| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
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| 01/21/2015 | CN102337850B 钛合金防喷管 Titanium lubricator |
| 01/20/2015 | US8938363 Active seismic monitoring of fracturing operations and determining characteristics of a subterranean body using pressure data and seismic data |
| 01/20/2015 | US8937280 System and method for wellbore monitoring |
| 01/20/2015 | US8936039 Communication apparatus, air conditioning system having the same and communication method thereof using refrigerant pipes |
| 01/20/2015 | US8935957 Methods of designing a drilling fluid having suspendable loss circulation material |
| 01/15/2015 | WO2015006363A1 Determining geomechanics completion quality |
| 01/15/2015 | WO2015005937A1 Detecting bed boundary locations based on measurements from multiple tool depths in a wellbore |
| 01/15/2015 | WO2015005924A1 Rotationally-independent wellbore ranging |
| 01/15/2015 | WO2015005923A1 Wellbore component life monitoring system |
| 01/15/2015 | US20150019134 Wellbore Positioning System and Method |
| 01/15/2015 | US20150015413 Downhole telemetry systems and methods with time-reversal pre-equalization |
| 01/15/2015 | US20150015412 System and console for monitoring data stream quality in drilling and production operations at a well site |
| 01/15/2015 | US20150014521 Reducing Disturbance During Fiber Optic Sensing |
| 01/15/2015 | US20150014057 Mining drill with gradient sensing |
| 01/15/2015 | US20150013976 Intelligent well system and method |
| 01/15/2015 | US20150013975 Method and System for Monitoring and Managing Fiber Cable Slack in a Coiled Tubing |
| 01/15/2015 | US20150013974 Fracture evaluation through cased boreholes |
| 01/15/2015 | US20150013973 Pump Control For Auxiliary Fluid Movement |
| 01/15/2015 | US20150013970 Sand Control Screen Assembly with Internal Control Lines |
| 01/15/2015 | US20150013968 System And Method For Operating A Pump In A Downhole Tool |
| 01/15/2015 | US20150013448 System and method for improved cuttings measurements |
| 01/15/2015 | US20150013446 Monitoring Flow Conditions Downwell |
| 01/14/2015 | EP2824455A1 System and method for logging isotope fractionation effects during mud gas logging |
| 01/14/2015 | EP2823209A2 Latching assembly for wellbore logging tools and method of use |
| 01/14/2015 | EP2823146A2 Method for testing the tightness of the access well of an underground cavity and device for decreasing convection and diffusion flow |
| 01/14/2015 | EP2823145A1 High temperature and vibration protective electronic component packaging |
| 01/14/2015 | EP2823134A2 Method for communicating with logging tools |
| 01/14/2015 | CN204098906U 堵漏反向承压测定装置 Plugging back pressure measuring device |
| 01/14/2015 | CN204098905U 复合型高速采集与传输系统 Complex high-speed acquisition and transmission system |
| 01/14/2015 | CN204098904U 井下无磁通讯短节 Non-magnetic short section of underground communications |
| 01/14/2015 | CN204098903U 一种井下管柱试压、泄压工具 A downhole string test pressure relief tool |
| 01/14/2015 | CN204098902U 用于检测活塞到达井的底部的时间的系统 For detecting the piston reaches the bottom of the well system time |
| 01/14/2015 | CN204098901U 油水井井口测试快速连接装置 Oil wells, wellhead test quick connect device |
| 01/14/2015 | CN204098900U 一种新型螺杆泵用传感器 A new screw with sensor |
| 01/14/2015 | CN204098899U 窥视仪长钻孔便携式快速连接推拉杆 Peep meter long drilling Portable Quick Connect push-pull rod |
| 01/14/2015 | CN204098898U 安全快速接头 Safety Quick Coupling |
| 01/14/2015 | CN204098897U 卧式流体计量撬 Horizontal fluid metering skid |
| 01/14/2015 | CN204098896U 用于保护测井井下仪器的实时监控装置 Real-time monitoring system for the protection of downhole logging instruments |
| 01/14/2015 | CN204098895U 一种组合式的灰罐称重计量装置 Gray tank weighing a combined metering device |
| 01/14/2015 | CN204098894U 用于石油测井仪器的高强度复合承压外壳 High-strength composite used in oil well logging instrument bearing housing |
| 01/14/2015 | CN204098872U 电潜泵井管柱以及电潜泵井 ESP well string and electric submersible pump wells |
| 01/14/2015 | CN204098087U 一种沉渣厚度测定装置 A sediment thickness measuring device |
| 01/14/2015 | CN104285033A 增强型电阻率测量的装置、方法和系统 Enhanced resistivity measurement apparatus, a method and system |
| 01/14/2015 | CN104278990A 测井数据质量恢复方法及装置 Logging data quality recovery method and apparatus |
| 01/14/2015 | CN104278988A 侧钻井三层找卡水与生产作业一体化管柱及其作业方法 Sidetrack three cards to find water and the integration of production operations and operating methods string |
| 01/14/2015 | CN104278987A 侧钻井二层找卡水与生产作业一体化管柱及其作业方法 Sidetrack the second floor to find the card with the production operations integrated water column and operating methods |
| 01/14/2015 | CN104278986A 具有脉冲发电机的随钻井底压力监测装置 With the end of the drilling pressure monitoring device has a pulse generator |
| 01/14/2015 | CN104278985A 一种采用负压射孔技术实现压力恢复测井解释的方法 One kind of technology using underbalanced perforating pressure recovery log interpretation methods |
| 01/14/2015 | CN104278984A 用于游梁式抽油机的微位移示功仪 Beam pumping unit for micro-displacement dynamometer |
| 01/14/2015 | CN104278983A 一种声波全方位测试干孔探头的耦合装置 One kind of comprehensive testing dry hole sonic probe coupling device |
| 01/14/2015 | CN104278982A 环分式多相流量计量装置 Central fraction multiphase flow metering device |
| 01/13/2015 | US8935100 System and method for production reservoir and well management using continuous chemical measurement |
| 01/13/2015 | US8933693 Method and device for determining the existence and location of stress-inducing forces on a rod |
| 01/13/2015 | US8931580 Method for using dynamic target region for well path/drill center optimization |
| 01/13/2015 | US8931579 Borehole generator |
| 01/13/2015 | US8931553 Electrically conductive proppant and methods for detecting, locating and characterizing the electrically conductive proppant |
| 01/13/2015 | US8931549 Method and apparatus for a subterranean and marine-submersible electrical transmission system for oil and gas wells |
| 01/13/2015 | US8931335 Processing of multi-component induction data in the presence of borehole abnormalities |
| 01/13/2015 | CA2804397C Fiber support arrangement and method |
| 01/13/2015 | CA2582795C Method and system for interpreting tubing data |
| 01/13/2015 | CA2558162C Surface real-time processing of downhole data |
| 01/08/2015 | WO2015003107A1 Downhole imaging systems and methods |
| 01/08/2015 | WO2015002848A1 Semi-analytic inversion method for nuclear magnetic resonance (nmr) signal processing |
| 01/08/2015 | WO2015002653A1 Estimating casing wear |
| 01/08/2015 | WO2015002641A1 Determining a shape of a downhole object |
| 01/08/2015 | WO2015000023A1 Alignment system for alignment of a drill rod during drilling |
| 01/08/2015 | US20150012219 System for near real time surface logging of a geothermal well, a hydrocarbon well, or a testing well using a mass spectrometer |
| 01/08/2015 | US20150012218 Method for near real time surface logging of a geothermal well, a hydrocarbon well, or a testing well using a mass spectrometer |
| 01/08/2015 | US20150012217 System and Methods for Measuring Borehole Caliper in Oil-Based Mud |
| 01/08/2015 | US20150009041 Downhole communication |
| 01/08/2015 | US20150009040 Adaptive Method for High Data Rate Communication In Wells |
| 01/08/2015 | US20150007986 Acoustic Determination Of Piston Position In A Modular Dynamics Tester Displacement Pump And Methods To Provide Estimates Of Fluid Flow Rate |
| 01/08/2015 | US20150007983 Downhole Imaging Systems and Methods |
| 01/08/2015 | US20150007982 Telemetry system and method of communicating through a tubular |
| 01/08/2015 | US20150007977 Apparatus and methods for cemented multi-zone completions |
| 01/08/2015 | US20150007976 Method and apparatus for permanent measurement of wellbore formation pressure from an in-situ cemented location |
| 01/08/2015 | US20150007652 Acoustic Determination Of The Position Of A Piston With Buffer Rods |
| 01/08/2015 | US20150007650 Sensors for measuring temperature, pressure transducers including temperature sensors and related assemblies and methods |
| 01/08/2015 | US20150007649 Method for testing the tightness of cavities and device for decreasing convection and diffusion flow |
| 01/08/2015 | US20150007647 Acoustic Determination Of The Position Of A Piston Within A Sample Bottle |
| 01/08/2015 | DE102007040997B4 Regelbares Druckminderventil und Verwendung desselben zur Erzeugung von Druckänderungssignalen Variable pressure reducing valve and use of the same for the generation of pressure change signals |
| 01/07/2015 | EP2820452A1 Methods and apparatus for transmission of telemetry data |
| 01/07/2015 | EP2820413A1 Testing compressive and tensile strength of cement in a single device |
| 01/07/2015 | EP2820241A2 Method for transient testing of oil wells completed with inflow control devices |
| 01/07/2015 | EP2820233A2 Method and assembly for conveying well logging tools |
| 01/07/2015 | CN204085521U 一种井下巷道腰线测量仪 A downhole gauges roadway waistline |
| 01/07/2015 | CN204082135U 抽采钻孔封孔质量检测仪 Borehole Sealing Quality Tester |
| 01/07/2015 | CN204082133U 一种多频电磁波电阻率测量系统 A multi-frequency electromagnetic wave resistivity measurement system |
| 01/07/2015 | CN204082132U 基于Zigbee无线通讯技术的矿压检测系统 Zigbee-based wireless communication technology mine pressure detection system |
| 01/07/2015 | CN204082131U 一种用于水文观测孔的电子测绳 An electronic measuring rope holes for hydrological observation |
| 01/07/2015 | CN204082130U 桩孔沉渣测量系统 Pile sediment measurement system |
| 01/07/2015 | CN204082129U 一种油井套管深度标志环 One kind of well casing depth markers ring |
| 01/07/2015 | CN204082128U 一种露天煤矿开采机械装置 One kind of surface coal mining machinery |
| 01/07/2015 | CN204082127U 一种随钻测斜仪工况模拟实验装置 One kind of drilling inclinometer condition simulation device |
| 01/07/2015 | CN204082126U 一种模拟井筒环空多相流的可视化实验装置 An experimental device visualization simulation of multiphase flow in the wellbore annulus |
| 01/07/2015 | CN204082125U 一种模拟钻井溢流的可视化实验装置 An experimental device simulation visualization drilling overflow |
| 01/07/2015 | CN204082124U 一种低产油井多相计量橇装装置 One kind of low-yielding wells multiphase metering skid-mounted unit |
| 01/07/2015 | CN204082123U 具有综合录井与试油录井功能的录井仪 Has a comprehensive logging and logging function test oil logging instrument |
| 01/07/2015 | CN204082122U 一种新型测井仪蛇形柔性机构 A new logging tool serpentine flexible mechanism |
| 01/07/2015 | CN204082095U 一种稠油井陀螺电缆原油回收装置 One kind of thick crude oil recovery gyro cable |