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)
04/2012
04/12/2012WO2012048224A2 Sampling system based on microconduit lab on chip
04/12/2012WO2012047693A2 Formation sensing and evaluation drill
04/12/2012WO2012047437A2 Triaxial induction calibration without prior knowledge of the calibration area's ground conductivity
04/12/2012WO2012045937A2 Simulation of a geological phenomenon
04/12/2012WO2012045936A2 Karstification simulation
04/12/2012US20120089335 Fluid pressure-viscosity analyzer for downhole fluid sampling pressure drop rate setting
04/12/2012US20120086454 Sampling system based on microconduit lab on chip
04/12/2012US20120085583 Drill bit assembly having electrically isolated gap joint for electromagnetic telemetry
04/12/2012CA2813638A1 Formation sensing and evaluation drill
04/11/2012CN202190267U 用于测井系统的远程故障诊断系统和远程监控系统 Remote fault diagnosis system for logging system and remote monitoring systems
04/11/2012CN202187760U 一种对地层流体油气进行实时监测录井的系统 Kind of formation fluid and gas systems for real-time monitoring of logging
04/11/2012CN202187757U 抽油机示功图测试辅助卸载装置 Pumping dynamometer test aid unloading device
04/10/2012US8151879 Zone isolation assembly and method for isolating a fluid zone in an existing subsurface well
04/10/2012US8151878 Apparatus and methods for collecting a downhole sample
04/05/2012WO2012042397A2 Methods for reservoir evaluation employing non-equilibrium compositional gradients
04/05/2012WO2012042353A2 Imaging methods and systems for downhole fluid analysis
04/05/2012WO2012009096A3 Microextraction probe
04/05/2012WO2011163602A3 Systems and methods for collecting one or more measurements in a borehole
04/04/2012EP2436875A2 Downhole gas breakout sensor
04/04/2012EP2142749B1 Bit for drilling wells and associated drilling method
04/04/2012CN102400681A 一种地层测试器推靠坐封测试装置 One kind of formation tester pushes against the packer testing device
04/04/2012CN102400674A 超临界二氧化碳井筒多相流动模拟试验装置 Supercritical carbon dioxide wellbore multiphase flow simulation test device
04/04/2012CN102400670A 一种三维感应测井仪器线圈系的设计方法 A three-dimensional design method of induction coil system logging instrument
04/03/2012US8146684 Coring apparatus with sensors
04/03/2012US8146660 Coiled tubing deployed single phase fluid sampling apparatus and method for use of same
04/03/2012US8146655 Methods and apparatus for downhole characterization of emulsion stability
03/2012
03/30/2012CA2752355A1 Refractive index sensor for fluid analysis
03/29/2012WO2012040339A1 Low cut water sampling device
03/29/2012US20120073808 Coiled Tubing Deployed Single Phase Fluid Sampling Apparatus and Method for Use of Same
03/29/2012US20120073807 Coiled Tubing Deployed Single Phase Fluid Sampling Apparatus and Method for Use of Same
03/29/2012US20120073806 Low cut water sampling device
03/29/2012CA2810771A1 Low cut water sampling device
03/28/2012EP2432969A1 Formation tester pad
03/28/2012EP2432968A2 Apparatus and method for modeling well designs and well performance
03/28/2012CN202176330U 一种用于地层流体取样工具的液压动力装置 A hydraulic power unit for a formation fluid sampling tool
03/28/2012CN102392633A New method for releasing underground radioactive tracer and device thereof
03/28/2012CN102128031B Simulation device and method for researching horizontal well gas-liquid two-phase pipe flow mechanism
03/28/2012CN101082276B Methods of characterizing underground formation and its measuring device
03/27/2012US8145429 System and method for sampling and analyzing downhole formation fluids
03/27/2012US8141633 Detecting fluids in a wellbore
03/27/2012US8141632 Method for hydraulic fracture dimensions determination
03/27/2012US8141419 In-situ formation strength testing
03/27/2012CA2353974C Hydrocarbon reservoir testing
03/22/2012WO2012037188A1 Improved formation evaluation capability from near-wellbore logging using relative permeability modifiers
03/22/2012US20120067118 Distributed fiber optic sensor system with improved linearity
03/21/2012EP2431767A2 Dynamic subsurface engineering
03/21/2012EP1984599B1 Kerogen extraction from subterranean oil shale resources
03/21/2012CN202170793U 一种随钻声波测井装置和发射换能器 One kind of sonic logging while drilling apparatus and transmitting transducer
03/21/2012CN202170792U 井眼径向变形的测量装置 Wellbore radial deformation measuring device
03/21/2012CN102383789A Automatic emptying and swabbing measuring tank
03/21/2012CN102383788A Underground reservoir porosity measurement method during drilling
03/21/2012CN102383787A Method for improving target entering success rate of horizontal well
03/21/2012CN102383786A Sector cement bonding and sound wave time difference logging instrument
03/21/2012CN102383783A Method for analyzing flow characteristic of oil and water in seam-hole type oil reservoir
03/21/2012CN101782520B Method for two-dimensional recognition of paleo-oil layer and neo-oil layer by using petroleum inclusion and oily asphalt
03/20/2012US8136394 Methods and apparatus for analyzing a downhole fluid
03/20/2012CA2654461C Device for channeling solids and fluids within a reverse circulation drill
03/20/2012CA2503113C Method and apparatus for isolating and testing zones during reverse circulation drilling
03/16/2012CA2751840A1 Refractive index tool and method
03/15/2012WO2012033693A2 Machine, computer program product and method to carry out parallel reservoir simulation
03/15/2012WO2012033622A1 Determination of rock mechanics while slabbing
03/15/2012WO2012033486A1 Downhole piston accumulator system
03/15/2012US20120061147 Coring Tool and Method
03/15/2012US20120061146 Impregnated drill bits with integrated reamers
03/15/2012DE202012002025U1 Erdschneckenbohrer zur Entnahme von Bodenproben mit seitlich angebrachten Sammelbehälter Erdschneckenbohrer for taking soil samples with side-mounted collecting container
03/14/2012EP2427748A1 Method for sampling and analysis of production from a subsea well for measuring salinity of produced water and also volumetric ratio between liquid fractions
03/14/2012EP1875036B1 Device for extracting at least one type of gas contained in a drilling mud, an analysis arrangement and a related extraction method
03/14/2012CN202165076U 激光气体分析正压防爆综合录井仪 Laser gas analyzer positive Explosion comprehensive logging
03/14/2012CN202165075U 一种近井壁自然电位测井装置 A borehole logging apparatus near natural potential
03/14/2012CN202165073U 一种三参数测量探头 A three-parameter measuring probe
03/14/2012CN102373923A Reservoir stratum identification method
03/14/2012CN102373922A Well periphery ultrasonic imaging downhole tool
03/14/2012CN102373921A Vehicular oil/gas filed ground test system
03/14/2012CN102373920A Method for solving oil and water-containing saturation of quasi oil layer
03/13/2012US8132453 Method for analysis of pressure response in underground formations
03/13/2012US8132452 Method for sampling fluid from a well with a gas trap
03/08/2012WO2012030418A1 Downhole sample analysis method
03/08/2012WO2011140270A3 Methods and systems for ultra-trace analysis of liquids
03/08/2012US20120055710 Drill String Tubular with a Detection System Mounted Therein
03/08/2012US20120055669 Systems and methods for monitoring a parameter of a subterranean formation using swellable materials
03/08/2012US20120055242 Downhole sampling
03/07/2012EP2426312A2 Method and apparatus for geobaric analysis
03/07/2012CN202157804U 一种深水取样检测装置 Deep water sampling detection device
03/07/2012CN202157803U 井口取样阀门 Wellhead sampling valve
03/07/2012CN202157802U 高温密度测井仪器 High temperature density logging tool
03/07/2012CN102367731A Method for describing microscopic remaining oil distribution rule after water flooding
03/07/2012CN101575958B Electromagnetic pneumatic switch well valve of natural gas well
03/06/2012CA2601495C Method and apparatus for sampling formation fluids
03/01/2012WO2012027630A2 Apparatus and method for microresistivity imaging in nonconductive drilling fluid
03/01/2012WO2012006093A3 Fluid sampling tool
03/01/2012WO2011135413A3 Method of measuring a multiphase flow
03/01/2012US20120048541 Arm system for logging a wellbore and method for using same
03/01/2012US20120048540 Safety Structure For Downhole Power Unit Testing
02/2012
02/29/2012EP2422195A1 Detecting gas compounds for downhole fluid analysis using microfluidics and reagent with optical signature
02/29/2012CN202152681U 一种井下流体光谱分析装置 A downhole fluid Spectrometer
02/29/2012CN202152680U 双向密封式井口取样阀门 Bidirectional sealed wellhead sampling valve
02/29/2012CN101397908B Method for simultaneous removing oil and salt in rock core
02/29/2012CA2748763A1 Methods and systems for measuring nmr characteristics in production logging
02/28/2012US8126689 Methods for geomechanical fracture modeling
02/28/2012US8122976 Valve, core sampling apparatus and method
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