| Patents for E21B 47 - Survey of boreholes or wells (31,352) |
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| 12/15/2011 | DE102010047568A1 Einrichtung zur Übertragung von Informationen über Bohrgestänge Means for transmitting information about drill pipe |
| 12/15/2011 | DE102010023630A1 Fördervorrichtung mit Pleuelstange und Verfahren zum Regeln einer Fördervorrichtung mit Pleuelstange und mindestens einem Ausgleichsgewicht Conveying apparatus with connecting rod and method for controlling a conveyor device with at least one connecting rod and balance weight |
| 12/15/2011 | CA2802320A1 Detecting and mitigating borehole diameter enlargement |
| 12/15/2011 | CA2801954A1 Wellbore screen with tracer for fluid detection |
| 12/15/2011 | CA2801952A1 Wellbore fluid treatment tubular and method |
| 12/14/2011 | EP2394022A2 Method and apparatus for collecting drill bit performance data |
| 12/14/2011 | EP2394019A2 Plug |
| 12/14/2011 | EP1896690B1 A method and apparatus for reservoir characterization using photoacoustic spectroscopy |
| 12/14/2011 | CN202073561U 油井管线压力监控报警器 Oil pipeline pressure monitoring alarm |
| 12/14/2011 | CN202073560U 柔性矿山压应力监测压力枕和监测装置 Flexible mine stress pillows and monitor pressure monitoring device |
| 12/14/2011 | CN202073559U 无声弹井口测试仪 Wellhead silent bomb tester |
| 12/14/2011 | CN202073558U 一种地下水云端监控系统 One kind of cloud groundwater monitoring system |
| 12/14/2011 | CN202073557U 一种定向井、水平井角差测量工具 As a directional wells, horizontal wells angle difference measurement tools |
| 12/14/2011 | CN202073556U 压力测试仪的保护装置 Pressure protection device tester |
| 12/14/2011 | CN202073555U 新型地质导向有线随钻测量仪 The new Geosteering wired MWD |
| 12/14/2011 | CN202073554U 矿井监测设备 Mine monitoring equipment |
| 12/14/2011 | CN202073553U 井下测井仪器快捷对接工具 Downhole logging tools quick docking tool |
| 12/14/2011 | CN202073552U 油气自动计量装置 Oil automatic metering device |
| 12/14/2011 | CN202073551U 新型带吊液压测试车 The new test vehicles with hydraulic crane |
| 12/14/2011 | CN202073550U 一种油田流量检测系统 One kind of oil flow detection system |
| 12/14/2011 | CN1912656B 非对称电磁测量 Asymmetric electromagnetic measurements |
| 12/14/2011 | CN1880721B 用于传输信号的方法和管道 Method for transmitting signals and pipe |
| 12/14/2011 | CN102280184A 一种多功能复合型测试电缆 A multifunctional complex test cable |
| 12/14/2011 | CN102278109A 井漏位置地面与井下综合检测系统及方法 Well integrated ground and underground leak location detection system and method |
| 12/14/2011 | CN102278108A 小口径定向陀螺测斜仪连续测量模式标定方法 Small caliber directional gyro inclinometer continuous measurement mode Calibration |
| 12/14/2011 | CN102278107A 连续油管测试作业平台 Coiled tubing test platforms |
| 12/14/2011 | CN102278106A 综合低压系统的增强作用 Enhance the role of integrated low voltage systems |
| 12/14/2011 | CN102278087A 用于连续油管测试的井口对接装置 Coiled tubing wellhead docking device for testing |
| 12/14/2011 | CN101509371B 石油测井马笼头 Oil well logging bridle |
| 12/14/2011 | CN101302927B 一种计量控制阀及应用该计量控制阀的油井质量在线计量装置 A measure of control valves and oil quality online application metering device which controls the metering valve |
| 12/14/2011 | CN101260802B 油、气、水三相油井连续计量装置及其测量方法 Oil, gas and water wells in a row of three-phase metering device and measurement methods |
| 12/13/2011 | US8078404 Tracing injected fluids |
| 12/13/2011 | US8077053 Method and apparatus for sensing a borehole characteristic |
| 12/13/2011 | US8076940 Method and device for determining the location of a rod fixing point |
| 12/13/2011 | US8076929 Device and method for detecting an anomaly in an assembly of a first and a second object |
| 12/13/2011 | US8074720 Riser lifecycle management system, program product, and related methods |
| 12/13/2011 | US8074714 System, method and apparatus for downhole orientation probe sensor |
| 12/13/2011 | US8074713 Casing collar locator and method for locating casing collars |
| 12/13/2011 | US8074511 Use of flexible member for borehole diameter measurement |
| 12/13/2011 | US8074509 Wellbore monitor |
| 12/13/2011 | CA2624304C Methods and systems for determining reservoir properties of subterranean formations with pre-existing fractures |
| 12/08/2011 | WO2011153190A1 Spectroscopic nanosensor logging systems and methods |
| 12/08/2011 | WO2011153098A1 Liner hanger fluid diverter tool and related methods |
| 12/08/2011 | WO2011151623A2 Downhole orientation sensing with nuclear spin gyroscope |
| 12/08/2011 | WO2011151346A1 A wellbore surveillance system |
| 12/08/2011 | WO2011150465A1 Through the drill string or core bit dst system |
| 12/08/2011 | WO2011130238A3 Method and system for a down-hole cable having a liquid bonding material |
| 12/08/2011 | WO2011119318A3 System and method for correction of borehole effects in a neutron porosity measurement |
| 12/08/2011 | US20110297395 Remote drilling and completions management |
| 12/08/2011 | US20110297372 Downhole orientation sensing with nuclear spin gyroscope |
| 12/08/2011 | US20110297371 Downhole markers |
| 12/08/2011 | US20110297370 Hydrocarbon production allocation methods and systems |
| 12/08/2011 | CA2801117A1 A wellbore surveillance system |
| 12/08/2011 | CA2799265A1 Downhole orientation sensing with nuclear spin gyroscope |
| 12/08/2011 | CA2794711A1 Spectroscopic nanosensor logging systems and methods |
| 12/07/2011 | EP2392769A2 Obtaining data from an underwater component |
| 12/07/2011 | EP2391795A1 A method for handling a component in the construction, maintenance and repair of wells |
| 12/07/2011 | CN202064945U 筒式三维储层物理模拟装置 Drum dimensional reservoir physics simulator |
| 12/07/2011 | CN202064943U 层内非均质模型水驱油效率评价系统 Heterogeneity within the model water flooding efficiency evaluation system |
| 12/07/2011 | CN202064938U 压力表安全接头 Pressure gauge safety joint |
| 12/07/2011 | CN202064937U 防冻、防盗压力数据录取装置 Antifreeze, anti-theft pressure data recording device |
| 12/07/2011 | CN202064936U 无线传输井下关井测压装置 Wireless transmission of downhole pressure measurement device shut |
| 12/07/2011 | CN202064935U 多点测温井下点火器 Multi-point ignition temperature downhole |
| 12/07/2011 | CN202064934U Mwd外角差钻具量角器 Mwd exterior angle difference drill protractor |
| 12/07/2011 | CN202064933U 油井多参数监测装置 Well multi-parameter monitoring device |
| 12/07/2011 | CN202064932U 声波变密度测井仪的下接头 Under acoustic variable density logging tool joints |
| 12/07/2011 | CN202064931U 管束式天然气流量标定装置 Tube bundle gas flow calibration device |
| 12/07/2011 | CN202064930U 石油测井车及其地面系统机柜 Oil logging truck and the ground system cabinet |
| 12/07/2011 | CN202064896U 油井管柱投球验封捕球装置 Well string pitching experience catching the ball closure device |
| 12/07/2011 | CN202064865U 连续管用井口操作窗 Continuous effective wellhead operating window |
| 12/07/2011 | CN202064833U 水平定向钻进铺管钻机用方向可控式导向钻头 Horizontal directional drilling rig pipe laying ceremony with steerable drill guide |
| 12/07/2011 | CN202064832U 超短半径径向高压水射流复式钻井、完井工具 Ultrashort radius radial pressure water jet double drilling, completion tools |
| 12/07/2011 | CN102272418A 用于估计sagd过程特性的方法 The method used to estimate the characteristics of the process sagd |
| 12/07/2011 | CN102272406A 井底通信装置及其使用方法 Downhole communication device and method of use |
| 12/07/2011 | CN102268989A 获取抽油机井动液面在线实时数据的方法以及系统 Get pumping wells fluid level real-time data online method and system |
| 12/07/2011 | CN102268988A 用压缩井内的气体测量井深的方法 A method of measuring the depth of the well with a compressed gas |
| 12/07/2011 | CN102268987A 冻结孔复测陀螺扶正器 Freeze hole retest gyro stabilizer |
| 12/07/2011 | CN102268986A 井底参数测量装置 Downhole parameter measurement device |
| 12/07/2011 | CN102268981A 小排量涡轮流量测量短节 Small displacement turbo spool flow measurement |
| 12/07/2011 | CN101819016B 一种深度测量装置 A deep measurement device |
| 12/07/2011 | CN101487473B 深井泵 Deep well pump |
| 12/07/2011 | CN101358525B 油井带杆试压作业方法 Pressure test methods work well with pole |
| 12/07/2011 | CA2741791A1 Hydrocarbon production allocation methods and systems |
| 12/06/2011 | US8073800 Valuing future information under uncertainty |
| 12/06/2011 | US8073664 Systems and methods for improved positioning of pads |
| 12/06/2011 | US8069932 Method and apparatus for determining formation pararmeters using a seismic tool array |
| 12/06/2011 | US8069931 System, method and apparatus for downhole system having integrated measurement while operating components |
| 12/06/2011 | US8069924 Well jet device and the operating method thereof |
| 12/06/2011 | US8069920 Lateral well locator and reentry apparatus and method |
| 12/06/2011 | US8069919 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations |
| 12/06/2011 | US8069913 Method and apparatus for detecting acoustic activity in a subsurface formation |
| 12/01/2011 | WO2011150251A1 Assembly and method for multi-zone fracture stimulation of a reservoir autonomous tubular units |
| 12/01/2011 | WO2011150213A2 Deployment of downhole pump using a cable |
| 12/01/2011 | WO2011149898A2 Surface detection of failed open-hole packers using tubing with external tracer coatings |
| 12/01/2011 | WO2011149742A2 Method for salt and cross-bed proximity detection using deep directional electromagnetic measurements while drilling |
| 12/01/2011 | WO2011149613A2 Detection of seismic signals using fiber optic distributed sensors |
| 12/01/2011 | WO2011148288A2 System and method for straightening tubing |
| 12/01/2011 | WO2011146990A1 Sensor device for a down hole surveying tool |
| 12/01/2011 | WO2011146989A1 Alignment system |
| 12/01/2011 | WO2011146988A1 Rotatable electrical connection |