber gas-liquid separator automatic measuring device |
| 07/09/2014 | CN203702126U 一种高压气井地面测试管汇系统 A high-pressure gas manifold system ground test |
| 07/09/2014 | CN203702124U 一种钻机的控制系统及钻机 One kind of drilling rigs and rig control system |
| 07/09/2014 | CN203702020U 一种新型测井仪用水平扶正器 A new logging tool with a horizontal stabilizer |
| 07/09/2014 | CN103917732A 用于在地下地层中进行电磁测量的钻头 For electromagnetic measurements in the underground formation drills |
| 07/09/2014 | CN103912270A 井间测井深度与速度同步控制定位系统及方法 Crosswell logging depth and speed synchronous control positioning system and method |
| 07/09/2014 | CN103912267A 五排状高压密闭式注入器 Five rows like the high-pressure injectors closed |
| 07/09/2014 | CN103912266A 能底面注入同位素载体的电动示踪剂注入器 Can underside injected isotope tracer injection device for electric vehicle |
| 07/09/2014 | CN103912265A 一种方位伽马测井仪的实验装置 An experimental device orientation gamma logging tool |
| 07/09/2014 | CN103912263A 孔内气水分离测压装置及其安装方法和使用方法 Hole gas-water separator and pressure measurement device to install and use |
| 07/09/2014 | CN103912262A 一种顺层钻孔径向体积变形测定装置 One kind of bedding drilling radial deformation volume measuring device |
| 07/09/2014 | CN103912261A 无线油井自动计量与检测系统 Wireless wells automatic measurement and detection systems |
| 07/09/2014 | CN103912260A 油田单井数据自动化远程采集系统 Oilfield single well automated remote data acquisition system |
| 07/09/2014 | CN102606101B 一种新型的井下定位装置 A novel downhole positioning means |
| 07/09/2014 | CN102094637B 一种数字声波首波检测方法 A digital acoustic wave detection method first |
| 07/08/2014 | US8775088 Method for acquiring and displaying in near real time gas analysis, well data collection, and other well logging data |
| 07/08/2014 | US8775085 Distributed sensors for dynamics modeling |
| 07/08/2014 | US8773525 Apparatus and method for conducting remote video inspection from above |
| 07/08/2014 | US8770285 Systems and methods for locating wellbore servicing tools within a wellbore |
| 07/08/2014 | US8770283 Systems and methods for distributed interferometric acoustic monitoring |
| 07/08/2014 | US8770279 Nanohybrid phase interfaces for foaming in oil field applications |
| 07/08/2014 | CA2795482C Drill bit assembly having electrically isolated gap joint for electromagnetic telemetry |
| 07/08/2014 | CA2770207C Methods and apparatus for determination of parameters related to a coiled tubing string |
| 07/08/2014 | CA2695608C Mineral insulated cable for downhole sensors |
| 07/08/2014 | CA2654052C In-borehole gas monitor apparatus and method |
| 07/08/2014 | CA2632687C Method and apparatus for investigating a borehole with a caliper |
| 07/08/2014 | CA2606085C A method for electromagnetically measuring physical parameters of a pipe |
| 07/08/2014 | CA2519822C Apparatus and method of identifying rock properties while drilling |
| 07/08/2014 | CA2518477C Microfluidic separator |
| 07/03/2014 | WO2014105659A1 Method of calibrating fracture geometry to microseismic events |
| 07/03/2014 | WO2014105539A1 Enhanced visualization of logging information in cased wells using dynamic normalization |
| 07/03/2014 | WO2014105504A1 Integrated wellbore caliper |
| 07/03/2014 | WO2014105503A2 Determining seismic sensor orientation in a wellbore |
| 07/03/2014 | WO2014105498A2 Well-logging viewer with icons |
| 07/03/2014 | WO2014105497A2 Well-logging device with dielectric thermoset material |
| 07/03/2014 | WO2014105305A1 Electronically monitoring drilling conditions of a rotating control device during drilling operations |
| 07/03/2014 | WO2014105090A1 Time-frequency domain multiplexing apparatus, methods, and systems |
| 07/03/2014 | WO2014105082A1 Distributed inflow control device |
| 07/03/2014 | WO2014105080A1 Apparatus and method of defects inspection |
| 07/03/2014 | WO2014105077A2 Monitoring a condition of a component in a rotating control device of a drilling system using embedded sensors |
| 07/03/2014 | WO2014105069A1 Method and apparatus for the downhole in-situ determination of the speed of sound in a formation fluid |
| 07/03/2014 | WO2014105055A1 Mitigating swab and surge piston effects across a drilling motor |
| 07/03/2014 | WO2014105054A1 Mitigating swab and surge piston effects in wellbores |
| 07/03/2014 | WO2014105050A1 Storage, handling and positioning device for drill rods and methods thereof |