| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
|---|
| 08/04/2011 | WO2011094134A2 Optical measurement device |
| 08/04/2011 | WO2011094082A2 Integrated permanent monitoring system |
| 08/04/2011 | WO2011092660A2 Mechanical tube wave sources and methods of use for liquid filled boreholes |
| 08/04/2011 | WO2011091505A1 Method for detecting and locating fluid ingress in a wellbore |
| 08/04/2011 | WO2011057058A3 Temperature insensitive devices and methods for making same |
| 08/04/2011 | WO2011053714A3 Piezo-based downhole flow meter |
| 08/04/2011 | WO2011049828A3 Methods for characterization of formations, navigating drill paths, and placing wells in earth boreholes |
| 08/04/2011 | WO2011044071A3 Cooling apparatus and methods for use with downhole tools |
| 08/04/2011 | WO2011044070A3 Formation testing planning and monitoring |
| 08/04/2011 | WO2011037927A3 System and method for monitoring and controlling wellbore parameters |
| 08/04/2011 | WO2011031863A4 Drill bit with rate of penetration sensor |
| 08/04/2011 | WO2011022255A4 Attachment of control lines to outside of tubular |
| 08/04/2011 | US20110191028 Measurement devices with memory tags and methods thereof |
| 08/04/2011 | US20110187554 Integrated permanent monitoring system |
| 08/04/2011 | US20110187553 Method and system of an electromagnetic telemetry |
| 08/04/2011 | US20110186353 System and Method for Monitoring and Controlling Underground Drilling |
| 08/04/2011 | US20110186294 Outside casing conveyed low flow impedance sensor gauge system and method |
| 08/04/2011 | US20110186291 Methods and systems for orienting in a bore |
| 08/04/2011 | US20110186290 Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments |
| 08/04/2011 | US20110185825 Horseshoe load cell |
| 08/04/2011 | US20110185809 Universal flash system and apparatus for petroleum reservoir fluids study |
| 08/04/2011 | US20110185807 Monitoring system for well casing |
| 08/04/2011 | US20110185806 Method and apparatus for precise positioning of a borehole measurement instrument |
| 08/04/2011 | US20110185805 Variable throat venturi flow meter |
| 08/04/2011 | CA2788335A1 Device and method for discrete distributed optical fiber pressure sensing |
| 08/04/2011 | CA2788280A1 Optical measurement device |
| 08/04/2011 | CA2787828A1 Combined swept-carrier and swept-modulation frequency optical frequency domain reflectometry |
| 08/04/2011 | CA2787682A1 Mechanical tube wave sources and methods of use for liquid filled boreholes |
| 08/03/2011 | EP2350699A1 Communication system and method in a multilateral well using an electromagnetic field generator |
| 08/03/2011 | EP2350599A1 Geochemical monitoring of a monitoring of a geological co2 storage site using associated rare-gas chemical ratios |
| 08/03/2011 | CN201915953U 瓦斯含量快速测定仪 Gas content Tester |
| 08/03/2011 | CN201915951U 一种圆柱环形结构的压电陶瓷电声换能器 A piezoelectric ceramic cylindrical acoustic transducer of the annular structure |
| 08/03/2011 | CN201915950U 一种为井下脉冲发送装置进行真空充油的设备 A vacuum oil-filled equipment for downhole pulse transmission device |
| 08/03/2011 | CN201915949U 油田汽窜检测装置 Oilfield steam channeling detection device |
| 08/03/2011 | CN201915948U 一种用于煤层气钻井远距离穿针的旋转磁源短节 A rotating magnetic source CBM drilling festival for short distances pinning |
| 08/03/2011 | CN201915947U 无线数据监测装置 Wireless data monitoring device |
| 08/03/2011 | CN201915946U 一种油井压力异常远程数控报警装置 One kind of abnormal oil pressure warning device remote NC |
| 08/03/2011 | CN201915945U 高温高压高频动态信号测试装置 High temperature and high pressure high frequency dynamic signal measurement device |
| 08/03/2011 | CN201915944U 一种油井液面测试装置 One kind of oil level testing device |
| 08/03/2011 | CN201915943U 适用于随钻测量仪器的轴向减震器 Suitable for drilling axial shock measuring instruments |
| 08/03/2011 | CN201915942U 一种井下用的流量测调仪器上的防撞调节头 Collision with a downhole flow measurement on the instrument tone adjustment head |
| 08/03/2011 | CN201915941U 柔性加重杆 Flexible heavier rod |
| 08/03/2011 | CN201915940U 利用激光实时记录钻机钻头位移参数的装置 Drill rig using a laser displacement parameters in real-time recording device |
| 08/03/2011 | CN201915939U 组油管立柱防井内落物托筒装置 Group tubing uprights anti-cylinder unit wells Litters care |
| 08/03/2011 | CN201915938U 新型多臂井径刻度装置 The new multi-arm caliper scale devices |
| 08/03/2011 | CN201915937U 一种测井涡轮流量计 Logging and turbine flowmeter |
| 08/03/2011 | CN201915936U 测卡仪井下加重杆 Heavier rod downhole instrument measuring card |
| 08/03/2011 | CN201915876U 水平井井下定位定角钻孔开窗工具 Fixed angle positioning of horizontal wells drilled downhole tool windows |
| 08/03/2011 | CN102140913A Small-diameter directional gyro inclinometer for drilling |
| 08/03/2011 | CN102140912A Underground monitoring device of intelligent well |
| 08/03/2011 | CN102140911A Method and device for acquiring viscosity and density of drilling fluids in drilling process |
| 08/03/2011 | CN102140908A Device, system and method for evaluating sand prevention performance of sand prevention sieve pipe |
| 08/03/2011 | CN102140889A Horizontal well logging while drilling geo-steering method |
| 08/02/2011 | US7990282 Borehole telemetry system |
| 08/02/2011 | US7990150 Multifrequency locating arrangement with frequency designation |
| 08/02/2011 | US7990138 Probe for analysis of a string of rods or tubes in a well |
| 08/02/2011 | US7987925 Method and apparatus for collecting drill bit performance data |
| 08/02/2011 | US7987901 Electrical control for a downhole system |
| 08/02/2011 | US7987708 Apparatus for the testing of downhole injection assemblies |
| 08/02/2011 | CA2660116C Distributed intelligence for enhanced monitoring and control of oilfield processes |
| 08/02/2011 | CA2652988C System, method, and apparatus for downhole submersible pump having fiber optic communications |
| 08/02/2011 | CA2467615C Well casing integrity monitoring system |
| 08/02/2011 | CA2465563C Chassis for downhole drilling tool |
| 08/02/2011 | CA2426488C Acoustic source using a shaftless electrical hammer |
| 08/01/2011 | CA2691462A1 Method for detecting and locating fluid ingress in a wellbore |
| 07/28/2011 | WO2011091368A2 System and method for performing an adaptive drilling operation |
| 07/28/2011 | WO2011091269A2 Method for determining rock formation fluid interaction properties using nuclear magnetic resonance well logging measurements |
| 07/28/2011 | WO2011091216A2 Real-time formation anisotropy and dip evaluation using tri-axial induction measurements |
| 07/28/2011 | WO2011090865A2 Detecting and meausuring a coring sample |
| 07/28/2011 | WO2011090658A2 Logging tool employing a monopole current injection electrode for microresistivity imaging |
| 07/28/2011 | WO2011090656A2 Microresistivity anisotropy logging tool employing a monopole current injection electrode |
| 07/28/2011 | WO2011090531A2 Connection system and method for subsea cables in severe environments |
| 07/28/2011 | WO2011089156A1 A device for intervention in a well comprising a pyrotechnic system, installation and method associated therewith |
| 07/28/2011 | WO2011088572A1 Outside casing conveyed low flow impedance sensor gauge system and method |
| 07/28/2011 | WO2011068848A3 Method for monitoring hydrocarbon production |
| 07/28/2011 | WO2011066302A3 Drilling assembly with a steering unit integrated in drilling motor |
| 07/28/2011 | WO2011044348A3 Current-to-voltage converters with dynamic feedback |
| 07/28/2011 | WO2011031447A3 Instrumented swellable element |
| 07/28/2011 | US20110184711 Method for estimating formation permeability using time lapse measurements |
| 07/28/2011 | US20110182141 Method and system for monitoring a logging tool position in a borehole |
| 07/28/2011 | US20110181436 Communications connection in a subsea well |
| 07/28/2011 | US20110180327 Mulitmodal Geosteering Systems and Methods |
| 07/28/2011 | US20110180325 Sensor on a Formation Engaging Member of a Drill Bit |
| 07/28/2011 | US20110180324 Sensor on a Formation Engaging Member of a Drill Bit |
| 07/28/2011 | DE102009014887B4 Verfahren und System zum Lokalisieren eines Bohrgeräts einer Erdbohrvorrichtung A method and system for locating a drill of a boring apparatus |
| 07/28/2011 | CA2787534A1 Outside casing conveyed low flow impedance sensor gauge system and method |
| 07/28/2011 | CA2787301A1 Method for determining rock fluid interaction properties using nuclear magnetic resonance well logging measurements |
| 07/28/2011 | CA2787149A1 Real-time formation anisotropy and dip evaluation using tri-axial induction measurements |
| 07/28/2011 | CA2785768A1 Logging tool employing a monopole current injection electrode for microresistivity imaging |
| 07/27/2011 | EP2347287A2 Bit based formation evaluation and drill bit and drill string analysis using an acoustic sensor |
| 07/27/2011 | EP1534920B1 Bulged single-hinged scored rupture disc having a non-circular varying depth score line |
| 07/27/2011 | CN201908650U Injection well pressure anomaly remote data alarm device |
| 07/27/2011 | CN201908649U Dynamic pressure testing device of downward-hanging type composite bullet perforator unit |
| 07/27/2011 | CN201908648U Oriented coring position measuring device for medium and long tubes |
| 07/27/2011 | CN201908647U Oilfield logging device |
| 07/27/2011 | CN201908646U Downhole instrument through line routing device |
| 07/27/2011 | CN201908645U Orifice plate differential pressure natural gas gas-liquid two-phase on-line metering device |
| 07/27/2011 | CN201908644U Optimized short-array induction logger |
| 07/27/2011 | CN201908626U Gyroscope cable cleaner |
| 07/27/2011 | CN201908618U Kill manifold for oil and gas well |