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Class Information
Number: 166/250.02
Name: Wells > Processes > With indicating, testing, measuring or locating > Permeability determining
Description: Measuring including the step(s) of ascertaining the ease with which a fluid can flow through a formation.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7487047 Method of interpreting well data Feb. 3, 2009
7466240 Wireless sensing node powered by energy conversion from sensed system Dec. 16, 2008
7360596 Method and device for intensifying the permeability of ground layers close to bore holes and filter bodies and filter layers in wells and other production wells Apr. 22, 2008
7357180 Inhibiting effects of sloughing in wellbores Apr. 15, 2008
7333892 Method of determining multiphase flow parameters of a porous medium taking account of the local heterogeneity Feb. 19, 2008
7311142 Apparatus and method for aquiring information while drilling Dec. 25, 2007
7284604 Methods for measurement of a dimensional characteristic and methods of predictive modeling related thereto Oct. 23, 2007
7281422 Method for borehole conductivity profiling Oct. 16, 2007
7273097 Formation characterization using wellbore logging data Sep. 25, 2007
7255166 Imbibition well stimulation via neural network design Aug. 14, 2007
7228902 High data rate borehole telemetry system Jun. 12, 2007
7210344 Method for measuring formation properties with a time-limited formation test May. 1, 2007
7137446 Fluids comprising reflective particles and methods of using the same to determine the size of a wellbore annulus Nov. 21, 2006
7114562 Apparatus and method for acquiring information while drilling Oct. 3, 2006
7059404 Variable intensity memory gravel pack imaging apparatus and method Jun. 13, 2006
7031841 Method for determining pressure of earth formations Apr. 18, 2006
7022241 Gas-gas-water treatment system for groundwater and soil remediation Apr. 4, 2006
6983803 Equalizer valve and associated method for sealing a fluid flow Jan. 10, 2006
6910374 Borehole conductivity profiler Jun. 28, 2005
6827861 Gas-gas-water treatment system for groundwater and soil remediation Dec. 7, 2004
6755246 In-situ heavy-oil reservoir evaluation with artificial temperature elevation Jun. 29, 2004
6675892 Well testing using multiple pressure measurements Jan. 13, 2004
6672386 Method for in-situ analysis of formation parameters Jan. 6, 2004
6668922 Method of optimizing the design, stimulation and evaluation of matrix treatment in a reservoir Dec. 30, 2003
6618695 Method for gradually deforming a stochastic model of a heterogeneous medium such as an underground zone Sep. 9, 2003
6585045 Formation testing while drilling apparatus with axially and spirally mounted ports Jul. 1, 2003
6581685 Method for determining formation characteristics in a perforated wellbore Jun. 24, 2003
6575242 Method and an apparatus for use in production tests, testing an expected permeable formation Jun. 10, 2003
6554065 Memory gravel pack imaging apparatus and method Apr. 29, 2003
6543540 Method and apparatus for downhole production zone Apr. 8, 2003
6467542 Method for resonant vibration stimulation of fluid-bearing formations Oct. 22, 2002
6453727 Method of evaluating physical parameters of an underground reservoir from rock cuttings taken therefrom Sep. 24, 2002
6450257 Monitoring fluid flow through a filter Sep. 17, 2002
6415648 Method for measuring reservoir permeability using slow compressional waves Jul. 9, 2002
6312605 Gas-gas-water treatment for groundwater and soil remediation Nov. 6, 2001
6305470 Method and apparatus for production testing involving first and second permeable formations Oct. 23, 2001
6138753 Technique for treating hydrocarbon wells Oct. 31, 2000
5974874 Method for testing gas wells in low pressured gas formations Nov. 2, 1999
5925598 Water-based drilling fluid for use in shale formations Jul. 20, 1999
5871047 Method for determining well productivity using automatic downtime data Feb. 16, 1999
5832409 Automated gas permeameter Nov. 3, 1998
5784333 Method for estimating permeability of earth formations by processing stoneley waves from an acoustic wellbore logging instrument Jul. 21, 1998
5663499 Method for estimating permeability from multi-array induction logs Sep. 2, 1997
5644076 Wireline formation tester supercharge correction method Jul. 1, 1997
5549159 Formation testing method and apparatus using multiple radially-segmented fluid probes Aug. 27, 1996
5520248 Method and apparatus for determining the hydraulic conductivity of earthen material May. 28, 1996
5519322 Magnetic field method and apparatus for evaluating in situ and/or measuring the premeability of a rock formation May. 21, 1996
5477922 Method of evaluating the damage to the structure of rock surrounding a well Dec. 26, 1995
5335542 Integrated permeability measurement and resistivity imaging tool Aug. 9, 1994
5269180 Borehole tool, procedures, and interpretation for making permeability measurements of subsurface formations Dec. 14, 1993

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