| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
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| 06/26/2014 | WO2014099053A1 Remote sensing methods and systems using nonlinear light conversion and sense signal transformation |
| 06/26/2014 | WO2014098941A1 System and method for determining mechanical properties of a formation |
| 06/26/2014 | WO2014098919A1 Deep formation evaluation systems and methods |
| 06/26/2014 | WO2014098891A1 Systems and methods for performing ranging measurements using third well referencing |
| 06/26/2014 | WO2014098873A1 Polished rod-mounted pump control apparatus |
| 06/26/2014 | WO2014097232A1 Acoustic isolators |
| 06/26/2014 | WO2014096762A1 Method and apparatus for measuring flow in subsea installations |
| 06/26/2014 | WO2014096667A1 Pipe element fitted with a monitoring system |
| 06/26/2014 | WO2014096459A1 Tracers |
| 06/26/2014 | WO2014094179A1 Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating same |
| 06/26/2014 | WO2014094163A1 Downhole probes and systems |
| 06/26/2014 | WO2014094160A1 Mud pulse telemetry apparatus with a pressure transducer and method of operating same |
| 06/26/2014 | WO2014094153A1 Apparatus for angular alignment of downhole sensors with high side in directional drilling |
| 06/26/2014 | WO2014094150A1 Downhole telemetry signal modulation using pressure pulses of multiple pulse heights |
| 06/26/2014 | WO2013142484A3 Apparatus and method for remotely determining the structural intergrity of a well or similar structure |
| 06/26/2014 | US20140180592 Downhole Fluid Tracking With Distributed Acoustic Sensing |
| 06/26/2014 | US20140177392 Acoustic Reception |
| 06/26/2014 | US20140177389 Use of Lamb and SH Attenuations to Estimate Cement Vp and Vs in Cased Borehole |
| 06/26/2014 | US20140177388 System and method for acoustic imaging using a transducer array |
| 06/26/2014 | US20140176697 Method and apparatus for data telemetry |
| 06/26/2014 | US20140174826 Method and Device for Determining a Drill Bit's Position in a Borehole |
| 06/26/2014 | US20140174825 Drill string adapter and method for inground signal coupling |
| 06/26/2014 | US20140174752 System and method for monitoring tubular components of a subsea structure |
| 06/26/2014 | US20140174732 Methods and apparatus for evaluating downhole conditions through rfid sensing |
| 06/26/2014 | US20140174730 Method of tracing flow of hydrocarbon from a subterranean reservoir |
| 06/26/2014 | US20140174729 Method for determining parameters of a bottomhole and a near-bottomhole zone of a wellbore |
| 06/26/2014 | US20140174727 Wireline apparatus |
| 06/26/2014 | US20140174725 Downhole Cable Sensor |
| 06/26/2014 | US20140174714 Completion system having a sand control assembly, an inductive coupler, and a sensor proximate to the sand control assembly |
| 06/26/2014 | US20140174168 Method for assessing ablation modulai of mudcakes to predict ease of mudcake removal or cleaning efficiency of cleaning/washing/spacer fluids |
| 06/26/2014 | DE10255757B4 Vorrichtung zum Überprüfen eines Werkzeugs Apparatus for inspecting a tool |
| 06/25/2014 | EP2746529A2 System and method for positioning equipment for well logging |
| 06/25/2014 | EP2746527A2 Drilling tool and method for widening and simultaneously monitoring the diameter of wells and fluid properties |
| 06/25/2014 | EP2744980A1 Estimating Fluid Levels in a Progressing Cavity Pump System |
| 06/25/2014 | EP2744979A2 Improved casing detection tools and methods |
| 06/25/2014 | CN203672548U 一种固定压力盒的可移动装置 A fixed-pressure cartridge movable device |
| 06/25/2014 | CN203669861U 钻孔成像装置 Borehole imaging device |
| 06/25/2014 | CN203669857U 一种基于微震监测的钻头轨迹显示装置 A drill trajectory based microseismic monitoring display devices |
| 06/25/2014 | CN203669856U 一种多温度探头长效试井仪 A multi-temperature probe long-term well test instrument |
| 06/25/2014 | CN203669855U 油井动液面深度检测接头 The depth of the well fluid level detection joints |
| 06/25/2014 | CN203669854U 一种用于油井动液面深度检测的信号处理电路 The signal processing circuit for detecting the depth of the well fluid level |
| 06/25/2014 | CN203669853U 一种新型电子遥控自动锁 A new electronic remote control automatically locks |
| 06/25/2014 | CN203669852U 一种测试用抽油杆柱状模型 A method of testing with a sucker rod columnar model |
| 06/25/2014 | CN203669851U 一种地下矿山测量深部溜井矿位装置 An underground mine surveying deep ore chute positioning device |
| 06/25/2014 | CN203669850U 一种直读式注水流量测调仪 A direct-reading instrument adjusting water flow measurement |
| 06/25/2014 | CN103890316A 用于评估被动压力隔离罩的系统与方法 Assess passive pressure caging systems and methods for |
| 06/25/2014 | CN103890311A 防碎屑的内部管柱测试系统 Anti-debris inside the column test system |
| 06/25/2014 | CN103883320A 随钻时间推移测井方法 Time logging-while-drilling method |
| 06/25/2014 | CN103883318A 一种中低矿化度地层水储层的参数反演方法及装置 An inversion method and device parameters in low salinity formation water reservoir |
| 06/25/2014 | CN103883316A 智能化采油控制测量系统 Oil intelligent control measurement system |
| 06/25/2014 | CN103883315A 一种井下与地面信息传输网络系统及方法 A downhole and ground information transmission network system and method |
| 06/25/2014 | CN103883314A 用于确定钻孔卡管中诱导应力位置的增强装置 Stress-induced enhancement device for determining the position of the drill pipe in the card |
| 06/25/2014 | CN103883313A 钻井机钻井杆数计数装置及方法 Drilling rigs score counting device and method |
| 06/25/2014 | CN103883312A 一种导向钻井入靶形势预测的通用方法 A common method of drilling into the target situation prediction guide |
| 06/25/2014 | CN103883311A 一种复合导向钻井入靶形势预测方法 A composite steerable drilling into the target situation prediction method |
| 06/25/2014 | CN103883310A 一种模拟钻进系统实验台 An analog drilling system Bench |
| 06/25/2014 | CN103883309A 橇装双体式油井自动计量器 Skid-mounted automatic meter catamaran wells |
| 06/25/2014 | CN103883308A 一种测井井控电缆防掉装置 Logging and well control cable anti-out device |
| 06/25/2014 | CN103883301A 一种煤层气井水力压裂物理模拟方法 One kind of coal-bed methane wells fracturing physical simulation method |
| 06/25/2014 | CN103883267A 一种钻杆用扶正器的布置方法及装置 One kind of drill with a centralizer placement method and apparatus |
| 06/25/2014 | CN103883255A 一种基于连续导向钻井的水平井着陆轨迹控制方法 Landing a horizontal well trajectory control based on continuous steering drilling method |
| 06/25/2014 | CN103883253A 一种基于复合导向钻井的水平井着陆控制方法 Based on a composite steerable drilling horizontal wells landing control method |
| 06/25/2014 | CN103883252A 一种基于滑动导向钻井的水平井着陆控制方法 Based on the sliding guide drilling horizontal wells landing control method |
| 06/25/2014 | CN103883251A 一种基于旋转导向钻井的水平井方向优先着陆控制方法 Based on the direction of rotary steerable drilling horizontal wells priority landing control method |
| 06/25/2014 | CN103883250A 一种基于滑动导向钻井的水平井方向优先着陆控制方法 Based on the direction of the sliding guide drilling horizontal wells priority landing control method |
| 06/25/2014 | CN103244108B 井喷无法关井情况下的地层压力确定方法 Unable blowout formation pressure shut-case determination method |
| 06/25/2014 | CN101571040B 电磁测井设备和方法 An electromagnetic logging apparatus and method |
| 06/24/2014 | US8761912 System for remotely monitoring a tensioner and providing an alarm for anticipated failure and maintenance |
| 06/24/2014 | US8761911 System for remotely monitoring a site for anticipated failure and maintenance with a plurality of controls |
| 06/24/2014 | US8761910 Method for remotely monitoring a site for anticipated failure and maintenance with a plurality of controls |
| 06/24/2014 | US8760657 In-situ detection and analysis of methane in coal bed methane formations with spectrometers |
| 06/24/2014 | US8757291 At-bit evaluation of formation parameters and drilling parameters |
| 06/24/2014 | US8757254 Adjustment of mud circulation when evaluating a formation |
| 06/21/2014 | CA2836703A1 Enhanced device for determining the location of induced stress in stuck borehole tubulars |
| 06/19/2014 | WO2014093735A1 Mud pulse telemetry devices, systems, and methods |
| 06/19/2014 | WO2014093649A1 All purpose pumpdown instrument |
| 06/19/2014 | WO2014093432A1 Systems and methods for real-time sag detection |
| 06/19/2014 | WO2014093168A1 Drilling data visualization method |
| 06/19/2014 | WO2014093103A1 Modular resistivity logging tool systems and methods |
| 06/19/2014 | WO2014093096A1 Apparatus and methods for well-bore proximity measurement while drilling |
| 06/19/2014 | WO2014093006A1 Acoustically-responsive optical data acquisition system for sensor data |
| 06/19/2014 | WO2014092938A1 Weighting function for inclination and azimuth computation |
| 06/19/2014 | WO2014092902A1 Acoustic sensing system for determining an interface between two materials |
| 06/19/2014 | WO2014092897A1 Apparatus and method for determining orientation of a device and mill position in a wellbore utilizing identification tags |
| 06/19/2014 | WO2014092885A1 Method and system of analyzing wells of a mature field |
| 06/19/2014 | WO2014092853A1 Thermoelastic logging |
| 06/19/2014 | WO2014092726A1 Subsea dummy run elimination assembly and related method utilizing a logging assembly |
| 06/19/2014 | WO2014092713A2 System, method and computer program product for evaluating and ranking geobodies using a euler characteristic |
| 06/19/2014 | WO2014092679A1 Formation thermal measurement apparatus, methods, and systems |
| 06/19/2014 | WO2014092526A1 Method and system for controlling water in oil wells with horizontal open-hole completion |
| 06/19/2014 | WO2014091462A1 Optimal trajectory control for directional drilling |
| 06/19/2014 | WO2014091144A2 Fluorescent tracers for marking oilfield injection waters |
| 06/19/2014 | WO2014090823A1 New tracers for the study of an oil reservoir in high salinity and high temperature conditions |
| 06/19/2014 | US20140166871 Systems and Methods for Measuring Fluid Additive Concentrations for Real Time Drilling Fluid Management |
| 06/19/2014 | US20140166277 Electronically set and retrievable isolation devices for wellbores and methods thereof |
| 06/19/2014 | US20140166276 Method and System for Treating A Subterranean Formation |
| 06/19/2014 | US20140166275 System and method for determining mechanical properties of a formation |
| 06/19/2014 | US20140166274 System and method for production reservoir and well management using continuous chemical measurement |
| 06/19/2014 | US20140166270 System and method for positioning equipment for well logging |
| 06/19/2014 | US20140166268 Discharge Pressure Monitoring System |