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)
10/2010
10/21/2010US20100263931 Strength (UCS) of Carbonates Using Compressional and Shear Acoustic Velocities
10/21/2010US20100263862 Formation fluid evaluation
10/21/2010CA2753389A1 A microfluidic oscillating tube densitometer for downhole applications
10/20/2010EP2240767A1 Methods and apparatus for analysis of downhole compositional gradients and applications thereof
10/20/2010EP2240669A2 Systems and methods for well data analysis
10/20/2010CN201610736U 油井取样防盗装置 Well sampling anti-theft device
10/20/2010CN101864954A Multi-sampling device for formation testing
10/20/2010CN101864953A Pushing device for extraction of formation fluid
10/20/2010CN101864952A Electronic coring and selecting transmitter
10/20/2010CN101864951A Safe coring bullet pulling device
10/20/2010CN101864950A Prediction method of continuous and compact sandstone gas distribution
10/20/2010CN101864949A Test device and method for simulating acid etching crack flow guide capability
10/20/2010CN101864948A Fracturing acidification working solution dynamic filtration loss instrument
10/20/2010CN101864947A Method and device for simulating formation temperature in multi-element thermal fluid injected oil extraction three-dimensional simulation test
10/19/2010US7818071 Method for controlling and/or optimizing production of oil and/or gas wells and facilities
10/19/2010CA2487090C A method of determining the per stratum reserve quality of an oil well
10/15/2010CA2699931A1 Formation fluid evaluation
10/14/2010WO2010118120A2 Method for taking gamma-gamma density measurements
10/14/2010WO2010118119A2 Gamma ray generator
10/14/2010WO2010116250A2 Downhole sensor systems and methods thereof
10/14/2010WO2010080727A3 System and method for sampling and analyzing downhole formation fluids
10/14/2010US20100258304 In-situ evaluation of reservoir sanding and fines migration and related completion, lift and surface facilities design
10/14/2010US20100257926 Downhole sensor systems and methods thereof
10/14/2010CA2758373A1 Downhole sensor systems and methods thereof
10/13/2010CN201606071U 一种恒功率双侧向测井仪电路 One kind of bilateral constant power circuit to the logging tool
10/13/2010CN201606070U 一种绞车面板系统 One kind of winch panel system
10/13/2010CN201606059U 一种微球聚焦测井主电流的供电电路 A micro spherical focusing logging of the main current supply circuit
10/13/2010CN201606058U 一种微球聚焦测井仪电压测量与电流测量的电路 A micro ball logging tool focusing voltage measurement and current measurement circuit
10/13/2010CN201606057U 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
10/13/2010CN201606056U 一种微球聚焦测井仪电压与电流测量线路的厚膜电路 A micro ball logging tool focusing voltage and current measurement circuit Houmodianlu
10/13/2010CN201606054U 一种活塞斜面式泄压装置 One kind of piston-type pressure relief devices ramp
10/13/2010CN201606047U 用于复合射孔与全通径地层测试联作中的能量吸收装置 For composite perforation with full bore formation tests linked the energy absorbing device for
10/13/2010CN1761868B A method for downhole quantification of methane using near infrared spectroscopy
10/13/2010CN101858211A Method and device for simulating strata pressure in three-dimensional simulation test for producing oil by injecting multicomponent thermal fluid
10/12/2010US7813219 Electro-magnetic acoustic measurements combined with acoustic wave analysis
10/12/2010CA2438198C Method for estimating the gas to oil ratio (gor) in the fluids of a well during drilling
10/07/2010WO2010115211A1 Method for modeling fracture network, and fracture network growth during stimulation in subsurface formations
10/07/2010WO2010114811A2 Method and apparatus for estimating formation permeability and electroacoustic constant of an electrolyte-saturated multi-layered rock taking into account osmosis
10/07/2010WO2010114462A1 A method for the collection of samples of soil and a vehicle intended to be used with the method
10/07/2010WO2010111726A1 System for analysing gas from strata being drilled
10/07/2010WO2010081981A3 Method for determining the concentration of a plurality of compounds in a drilling fluid
10/07/2010WO2009062716A3 Measurements while drilling or coring using a wireline drilling machine
10/07/2010US20100252258 Acquiring and Concentrating a Selected Portion of a Sampled Reservoir Fluid
10/06/2010EP2235495A1 Method of analyzing a number of hydrocarbons contained in a drilling fluid, and associated device
10/06/2010EP2235324A2 Downhole sensing system using carbon nanotube fet
10/06/2010CN201600289U 气体采样装置 Gas sampling device
10/06/2010CN201599026U 对开取芯触探器 Sounding off coring device
10/06/2010CN201599020U 油田施工现场无线数据采集系统 Oilfield construction site wireless data acquisition system
10/06/2010CN1965249B Surface real-time processing of downhole data
10/06/2010CN101852079A Heterogeneous reservoir simulation box
10/05/2010US7805988 Borehole tester apparatus and methods using dual flow lines
09/2010
09/30/2010WO2010075264A3 Apparatus and methods for gas volume retained coring
09/30/2010US20100250142 System and method of analyzing fluids at a drilling location
09/29/2010EP2233685A2 Well tool with combined actuation of multiple valves
09/29/2010CN201593421U On-line tester for plugging capacity of water-based mud
09/29/2010CN201593420U Hydraulic rotating type crude oil burner boom
09/29/2010CN201593396U Hydraulic well opening valve
09/29/2010CN1784535B Method and apparatus for downhole micro-sampler
09/29/2010CN101845951A Method for quickly analyzing components of drilling liquid by using ultrasonic molecular beams
09/29/2010CN101845948A Radiation detector
09/29/2010CN101845943A Universal packer for through cable
09/28/2010US7805247 System and methods for well data compression
09/28/2010CA2594015C Apparatus and methods to remove impurities at a sensor in a downhole tool
09/28/2010CA2572240C Drilling systems and methods utilizing independently deployable multiple tubular strings
09/26/2010CA2660227A1 Numerical simulation and economic evaluation of hybrid solvent processes
09/23/2010WO2010106499A1 Subsea sampling system and method
09/23/2010US20100236776 Downhole X-Ray Source Fluid Identification System and Method
09/22/2010CN101839131A Method and structure for optimizing axial fluid line in cylindrical matrix
09/21/2010US7797996 Permanently installed in-well fiber optic accelerometer-based sensing apparatus and associated method
09/21/2010CA2622651C Systems and methods for well data compression
09/21/2010CA2556937C Methods for measuring a formation supercharge pressure
09/16/2010WO2010104399A1 Device and method of taking fluid samples offshore
09/16/2010US20100230165 Orientation head
09/15/2010CN201581887U Hydraulic control system of through casing resistivity logging instrument
09/15/2010CN101832133A Method for judging reservoir fluid type of difference between density porosity and neutron porosity
09/15/2010CN101832125A Remotely updating device of EDIB (Electronic Data Interchange Bus) based down-hole program
09/14/2010US7793713 Apparatus and method for formation evaluation
09/14/2010US7793712 Downhole tool
09/14/2010CA2594217C Reservoir sample chain-of-custody
09/14/2010CA2594122C Methods and systems for sampling heavy oil reservoirs
09/14/2010CA2550539C Multiphase fluid characterization
09/14/2010CA2499043C Azimuthally focused electromagnetic measurement tool
09/10/2010WO2010102130A2 Apparatus and method for formation testing
09/10/2010WO2010101980A2 Method of detecting gas in a formation using capture cross-section from a pulsed neutron device
09/10/2010WO2010101712A2 Method and system for calculating extent of a formation treatment material in a formation
09/10/2010WO2010099623A1 Control logic method and system for optimizing production from natural gas wells
09/10/2010WO2010059601A3 Fluid expansion in mud gas logging
09/10/2010CA2787510A1 Control valve assembly
09/09/2010US20100223989 Obtaining and evaluating downhole samples with a coring tool
09/09/2010US20100223988 Apparatus And Method For A Wireless Sensor To Monitor Barrier System Integrity
09/08/2010EP2225441A1 Method and system for downhole analysis
09/08/2010CN201576099U Multistage directional well-logging radiodetector device
09/08/2010CN201574751U Testing device for simulating drilling and grouting in coal seam and evaluating stability of hole wall
09/08/2010CN201574745U CAN bus device tester
09/07/2010US7788972 Method of downhole characterization of formation fluids, measurement controller for downhole characterization of formation fluids, and apparatus for downhole characterization of formation fluids
09/02/2010WO2010098835A2 Well test system
09/02/2010WO2010097782A1 A water fraction measuring sensor and method
09/02/2010US20100218943 Apparatus and method for formation evaluation
09/01/2010EP2224233A1 A water fraction measuring sensor and method
09/01/2010CN201568052U Device for pushing and closing litho-density propeller
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