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)
06/2010
06/08/2010US7730967 Drilling wellbores with optimal physical drill string conditions
06/08/2010US7730944 Multi-function completion tool
06/03/2010WO2010062710A1 Three dimensional well block radius determiner machine and related computer implemented methods and program products
06/03/2010WO2010015248A3 Method and device for monitoring and determining the ground stress
06/03/2010US20100135536 Method for determining permeability of rock formation using computer tomograpic images thereof
06/03/2010US20100133204 Reusable filters for fluid loss measurements of drilling fluids
06/03/2010US20100133010 Anisotropic Depth Velocity Model Estimation Above the Receiver Array in Walkaway or 3D VSP Data
06/03/2010US20100133007 Method for determining formation integrity and optimum drilling parameters during drilling
06/03/2010US20100132941 Apparatus and method for manipulating fluid during drilling or pumping operations
06/03/2010US20100132450 Methods for optimizing petroleum reservoir analysis
06/03/2010US20100132449 System and method for analysis of well fluid samples
06/03/2010US20100132448 Method of determining saturations in a reservoir
06/02/2010EP2191103A1 Apparatus and method for fluid property measurements
06/02/2010CN201496066U Bilateral logging instrument of electrode probe built-in electronic line
06/02/2010CN201496060U Cementing imaging log tool transducer
06/02/2010CN101122231B Mud compensation device of supersonic imaging logger
06/02/2010CN101027457B Permanently eccentered formation tester and method for measuring the formation pressure
06/01/2010US7726397 Methods and compositions for determination of fracture geometry in subterranean formations
06/01/2010CA2380382C A method of determining parameters of formations through which a borehole passes
05/2010
05/27/2010WO2010060001A1 Method for determining properties of fractured rock formations using computer tomograpic images thereof
05/27/2010WO2010059601A2 Fluid expansion in mud gas logging
05/27/2010WO2010059540A2 Oscillator sensor for determining a property of an earth formation
05/27/2010WO2010058313A1 Single packer structure with sensors
05/27/2010US20100128933 Method for determining properties of fractured rock formations using computer tomograpic images thereof
05/27/2010US20100126713 Fluid Collecting Apparatus
05/27/2010US20100126266 Formation core sample holder assembly and testing method
05/27/2010CA2743114A1 Single packer structure with sensors
05/26/2010EP2189623A2 Generation of a pressure pulse of known magnitude
05/26/2010CN201486550U Coring gun cylindrical contact
05/26/2010CN201486549U Micro-spherical hydraulic geolock
05/26/2010CN101054893B Dissection type packer
05/26/2010CN101050702B Measuring device and method for overcurrent type resonant sound spectrum multiple phase flow state test
05/25/2010CA2582695C Method of estimating fracture geometry, compositions and articles used for the same
05/20/2010WO2010008684A3 Apparatus and methods for characterizing a reservoir
05/20/2010US20100122847 Methods for visualizing distances between wellbore and formation boundaries
05/20/2010US20100122812 Single Packer Structure With Sensors
05/19/2010CN201474691U Evaluation device for high-temperature and high-pressure carbon dioxide foaming agent
05/19/2010CN201474690U Formation fracture simulation device
05/19/2010CN101709645A Method for locally taking soil to reclaim mining subsidence areas of thick coal seams of mining areas
05/19/2010CN101709640A Hydraulic rotary crude oil burner boom
05/19/2010CN101709639A Mineshaft multiphase flow device for simulating deep-water oil and gas production
05/18/2010US7717172 Methods and apparatus to sample heavy oil from a subteranean formation
05/18/2010CA2339556C Drill string telemetry with insulator between receiver and transmitter
05/14/2010WO2010014517A3 In-situ refraction apparatus and method
05/13/2010US20100116494 Formation Testing and Sampling Apparatus and Methods
05/13/2010US20100116493 Coiled Tubing Deployed Single Phase Fluid Sampling Apparatus and Method for Use of Same
05/13/2010US20100116046 Sampling device with diamond-like carbon coating
05/12/2010CN201464467U High-precision digital control emulsified crude oil water-containing tester
05/12/2010CN201461577U High-temperature large flow reversing device
05/12/2010CN201460883U Modularization short section of stratum tester
05/12/2010CN201460870U 31 turn 37 core nipple
05/12/2010CN201460869U Belt-inside positioning quick connecting structure for well measuring instrument
05/12/2010CN201460790U Safe and environment-friendly test lubricator
05/12/2010CN101705816A Speedy chromatograph well log quantitative interpretation system
05/12/2010CN101705815A Analog experimental device of supercritical carbon dioxide drilling fluid
05/12/2010CN101482013B While-drilling borehole compensation electromagnetic wave resistivity survey apparatus
05/11/2010CA2522259C Apparatus and method for formation evaluation
05/06/2010WO2010050840A1 An integrated coring system
05/06/2010US20100108314 System and method for downhole sampling or sensing of clean samples of component fluids of a multi-fluid mixture
05/06/2010CA2741682A1 An integrated coring system
05/05/2010CN201449385U Cooling device for drilling fluid high-temperature high-pressure multifunctional dynamic evaluation experimental apparatus
05/05/2010CN201448122U High-pressure rich-water filling solution cavity advanced boring device
05/05/2010CN201448107U Downhole device of sensing logging instrument
05/05/2010CN1759229B A method and apparatus for pumping quality control through formation rate analysis
05/05/2010CN1743644B Formation evaluation system and method
05/05/2010CN1715614B Apparatus and method for characterizing a reservoir
05/05/2010CN101701521A Well logging quantitative interpretation method based on fast chromatographic analyzer
05/05/2010CN101701520A Simulation experiment device for migrating rock cuttings with circulation of deepwater drilling fluid and stabilizing well wall
05/05/2010CN101701518A Pipe string used for high-speed test of pressure control and water stabilization of horizontal well
05/04/2010US7711488 Methods and apparatus to monitor contamination levels in a formation fluid
05/04/2010CA2556433C Methods and apparatus for measuring formation properties
04/2010
04/29/2010WO2010048054A2 Apparatus and methods for collecting a downhole sample
04/29/2010WO2010023517A3 Detecting gas compounds for downhole fluid analysis
04/29/2010US20100101802 Drilling Head for Reboring a Stuck Valve
04/28/2010EP2179135A1 Methods of calibrating a fluid analyzer for use in a wellbore
04/28/2010CN201443395U sampling valve
04/28/2010CN201443394U Integrative geologic guiding combination logging instrument
04/28/2010CN201443389U Oil well data acquiring device combined with embedded digital video processing technology
04/28/2010CN101699028A System for controlling positioning arm of logging tool
04/27/2010US7703526 Apparatus and method for characterizing a reservoir
04/27/2010US7703517 Downhole sampling tool and method for using same
04/27/2010US7703515 Methods and apparatus for communicating across casing
04/27/2010US7703318 Permanently eccentered formation tester
04/27/2010US7703317 Method and apparatus for sampling formation fluids
04/22/2010WO2010045642A2 Method and apparatus for while-drilling transient resistivity measurements
04/22/2010WO2010045185A2 Isolation system for drilling systems
04/22/2010WO2010009031A3 Method of ranking geomarkers and compositional allocation of wellbore effluents
04/22/2010WO2009137834A3 A method and apparatus for ion-selective discrimination of fluids downhole
04/22/2010US20100095758 Apparatus and methods for collecting a downhole sample
04/22/2010US20100095757 Measurements of rock parameters
04/22/2010CA2740409A1 Isolation system for drilling systems
04/21/2010EP2177710A1 Three dimensional steerable system
04/21/2010CN201439716U Anti-spray well head sampler
04/20/2010US7699124 Single packer system for use in a wellbore
04/20/2010CA2448168C A method of controlling the direction of propagation of injection fractures in permeable formations
04/15/2010WO2010008994A3 Formation evaluation instrument and method
04/15/2010US20100089645 Bit Based Formation Evaluation Using A Gamma Ray Sensor
04/15/2010US20100089569 Separator for downhole measuring and method therefor
04/15/2010US20100089132 Method and apparatus for obtaining heavy oil samples from a reservoir sample
04/14/2010EP2175100A1 Three dimensional steerable system
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