Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 47 - Survey of boreholes or wells
Patents for E21B 47 - Survey of boreholes or wells (31,352)
06/2014
06/11/2014CN203640717U 带减震器钻柱的纵向振动检测装置 Longitudinal vibration detection device with a shock absorber drillstring
06/11/2014CN203640716U 一种撬装式在线油气分离计量装置 An oil separator mounted metering device to pry online
06/11/2014CN203640715U 用于瞬变电磁测井的功率可调发射装置 Power adjustable for transient electromagnetic logging emitting device
06/11/2014CN203640714U 一种热示踪喷射器 A heat tracer injector
06/11/2014CN203640702U 注水井物联网数控增压装置 Things booster injection wells NC device
06/11/2014CN203640687U 安全循环阀 Security circulation valve
06/11/2014CN203640658U 一种用于海上井口装置的压裂井口保护器远程测控装置 Fracturing wellhead protection device for remote monitoring and control device for offshore wellhead
06/11/2014CN103850680A Gas holdup optical sensor integrated optical well logging system
06/11/2014CN103850677A Signal relay station
06/11/2014CN103850676A Novel casing coupling positioner for coiled tubing
06/11/2014CN103850675A Digital acquisition processing system of dual-induction logging instrument
06/11/2014CN103850674A Oil recovery wellhead digitalized data collection device
06/11/2014CN103850673A Single-well metering device
06/11/2014CN102881280B Passive suppressing method for downhole noise and echo for sound transmission technology of drill string
06/11/2014CN102733799B Well drilling information acoustic wave transmission relay device based on drilling string information channel
06/11/2014CN102587898B Method and device for detecting gas content of mixed fluid under while drilling condition
06/11/2014CN102216563B Method for correcting the measured concentrations of gas components in drilling mud
06/11/2014CN102089496B Location of bypassed hydrocarbons
06/10/2014US8751208 Method for producing hydrocarbons through a well or well cluster of which the trajectory is optimized by a trajectory optimisation algorithm
06/10/2014US8750075 Acoustic transceiver with adjacent mass guided by membranes
06/10/2014US8749399 System and method for downhole telemetry
06/10/2014US8746369 Umbilical technique for robotic mineral mole
06/10/2014CA2576003C Acoustic telemetry transceiver
06/10/2014CA2569090C System for delivery of a tracer in fluid transport systems and use thereof
06/05/2014WO2014085628A2 Blowout preventer monitoring system and method of using same
06/05/2014WO2014085012A1 Distributed downhole acousting sensing
06/05/2014WO2014084993A1 Monitoring system for borehole operations
06/05/2014WO2014084868A1 Protection of electronic devices used with perforating guns
06/05/2014WO2014084867A1 Protection of electronic devices used with perforating guns
06/05/2014WO2014084866A1 Protection of electronic devices used with perforating guns
06/05/2014WO2014084834A1 System and method for monitoring water contamination when performing subterranean operations
06/05/2014WO2014084833A1 Combination power source for a magnetic ranging system
06/05/2014WO2014084752A1 A method for processing acoustic waveforms
06/05/2014WO2014084751A1 A method for processing acoustic waveforms
06/05/2014WO2014082162A1 Method for increasing product recovery in fractures proximate fracture treated wellbores
06/05/2014WO2013112273A3 Downhole robots and methods of using same
06/05/2014US20140156217 Systems and methods for determining position of marker depth coordinates for construction of geological model of deposit
06/05/2014US20140156192 Systems and methods for determining position of marker depth coordinates for construction of geological model of deposit
06/05/2014US20140153369 Downhole low rate linear repeater relay network timing system and method
06/05/2014US20140153368 Communication in pipes using acoustic modems that provide minimal obstruction to fluid flow
06/05/2014US20140152458 Inductive connection
06/05/2014US20140152311 Flux Plane Locating in an Underground Drilling System
06/05/2014US20140152298 Positioning method
06/05/2014US20140151122 Mitigation of rotational vibration using a torsional tuned mass damper
06/05/2014US20140151037 Extendable orienting tool for use in wells
06/05/2014US20140151036 Distributed Clamps For A Downhole Seismic Source
06/05/2014US20140151034 Watercut sensor using reactive media
06/05/2014US20140151032 Methods and Apparatus for Determining Downhole Fluid Parameters
06/05/2014US20140151031 Reducing Rotational Vibration in Rotational Measurements
06/05/2014US20140151030 Method of Inserting a Fiber Optic Cable into Coiled Tubing
06/05/2014US20140151018 Tractor Communication/Control and Select Fire Perforating Switch Simulations
06/05/2014US20140150547 Sonde with integral pressure sensor and method
06/05/2014US20140150544 Axially-supported downhole probes
06/05/2014US20140150523 Calibration of a well acoustic sensing system
06/04/2014EP2737174A1 A telemetry system, a pipe and a method of transmitting information
06/04/2014EP2737173A2 A method of conditioning a wall of a bore section
06/04/2014EP2737172A1 System and method for downhole electrical transmission
06/04/2014EP2737171A2 Methods and apparatus having borehole seismic waveform compression
06/04/2014EP2737170A1 Method and system of correlating a measured log to a predicted log
06/04/2014EP2737169A1 Minimum strain energy waypoint-following controller for directional drilling using optimized geometric hermite curves
06/04/2014EP2737164A1 Downhole line tool assembly and method for use thereof
06/04/2014CN203632686U 一种用于油井测试系统的半双工通信电路 Duplex communication circuit for well test systems
06/04/2014CN203632186U 一种测井电缆旁路短接用的装置 Logging and cable bypass shorting device used
06/04/2014CN203626828U 一种小角度mwd钻井液式正脉冲发生器转子 Mwd drilling a small-angle type positive pulse generator rotor
06/04/2014CN203626827U 一种小角度mwd钻井液式正脉冲发生器650型定子 Mwd drilling a small-angle type 650 positive pulse generator stator
06/04/2014CN203626826U 一种mwd钻井液式正脉冲发生器350型加长定子 One kind mwd drilling fluid type positive pulse generator stator 350 extended
06/04/2014CN203626825U 一种mwd钻井液式正脉冲发生器定子支撑件 One kind of drilling fluid type mwd positive pulse generator stator support
06/04/2014CN203626824U 一种井下泥浆脉冲信号的产生装置 A downhole mud-pulse generating means signals
06/04/2014CN203626823U 声波数字接收装置 Digital acoustic wave receiving device
06/04/2014CN203626822U 电磁波传输随钻测量电缆头 MWD electromagnetic transmission cable head
06/04/2014CN203626821U 一种随钻多功能验管器 One kind of test tube drilling multifunction device
06/04/2014CN203626820U 一种气举助流水平井找水管柱 One kind of gas lift to help find water flowing Hirai column
06/04/2014CN203626819U 双井径仪井径臂推收装置 Dual Caliper caliper arm push receiving device
06/04/2014CN203626818U 压力传感器参数校正仪 Pressure sensor parameters Calibrator
06/04/2014CN203626817U 智能开关分压分测装置 Smart Switch partial pressure measuring device points
06/04/2014CN203626816U 轮式钻孔深度测量仪 Wheel drilling depth gauge
06/04/2014CN203626815U 自适应马丁代克 Adaptive Martin Dyck
06/04/2014CN203626814U 测井深度和/或张力处理装置 Logging depth and / or tension processing device
06/04/2014CN203626813U 一种矿用随钻轨迹测量探管 One kind of mine drilling trajectory measurement probe
06/04/2014CN203626812U 一种油水井测试防喷支架 An oil wells to test the blowout preventer bracket
06/04/2014CN203626811U 用于水下油管悬挂器液压贯穿加压测试的装置 Apparatus for underwater tubing hanger through the pressurized hydraulic test
06/04/2014CN203626810U 汽液混合物计量装置 Vapor-liquid mixture metering device
06/04/2014CN203626809U 一种测井仪器转换接头 Logging and instrument adapter
06/04/2014CN203626808U 测井仪多芯接头对接定位结构 Multi-pin connector docking logging tool positioning structure
06/04/2014CN203626807U 饱和蒸汽干度标定装置 Saturated steam dryness calibration device
06/04/2014CN203626806U 一种气井井口简易计量装置 A simple wellhead gas metering device
06/04/2014CN203626805U 一种油井产液量计量装置 One kind of oil well production fluid metering device
06/04/2014CN203626804U 一种随钻震动测量装置 One kind of drilling vibration measuring devices
06/04/2014CN203626780U 一种可用于测试气井的多功能泡排棒投放装置 Multifunction row bubble wand which can be used to test gas delivery device
06/04/2014CN203626693U 防冻式水井测试防喷堵头 BOP test wells antifreeze type plug
06/04/2014CN203626664U 定向遥测随钻测井仪提拉装置 Directional telemetry LWD pulling apparatus
06/04/2014CN203626637U 一种无线随钻测量仪四翼无磁扶正器 A wireless MWD four-wing non-magnetic centralizer
06/04/2014CN203624916U 测井滑轮 Logging pulley
06/04/2014CN103842613A Apparatus and method for determining the direction east
06/04/2014CN103835705A Underground measurement information transmission system
06/04/2014CN103835704A Test system for measuring gas and water distribution in coal-bed gas well shaft
06/04/2014CN103835703A Method for simulating signal of alternating magnetic field of magnetism guiding well drilling
06/04/2014CN103835702A Well startup and stop monitoring device by utilizing oil well indicator diagram
06/04/2014CN103835701A Oil well automatic alarm management system
06/04/2014CN103835700A Oil well measuring and monitoring device
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