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 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
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)
06/2014
06/18/2014CN103867198A Method for distinguishing formation density of carbonatite natural gas reservoir
06/18/2014CN103867197A Complex lithology natural gas reservoir interval transit time discriminating method
06/18/2014CN103867196A Method for recognizing petrographic rhythm change in siltstone and mudstone alternate stratum through imaging logging image
06/18/2014CN103867195A Quantitative evaluation method of water production rate of low permeability reservoir
06/18/2014CN103867194A Well logging characterization method, well drilling layer section selecting method and well drilling layer section selecting device of a sand body structure
06/18/2014CN103867193A Device for simulating and evaluating reservoir damage caused by well fluid
06/18/2014CN101999027B Sonic drill bit for core sampling
06/18/2014CN101408101B Wellbore telemetry system and method
06/17/2014US8756016 Method and system to estimate fracture aperture in horizontal wells
06/17/2014US8752652 Coring apparatus and methods to use the same
06/17/2014US8752620 Systems and methods for single-phase fluid sampling
06/12/2014WO2014088743A1 Scattering detection from downhole optical spectra
06/12/2014WO2014087061A1 Pressurised fluid sampler for monitoring geological storage of gas
06/12/2014WO2014086233A1 Pup joint for releasing sidewall contact of stratigraphic test device and apparatus
06/12/2014US20140158434 Sediment Coring Apparatus for Preventing Loss and Disturbance of Sample in Core
06/12/2014US20140157883 Dual flowline testing tool with pressure self-equalizer
06/12/2014US20140157877 Downhole Determination Of Asphaltene Content
06/11/2014EP2739823A2 Systems and program product for performing a fully automated workflow for well performance model creation and calibration
06/11/2014EP2739814A1 Methods for monitoring fluids within or produced from a subterranean formation using opticoanalytical devices
06/11/2014CN203640729U 一种瞬变电磁测井探头检测系统 One kind of transient electromagnetic logging probe detection system
06/11/2014CN203640728U 水液压模块化电缆地层测试器 Water hydraulic modular wireline formation tester
06/11/2014CN203640727U 一种瞬变电磁测井仪器 One kind of transient electromagnetic logging equipment
06/11/2014CN203640726U 一种瞬变电磁发射探头 One kind of transient electromagnetic launch probe
06/11/2014CN203640718U 孔中雷达无水护壁装置 Aperture radar device anhydrous Wall
06/11/2014CN203640705U 用于三维胶结模型沥青颗粒调剖效果预测的装置 Three-dimensional model of the asphalt cement particle profile means for predicting the effect of
06/11/2014CN103850680A Gas holdup optical sensor integrated optical well logging system
06/11/2014CN103850679A Method for reconstructing interval transit time curve by virtue of multiple logging curves
06/11/2014CN103850678A Hydraulic fracturing ground stress testing system for panoramic drill hole inspection instrument
06/11/2014CN102587898B Method and device for detecting gas content of mixed fluid under while drilling condition
06/11/2014CN102312670B Method and system for correcting sound wave emitting voltage in sound wave amplitude logging
06/11/2014CN101353961B Well bore logging detector and manufacture method thereof
06/10/2014US8746369 Umbilical technique for robotic mineral mole
06/10/2014US8746367 Apparatus and methods for detecting performance data in an earth-boring drilling tool
06/05/2014WO2014085152A1 Apparatus and method for obtaining formation fluid samples
06/05/2014WO2014011348A3 Method for evaluating relative permeability for fractional multi-phase, multi-component fluid flow through porous media
06/05/2014US20140151039 Expandable Filtering System For Single Packer Systems
06/05/2014US20140151038 Apparatus and Method for Obtaining Formation Fluid Samples
06/05/2014US20140150546 Methods and Apparatus for Analyzing Operations
06/05/2014US20140150545 Scattering Detection from Downhole Optical Spectra
06/04/2014EP2737175A2 System and method for sampling multiphase fluid at a production wellsite
06/04/2014CN203629896U 一种油品防盗装置 One kind of oil theft device
06/04/2014CN203626836U 新型输油管道取样装置 The new pipeline sampling device
06/04/2014CN203626835U 基于相位差检测的持水率测量系统 Based on the phase difference detection of water holdup measurement system
06/04/2014CN203626834U 气液分采式取样器 Gas-liquid separator mining type sampler
06/04/2014CN203626833U 一种蒸汽取样系统 A steam sampling system
06/04/2014CN203626832U 一种适用于井壁取芯仪的内外压力平衡筒 One for the inner and outer sidewall coring apparatus cylinder pressure balance
06/04/2014CN203626831U 一种模拟深立井冻结的大型模型试验装置 A large-scale model test device simulation of deep frozen Shaft
06/04/2014CN203626830U 剖分式高压填砂实验管 Split-pressure test tube filling sand
06/04/2014CN203626829U 钻井液动态煤层井壁封堵测试仪 Borehole drilling fluid dynamic seam sealing tester
06/04/2014CN203624916U 测井滑轮 Logging pulley
06/04/2014CN103842615A Systems and program product for performing a fully automated workflow for well performance model creation and calibration
06/04/2014CN103842614A Fluid determination in a well bore
06/04/2014CN103835709A Simulation experiment method for thickened oil thermal recovery reservoir layer fracture
06/04/2014CN103835708A Method for quantitatively forecasting analog development indexes of oil and gas fields
06/04/2014CN103835707A Large model test device simulating deep vertical shaft freezing
06/04/2014CN103835706A Device for monitoring deformation of frozen wall of shaft
06/04/2014CN103835664A Drill rod for wireless electromagnetic measurement-while-drilling signal transmission dipole drill string
06/04/2014CN102749937B Quantitative control device for releasing high-pressure fluid
06/04/2014CN102518429B Device and method for calibrating orientational double-gamma instrument balance
06/04/2014CN101372890B Creep determination technique
06/03/2014US8744774 Cleanup production during sampling
06/03/2014US8739899 Small core generation and analysis at-bit as LWD tool
06/03/2014US8739898 Apparatus and methods for detecting gases during coring operations
06/03/2014CA2686699C Selecting and annotating well logs
05/2014
05/30/2014WO2014081735A1 Energy deposit discovery system and method
05/30/2014WO2014081482A1 Heater pattern including heaters powered by wind-electricity for in situ thermal processing of a subsurface hydrocarbon-containing formation
05/30/2014WO2014080107A1 Method for assessing a quantity of hydrocarbons in a deposit
05/29/2014US20140149098 Multiphase flow in a wellbore and connected hydraulic fracture
05/29/2014US20140144625 System and method related to a sampling packer
05/29/2014US20140144623 Method for increasing product recovery in fractures proximate fracture treated wellbores
05/29/2014US20140144622 Method of determining a value indicative of fracture quality
05/29/2014US20140144255 Compound sample extraction apparatus
05/29/2014US20140144224 Monitoring system for borehole operations
05/28/2014EP2734829A1 Methods of analyzing a reservoir fluid sample using a multivariate optical element calculation device
05/28/2014CN203616598U 油田用测井仪器开关腿控制盒 Oilfield logging instrument control box switch legs
05/28/2014CN203614091U 高集成度测井地面系统 Highly Integrated Logging System
05/28/2014CN203614077U 双向取样阀门 Bidirectional sampling valve
05/28/2014CN103821509A 高温高压地层流体分析仪的柱塞密封机构 High temperature and pressure formation fluid analyzer plunger sealing mechanism
05/28/2014CN103821508A 水平井分段生产快速电动取样器 Horizontal well production fast electric sampler
05/28/2014CN103821507A 立井井壁变形分布式光纤检测方法 Distributed fiber shaft sidewall deformation detection method
05/28/2014CN103821506A 井周介质电阻率三维阵列成像测量方法 Well-week three-dimensional array imaging medium resistivity measurement methods
05/28/2014CN103821505A 砂岩油气输导层地球物理-地质-地球化学检测方法及装置 Conducting layer of sandstone geophysical - geological - geochemical detection method and apparatus
05/28/2014CN103821504A 高温高压地层流体分析仪的转样同步机构 High temperature and pressure formation fluid sample analyzer turn synchronization mechanism
05/28/2014CN103821503A 一种用于过套管电阻率测井仪中的可收回探针装置 A casing resistivity logging instrument probe device for over-recoverable
05/28/2014CN103821498A 用于钻孔高压压水试验的观测仪器埋设封堵系统 Observation instruments used for drilling high pressure water test buried closure system
05/28/2014CN103821497A 一种电极推靠器 An electrode biasing device
05/28/2014CN103821495A 测井方法 Logging methods
05/28/2014CN103821487A 一种用于稠油热采储层破裂的模拟实验装置 A thermal recovery simulation device for reservoir rupture
05/28/2014CN102493768B 高频脉冲射流共振钻井装置及其钻井方法 Resonance frequency pulse jet drilling apparatus and drilling method
05/28/2014CN102094622B 一种微球聚焦测井主电流线路的厚膜电路 A micro ball Focused Logging main current line Houmodianlu
05/28/2014CN102042007B 一种岩性密度长源距数据采集处理厚膜电路 One kind of lithology density long-spaced data acquisition and processing Houmodianlu
05/28/2014CN101315030B 从地表下地层取样重油的方法和设备 Method and apparatus for heavy oil from the surface layers of the sample
05/27/2014US8733163 Formation evaluation probe set quality and data acquisition method
05/27/2014CA2605830C Methods and apparatus of downhole fluid analysis
05/27/2014CA2594623C Method for analyzing data having shared and distinct properties
05/27/2014CA2562086C Dynamic logging speed
05/27/2014CA2369669C Iterative drilling simulation process for enhanced economic decision making
05/22/2014WO2014078621A1 Dual flowline testing tool with pressure self-equalizer
05/22/2014WO2014078192A1 Lwd in-situ sidewall rotary coring and analysis tool
05/22/2014WO2014078179A1 High precision locked laser operating at elevated temperatures
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ... 119