| Patents for E21B 49 - Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells (11,875) |
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| 10/13/2011 | US20110247826 Method, device, and system for determining water or liquid in the annulus of a flexible riser or flowline |
| 10/12/2011 | EP1792053B1 A highly-parallel, implicit compositional reservoir simulator for multi-million-cell models |
| 10/12/2011 | CN202007664U Pipeline type automatic oil-water mixing device |
| 10/12/2011 | CN202007663U Cone barrel-shaped near borehole zone cutting simulation device |
| 10/11/2011 | CA2479361C Method of modelling the production of hydrocarbons by a subsurface deposit which are subject to depletion |
| 10/11/2011 | CA2404168C Method and apparatus for determining fluid viscosity |
| 10/09/2011 | CA2736096A1 Method for assaying heavy hydrocarbons in rock samples |
| 10/06/2011 | WO2011123093A1 Apparatus and methods of determining fluid viscosity |
| 10/06/2011 | WO2011121495A2 Methods and apparatus for characterization of petroleum fluids and applications thereof |
| 10/06/2011 | WO2011120086A1 A system for classification of materials using laser induced breakdown spectroscopy |
| 10/06/2011 | WO2011090868A3 Single pump focused sampling |
| 10/06/2011 | WO2011090865A3 Detecting and meausuring a coring sample |
| 10/06/2011 | CA2792934A1 A system for classification of materials using laser induced breakdown spectroscopy |
| 10/06/2011 | CA2766252A1 Apparatus and methods of determining fluid viscosity |
| 10/05/2011 | CN202001007U Electrical-control hydraulic sampling switch |
| 10/05/2011 | CN202001006U Crushing petroleum drilling sampling analyzer |
| 10/05/2011 | CN202001005U Field analyzing cabinet for petroleum gas drilling |
| 10/05/2011 | CN202001004U Test device capable of simulating law about influence of sanding on reservoir productivity |
| 10/05/2011 | CN202001003U Sand-filling tube combination device simulating two-dimensional core |
| 10/05/2011 | CN202001002U Transducer with sectors |
| 10/05/2011 | CN202000995U System for testing liquid levels of observation wells to acquire in-situ key parameters of coal bed |
| 10/05/2011 | CN202000980U Detection device capable of automatically switching oil inlets of two oil layers |
| 10/05/2011 | CN202000953U Splashing prevention cap for crude oil sampler |
| 10/05/2011 | CN1928321B Method for down-hole laminated sampling and measuring device |
| 10/05/2011 | CN102206996A Weak signal detector |
| 10/05/2011 | CN101647023B Method and apparatus for remote characterization of faults in the vicinity of boreholes |
| 10/04/2011 | CA2617376C Apparatus to recover sample gases from fluids |
| 09/29/2011 | US20110238220 Apparatus and system for well placement and reservoir characterization |
| 09/28/2011 | EP2368009A2 Method for determining formation integrity and optimum drilling parameters during drilling |
| 09/28/2011 | CN201991525U 投掷式井下取样器 Throwing downhole sampler |
| 09/28/2011 | CN102200010A Logging underground instrument backup control device |
| 09/28/2011 | CN102200008A Reservoir effectiveness identification method based on electrical imaging logging |
| 09/28/2011 | CN102108860B Visualized fracture network oil displacement model and manufacturing method thereof |
| 09/27/2011 | US8025108 Subterranean methods of processing hydrocarbon fluid-containing deposits and hydrocarbon recovery arrangements for recovering hydrocarbon-containing fluid from hydrocarbon-containing deposits |
| 09/27/2011 | US8025107 Reamer with polycrystalline diamond compact inserts |
| 09/22/2011 | WO2011097111A3 Method and apparatus for measuring the vertical separation of two stations in a borehole |
| 09/22/2011 | WO2011042448A3 Managing flow testing and the results thereof for hydrocarbon wells |
| 09/22/2011 | US20110231097 Acoustic radial profiling via frequency domain processing |
| 09/21/2011 | CN201982089U 一种双伽玛测井仪 A dual gamma logging tool |
| 09/21/2011 | CN201982088U 一种多级圆柱筒体近井地带剪切模拟装置 A multi-stage cylindrical barrel cut near wellbore simulator |
| 09/21/2011 | CN201982083U 一种随钻地层压力测量仪器 One kind of drilling formation pressure measuring instruments |
| 09/21/2011 | CN201982080U 弹片式板簧固定结构 Shrapnel-type leaf springs fixed structure |
| 09/21/2011 | CN201982043U 旋挖钻进抓取器 Rotary Drilling grabber |
| 09/20/2011 | US8024125 Methods and apparatus to monitor contamination levels in a formation fluid |
| 09/20/2011 | US8020636 Method and apparatus for introducing a geothermal probe into the earth |
| 09/20/2011 | US8020436 Permanently installed in-well fiber optic accelerometer-based sensing apparatus and associated method |
| 09/20/2011 | CA2569358C Downhole measurement of formation characteristics while drilling |
| 09/15/2011 | WO2011112185A1 Optical detection apparatus with means for selecting an optical detector and/or a detector amplifier |
| 09/15/2011 | US20110220414 Multi-coupling reduced length measure while drilling apparatus |
| 09/15/2011 | US20110220412 Formation Evaluation While Drilling |
| 09/14/2011 | EP2364394A1 Single packer structure with sensors |
| 09/14/2011 | CN201972700U 耐用取样器 Durable sampler |
| 09/14/2011 | CN201972699U 一种随钻多探测器中子测井装置 One kind of multi-detector neutron logging-while-drilling equipment |
| 09/14/2011 | CN201972698U 小口径微球形聚焦测井仪 Micro Focus small-diameter spherical Logging Tool |
| 09/14/2011 | CN201972687U 一种多功能计量装置 A multifunctional measuring device |
| 09/14/2011 | CN1721654B Downhole formation testing tool |
| 09/14/2011 | CN102187057A Isolation system for drilling systems |
| 09/14/2011 | CN102182454A Mechanism for quickly forming ice valve and improving strength of same |
| 09/14/2011 | CN102182453A Borehole wall sloughing analysis method |
| 09/14/2011 | CN102182444A Adaptive evaluation method for under-balanced drilling |
| 09/14/2011 | CN102182442A Method for preparing radioisotope tracer |
| 09/14/2011 | CN102182440A Application of direct frequency synthesis method in measurement of resistivity of electromagnetic wave |
| 09/13/2011 | US8015867 Elongated probe |
| 09/07/2011 | CN201963305U 多功能取样阀门 Multifunction sampling valve |
| 09/07/2011 | CN201963304U 二次分离式气体钻井采样分析器 Second separate gas drilling sampling analyzer |
| 09/07/2011 | CN201963303U 井下连续油管大容量稠油取样装置 Large-capacity heavy coiled tubing downhole sampling device |
| 09/07/2011 | CN201963302U 油藏测井解释中的水淹层自动识别装置 Reservoir Logging Interpretation automatic identification devices flooded layer |
| 09/07/2011 | CN201963301U 岩心夹持器出口端密封结构 Sealing the outlet end of the core holder structure |
| 09/07/2011 | CN201963300U 一种模拟二维岩芯的多级圆柱筒体填砂管装置 An analog two-dimensional multi-stage cylindrical core barrel filling sand tube device |
| 09/07/2011 | CN201963295U 一种随钻地层压力地面模拟测量装置 One kind of formation pressure while drilling terrestrial analog measuring device |
| 09/07/2011 | CN201963291U 一种存储式声幅变密度及温度压力组合测试仪 A storage-type acoustic amplitude varying density and temperature and pressure combination tester |
| 09/07/2011 | CN201963290U 测井绞车的遥控控制系统 Remote control system logging winch |
| 09/07/2011 | CN201963281U 一种模拟二维岩芯的圆台筒体填砂管装置 An analog-dimensional core of round table cylinder filling sand tube device |
| 09/07/2011 | CN201963266U 一种井下双管工艺管柱 A downhole twin-tube technology column |
| 09/07/2011 | CN201963255U 永磁防盗掺水井口组合装置 Anti-theft device neat combination of permanent magnet wellhead |
| 09/07/2011 | CN201963254U 原油管线免放空取样阀 Vent-free sampling valve crude oil pipeline |
| 09/07/2011 | CN201963252U 采油井口防盗解堵取样阀 Wellhead theft plugging sampling valve |
| 09/07/2011 | CN201959596U 脱气器及其罐本体及其搅拌体 Degasser and tank body and agitator |
| 09/07/2011 | CN201959595U 脱气装置 Degasser |
| 09/07/2011 | CN102174888A Method for processing formation data based on lithologic parameter of reservoir rock |
| 09/06/2011 | US8011454 Apparatus and methods for continuous tomography of cores |
| 09/06/2011 | US8011430 Method to measure injector inflow profiles |
| 09/06/2011 | US8011238 Method for correcting the measured concentrations of gas components in drilling mud |
| 09/01/2011 | US20110209918 Increased energy impact tool |
| 09/01/2011 | US20110209868 Fracturing a stress-altered subterranean formation |
| 08/31/2011 | EP2361395A2 Apparatus and methods for gas volume retained coring |
| 08/31/2011 | EP1163540B1 Borehole resistivity measurements with receiver arrays |
| 08/31/2011 | CN201953378U 一种八扇区换能器 An eight sector transducer |
| 08/31/2011 | CN201953349U 井口防冻防盗取样装置 Wellhead antifreeze theft sampling device |
| 08/31/2011 | CN201953321U Connecting pipe connector applied under mine |
| 08/31/2011 | CN102168554A Through casing resistivity pushing electrode system of independent supporting arm |
| 08/31/2011 | CN102168553A High-speed measurement-while-drilling communication system |
| 08/30/2011 | CA2621438C Method of drilling a bore hole |
| 08/25/2011 | WO2011103525A2 Systems and methods of a collar bore for a sample bottle assembly |
| 08/25/2011 | WO2011102840A1 Systems and methods of a sample bottle assembly |
| 08/25/2011 | WO2011102839A1 Systems and methods of a clamp for a sample bottle assembly |
| 08/25/2011 | WO2011044211A3 Method and apparatus for drilling a probabilistic approach |
| 08/25/2011 | US20110203847 Downhole Hydraulic Jetting Assembly, and Method for Stimulating a Production Wellbore |
| 08/24/2011 | CN201943694U 滑套式取样装置 Slip-sampling device |
| 08/24/2011 | CN201943693U 内置式防冻防盗取样装置 Built-in antifreeze theft sampling device |