| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
|---|
| 10/12/2010 | US7810585 Bi-directional rotary steerable system actuator assembly and method |
| 10/12/2010 | US7810564 Memory logging system for determining the condition of a sliding sleeve |
| 10/12/2010 | CA2506808C Communication system for down hole use |
| 10/09/2010 | CA2699023A1 System, method and apparatus for downhole string having integrated measurement while operating components |
| 10/07/2010 | WO2010115012A2 System and method for monitoring subsea wells |
| 10/07/2010 | WO2010114916A1 Wireless monitoring of pump jack sucker rod loading and position |
| 10/07/2010 | WO2010114872A1 Two coil guidance system for tracking boreholes |
| 10/07/2010 | WO2010114784A2 Methods for determining mechanical specific energy for wellbore operations |
| 10/07/2010 | WO2010112042A1 Apparatus and method for evaluating a wellbore, in particular a casing thereof |
| 10/07/2010 | WO2010093626A3 Apparatus and process for wellbore characterization |
| 10/07/2010 | WO2010088679A3 Bottom hole assembly for wellbore operations comprising a mechanical depth determination device |
| 10/07/2010 | WO2010080355A3 Improved caliper logging using circumferentially spaced and/or angled transducer elements |
| 10/07/2010 | WO2010076281A3 Method for monitoring deformation of well equipment |
| 10/07/2010 | WO2010068852A3 Closed-loop physical caliper measurements and directional drilling method |
| 10/07/2010 | WO2009062716A3 Measurements while drilling or coring using a wireline drilling machine |
| 10/07/2010 | US20100256915 Method for Estimation of Bulk Shale Volume in a Real-Time Logging-While-Drilling Environment |
| 10/07/2010 | US20100256914 Method and apparatus for off-rig processing rig sensor data |
| 10/07/2010 | US20100256913 Two coil guidance system for tracking boreholes |
| 10/07/2010 | US20100255587 Apparatus and method for measuring concentrations of scale-forming ions |
| 10/07/2010 | US20100252325 Methods for determining mechanical specific energy for wellbore operations |
| 10/07/2010 | US20100252269 System and method for monitoring subsea wells |
| 10/07/2010 | US20100252257 Multi-Window Lateral Well Locator/Reentry Apparatus and Method |
| 10/07/2010 | US20100252256 Method of isolating a downhole zone for the gathering of data |
| 10/07/2010 | CA2765719A1 Two coil guidance system for tracking boreholes |
| 10/07/2010 | CA2757374A1 A rig for wellbore operations |
| 10/07/2010 | CA2756986A1 Apparatus and method for evaluating a wellbore, in particular a casing thereof |
| 10/06/2010 | EP2236744A2 Digital signal processing recievers, systems and methods for identifying decoded signals |
| 10/06/2010 | EP2235324A2 Downhole sensing system using carbon nanotube fet |
| 10/06/2010 | CN201599025U 油井井下无线遥测系统的井口接收设备 Wellhead oil underground wireless telemetry systems receiving equipment |
| 10/06/2010 | CN201599024U 浮子水位计 Float level gauge |
| 10/06/2010 | CN201599023U 一种用于气体钻井中途测试的地面测试装置 A gas drilling middle ground testing apparatus for testing |
| 10/06/2010 | CN201599022U 水泥固井综合测定仪 Cementing integrated tester |
| 10/06/2010 | CN201599021U 同位素示踪剂井口插入式注入装置 Isotopic tracer injection device plug-in wellhead |
| 10/06/2010 | CN201599020U 油田施工现场无线数据采集系统 Oilfield construction site wireless data acquisition system |
| 10/06/2010 | CN1965249B Surface real-time processing of downhole data |
| 10/06/2010 | CN1575374B Seismic monitoring of in situ conversion in a hydrocarbon containing formation |
| 10/06/2010 | CN101853309A Log data format automatic identification and conversion method based on database |
| 10/06/2010 | CN101852088A Method for controlling dismantling device |
| 10/06/2010 | CN101852079A Heterogeneous reservoir simulation box |
| 10/06/2010 | CN101852078A Electromagnetic distance measurement guide system for double solenoid set during drilling |
| 10/06/2010 | CN101852077A Overflow detection method based on shaft liquid level measurement |
| 10/06/2010 | CN101852076A Underground working condition simulation method for controlled pressure drilling experiment and test |
| 10/05/2010 | US7808859 Oscillating shear valve for mud pulse telemetry |
| 10/05/2010 | US7806191 Communication connections for wired drill pipe joints for providing multiple communication paths |
| 10/05/2010 | US7806180 Signalling systems and methods for communicating with a downhole location in a well installation |
| 10/05/2010 | US7806174 Well jet device |
| 10/05/2010 | CA2504721C Method and apparatus to facilitate wet or dry control line connection for the downhole environment |
| 10/05/2010 | CA2321984C Retrievable resistivity tool for measurement while drilling |
| 10/01/2010 | CA2698042A1 Method of isolating a downhole zone for the gathering of data |
| 09/30/2010 | WO2010111630A2 Continuous geomechanically stable wellbore trajectories |
| 09/30/2010 | WO2010111352A2 Non-planar antennae for directional resistivity logging |
| 09/30/2010 | WO2010109340A2 Method, apparatus and system for a supervisory system for carbon sequestration |
| 09/30/2010 | WO2010108666A2 Method for localizing a boring device of an earth boring apparatus |
| 09/30/2010 | WO2010108240A1 Device including an apparatus for measuring drilling or coring operation parameters, and equipment including such a device |
| 09/30/2010 | WO2010088119A3 Reducing error contributions to gyroscopic measurements from a wellbore survey system |
| 09/30/2010 | WO2010075264A3 Apparatus and methods for gas volume retained coring |
| 09/30/2010 | WO2010044027A3 Downhole application for a backpressure valve |
| 09/30/2010 | US20100250139 Mobile wellsite monitoring |
| 09/30/2010 | US20100246333 Permanent seismic source |
| 09/30/2010 | US20100245096 Optical data transformation |
| 09/30/2010 | US20100243480 Measurement of hydrogen sulphide and thiols in fluids |
| 09/30/2010 | US20100243326 Common Interface Architecture for Horizontal Directional Drilling Machines and Walk-Over Guidance Systems |
| 09/30/2010 | US20100243325 System and method for communicating about a wellsite |
| 09/30/2010 | US20100243324 System and method for communicating about a wellsite |
| 09/30/2010 | US20100243256 Bore-hole jet device for formation hydraulic fracturing and horizontal well examination and a method for the operation thereof |
| 09/30/2010 | US20100243244 Location-and-rotation feedback tool for subsea wellheads and method of operating same |
| 09/30/2010 | US20100243243 Active In-Situ Controlled Permanent Downhole Device |
| 09/30/2010 | US20100243242 Method for completing tight oil and gas reservoirs |
| 09/30/2010 | US20100243241 Detecting Fluids In a Wellbore |
| 09/30/2010 | US20100242586 In-situ fluid compatibility testing using a wireline formation tester |
| 09/30/2010 | US20100242585 Nano-robots system and methods for well logging and borehole measurements |
| 09/30/2010 | DE102009014887A1 Verfahren zum Lokalisieren eines Bohrgeräts einer Erdbohrvorrichtung A method for locating a drill an earth boring apparatus |
| 09/30/2010 | CA2756163A1 Non-planar antennae for directional resistivity logging |
| 09/30/2010 | CA2756062A1 Apparatus and method for removing anisotropy effect from directional resistivity measurements |
| 09/29/2010 | EP2232256A2 Methods of cleaning wellbores and analyzing wellbore fluids |
| 09/29/2010 | EP2232013A1 Compositions and methods for monitoring flow through fluid conducting and containment systems |
| 09/29/2010 | EP2232012A2 System and method for modeling wellbore trajectories |
| 09/29/2010 | EP2232011A1 Telescopic joint mini control panel |
| 09/29/2010 | CN201593419U Lead wire retrievable deep well unpowered data transmitting device |
| 09/29/2010 | CN201593418U Anti-butting seal-examining device of pipe column |
| 09/29/2010 | CN201593417U Drilling liquid measuring tank |
| 09/29/2010 | CN201593416U Pump-followed pressure and temperature test device |
| 09/29/2010 | CN201593415U Climbing-free blowout preventer for high pressure test of well |
| 09/29/2010 | CN201593414U Pressure gauge overload protector |
| 09/29/2010 | CN201593413U Sampling metering device of saturated liquid dissolved gas |
| 09/29/2010 | CN201593412U 简易电路转换器 Simple Circuit Converter |
| 09/29/2010 | CN201593411U Cymoscope fixing seat of borehole vibration detection device |
| 09/29/2010 | CN201593410U Self-compensating well vibration detecting device |
| 09/29/2010 | CN201593387U Drilling annulus pressure precise control system |
| 09/29/2010 | CN1609410B Downhole telemetering system and method, and cable communication line |
| 09/29/2010 | CN101846537A Small liquid volume gas-liquid two-phase flowmeter |
| 09/29/2010 | CN101845950A Continuous oil pipe operation pit bottom wireless data transmission system |
| 09/29/2010 | CN101845949A Indoor simulation device for testing injection/pressure fall of coal bed methane |
| 09/29/2010 | CN101845948A Radiation detector |
| 09/29/2010 | CN101845947A High-temperature high-pressure perforation-flow efficiency detecting system |
| 09/29/2010 | CN101845943A Universal packer for through cable |
| 09/29/2010 | CN101845942A Plug type circuit sealing device |
| 09/28/2010 | US7805247 System and methods for well data compression |
| 09/28/2010 | US7804060 Method and apparatus for fluid influx detection while drilling |
| 09/28/2010 | US7802634 Integrated quill position and toolface orientation display |