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)
12/2014
12/25/2014US20140373619 Method and apparatus for measuring deformation of elastomeric materials
12/25/2014US20140373617 Detection of permeability anisotropy in the horizontal plane with a formation testing tool
12/25/2014US20140373616 Mechanical characterization of core samples
12/24/2014CN204042184U 一种防脱链锁紧装置 An anti-locking device from chain
12/24/2014CN204041066U 一种用于监测的连续管电缆密封转换连接器 A system for monitoring continuous tube connector converter cable gland
12/24/2014CN204041065U 一种油井防喷装置密封性的旁通试压装置 One kind of bypass oil well blowout preventer sealing pressure test device
12/24/2014CN204041064U 一种油井防喷装置密封性试压的装置 One kind of oil well blowout preventer sealing pressure test device
12/24/2014CN204041063U 温度压力测量工具 Temperature and pressure measurement tools
12/24/2014CN204041062U 一种气井气举柱塞式井下压力数据无线传输系统 One kind of gas lift wells downhole pressure plunger wireless data transmission system
12/24/2014CN204041061U 一种煤层气气井自动液面测试仪 One kind of coal-bed methane gas wells automatic level tester
12/24/2014CN204041060U 抗冲击震动型的钻井定向测量短节 Shock Shock directional drilling measure short section
12/24/2014CN204041059U 一种用于垂直钻井电子节的测斜仪标定转盘 A section for vertical drilling electronic inclinometer calibration turntable
12/24/2014CN204041058U 方位电阻率地质导向工具 Azimuth resistivity tool Geosteering
12/24/2014CN204041057U 一种回采炮孔观测装置 One kind blasthole stoping observation device
12/24/2014CN204041056U 一种矿山井下钻孔探测仪 One kind of drilling underground mine detector
12/24/2014CN204041055U 一种单井原油油气产量直接计量装置 An oil and gas production directly to a single well metering device
12/24/2014CN204041054U 声波测井平衡装置 Sonic balance device
12/24/2014CN204041053U 一种密度测井仪 With a density logging tool
12/24/2014CN204041052U 一种原油自动计量装置 One kind of crude automatic metering device
12/24/2014CN204041048U 一种油井防砂分离计量器 One kind of oil sand separator meter
12/24/2014CN204040968U 一种可回收式小通径活性错断井示踪器 Small bore a recyclable active faulting well tracer
12/24/2014CN204040955U 冲砂通井器 Drifting sand washing device
12/24/2014CN204040943U 具有测偏功能的钻杆扶正器 Has partial function test drill centralizer
12/24/2014CN104246127A 采用流入控制装置完井的油井的不稳定试井方法 Inflow control devices using the well completions transient testing method
12/24/2014CN104246126A 用于监测井下流体的系统和方法 System and method for monitoring downhole fluid
12/24/2014CN104246113A 定位系统和用于自动对准和连接部件的方法 Positioning systems and components for the automatic alignment and connection methods
12/24/2014CN104246107A 用于最佳化和监控地下钻探的方法 Optimization and monitoring of underground drilling method for
12/24/2014CN104236605A 用于降低事故发生率中的煤矿光纤光栅系统 Used to reduce the accident rate in coal fiber grating system
12/24/2014CN104234705A 用于声波测井仪器的减震降噪结构 Sonic logging tool for noise damping structure
12/24/2014CN104234704A 一种传输测井钻具防卡短节装置 A transmission logging drill a short section of the anti-card device
12/24/2014CN104234703A 一种井控压力监录装置及监录方法 A well controlled pressure and record and record device and method
12/24/2014CN104234702A 存储式测井仪器位置的获取方法和装置 Method and apparatus for obtaining type logging tool storage location
12/24/2014CN104234701A 一种井下光纤压力计及井下压力测量方法 A fiber optic pressure gauge and downhole pressure measurements downhole
12/24/2014CN104234700A 一种防水干扰的瓦斯压力测定装置 A waterproof interference gas pressure measuring device
12/24/2014CN104234699A 表达水平井筒井壁应力变化的分析方法 Mine Shaft expression levels of stress analysis methods
12/24/2014CN104234698A 一种激光式角差测量装置及测量方法 A laser angular difference measurement devices and methods of measurement
12/24/2014CN104234697A 一种钻井智能角差测量装置和角差测量方法 An intelligent angle drilling apparatus and method for measuring the difference between the measurement angle difference
12/24/2014CN104234696A Mwd系统的精确标定方法及其应用 Accurate calibration method Mwd system and its application
12/24/2014CN104234695A 一种基于神经网络的油井故障诊断方法 Well fault diagnosis method based on neural network
12/24/2014CN104234694A 一种定向折叠式通信人/手井勘察工具 Communication as a directional folding person / hand well survey tool
12/24/2014CN104234693A 一种伸缩式通信人/手井勘察工具 One kind of telescopic communications person / hand well survey tool
12/24/2014CN104234692A 深水测试地面设备模块化系统 Deepwater testing ground equipment modular system
12/24/2014CN104234691A 一种用于油田的高精度实时在线多相流量计 High-precision real-time online for oilfield MPFM
12/24/2014CN104234690A 光栅光纤腐蚀监测传感器 Optical fiber grating corrosion monitoring sensor
12/24/2014CN104234687A 一种新型连续计量分离器 A new continuous metering separator
12/24/2014CN104234686A 一种取样型计量分离器 One kind of sample type metering separator
12/24/2014CN104234665A 在水平井直井段监测水平段生产流量、含水的找水管柱及其工作方法 In the vertical section of horizontal wells to monitor the production flow horizontal section, aqueous find water column and its working methods
12/24/2014CN104234639A 一种水平井用管柱及水平井 A horizontal wells and horizontal wells with string
12/24/2014CN104234638A 套管完井多段压裂水平井机械找水管柱及其找水方法 Casing multi-stage fracturing completion of horizontal wells to find water column and mechanical methods to find water
12/24/2014CN104234630A 旋扩钻头 Rotary drill expansion
12/24/2014CN104234626A 钻井对接方法和装置 Method and apparatus for drilling docking
12/24/2014CN102748009B 一种探管的抗高温保护套筒及其制作与使用方法 One kind of probe resistance to high temperature protection sleeve and its production and use
12/24/2014CN102678091B 水合物开采实验模拟的方法及围压加载与隔热一体化系统 Hydrate production test simulation method and confining pressure and thermal loads Integrated System
12/24/2014CN102644457B 一种随钻邻井距离计算方法 One kind of drilling wells adjacent distance calculation method
12/24/2014CN102644456B 油田井口液量简易测量装置 Simple oilfield wellhead fluid volume measuring device
12/24/2014CN102606137B 三参数马笼头测井仪器 Three parameters bridle logging equipment
12/24/2014CN102410015B 一种复杂结构井渗流规律的电模拟系统及方法 An electrical simulation of complex systems and methods for structure well seepage law
12/24/2014CN102287182B 旋挖钻机的钻孔监测系统及其监测方法 Rotary drilling rig drilling monitoring systems and monitoring methods
12/23/2014US8918288 Clustering process for analyzing pressure gradient data
12/23/2014US8917575 Device for generating pressure pulses in flowing fluid and method for the same
12/23/2014US8915315 Drill pipe and corresponding drill fitting
12/23/2014US8915312 Drill motor enhancement providing improved sealing performance and longevity
12/23/2014US8915296 Apparatus and method for setting a tool in a borehole
12/23/2014US8915131 Method of determining surface level, and a soil moisture sensor
12/18/2014US20140372040 Adaptive Inversion For Vertical Resistivity Logs From Multiaxial Induction Measurements
12/18/2014US20140368350 Apparatus and methods for communicating downhole data
12/18/2014US20140368199 Downhole sensing in borehole environments
12/18/2014US20140368198 Insulation Structure For Well Logging Instrument Antennas
12/18/2014US20140368197 Apparatus and methods for making azimuthal resistivity measurements
12/18/2014US20140367277 Electrochemical sensors
12/18/2014US20140367170 Phase Estimation From Rotating Sensors To Get A Toolface
12/18/2014US20140367169 Mud Sensing Hole Finder
12/18/2014US20140367114 Latch position indicator system and method
12/18/2014US20140367094 Method and Apparatus for Testing a Tubular Annular Seal
12/18/2014US20140367092 Methods and apparatus for evaluating downhole conditions through fluid sensing
12/18/2014US20140367091 Wellbore fluids incorporating magnetic carbon nanoribbons and magnetic functionalized carbon nanoribbons and methods of using the same
12/18/2014US20140366640 Fluid Flow Measurement Sensor, Method, and Analysis
12/18/2014US20140366622 Navigation device and method for surveying and directing a borehole under drilling conditions
12/17/2014CN204030460U 一种用于lwd传输线的架线器及架线系统 A lwd transmission line stringing stringing device and system
12/17/2014CN204030459U 一种用于lwd传输线的架线器及架线系统 A lwd transmission line stringing stringing device and system
12/17/2014CN204028058U 携水剂仿真模拟实验装置用防堵装置 Carrying agent simulation experiment device attempts to prevent the device
12/17/2014CN204024646U 分流式井下射流脉冲发生器 Split downhole jet pulse generator
12/17/2014CN204024645U 高强度线路转换导流器装置 High intensity deflector assembly line converter
12/17/2014CN204024644U 地面与井下设备双向通信测斜仪 Two-way communication with the downhole equipment ground inclinometer
12/17/2014CN204024643U 试井用数据传输装置 Well test data transmission device
12/17/2014CN204024642U 随钻测量仪器电源通讯短节装置 MWD short section of the instrument power communication device
12/17/2014CN204024641U 井下数据检测和传输装置 Downhole data detection and transmission equipment
12/17/2014CN204024640U 压力表防破坏观察器 Gauges vandal viewer
12/17/2014CN204024639U 钻井机钻井杆数计数装置 Drilling rigs score counting device
12/17/2014CN204024638U 一种基于网络通信协议的井斜方位测井仪 A web-based communication protocol deviation azimuth logging tool
12/17/2014CN204024637U 一种井下感应仪器外壳保护套 A downhole sensing instrument shell protective sleeve
12/17/2014CN204024636U 一种用于随钻陀螺测斜仪探管抗振的结构 An MWD gyro inclinometer probe vibration structure for
12/17/2014CN204024635U 一种油气井水泥环密封特性模拟测试装置 One kind of oil and gas wells cement sealing characteristics simulation test device
12/17/2014CN204024634U 单向阀式传输测井辅助工具 Check valve type transmission logging aids
12/17/2014CN204024633U 适用于井工厂的综合录井仪 Well suitable for comprehensive logging facility
12/17/2014CN204024632U 一种存储式井下工具扭矩测量装置 A storage downhole tool torque measuring device
12/17/2014CN204024631U 一种全无线远程测控终端 An all-wireless remote control terminal
12/17/2014CN204024629U 一种油井油气水三相流智能分离器 One kind of oil-gas-water three-phase flow intelligent splitter
12/17/2014CN204024612U 一种多煤层合采的煤层气井筒气液两相流模拟装置 CBM Two Phase Wellbore Simulator together a multi-seam mining
12/17/2014CN204024560U 一种滑动式测斜仪测头打捞装置 A sliding inclinometer probe salvage device
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