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Your search returned 207 patents.
( 367/73 in Current US Classification )
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Patent IDTitleDate Filed
6002639 Sensor configuration for nulling reverberations to image behind reflective layers May 14, 1997
5999489 High vertical resolution crosswell seismic imaging March 21, 1997
5999486 Method for fracture detection using multicomponent seismic data July 23, 1998
5986974 Method for geophysical processing and interpretation using seismic trace difference for analysis and display February 27, 1998
5982707 Method and apparatus for determining geologic relationships for intersecting faults March 24, 1997
5946271 Calibration system for use in time lapse tomography March 21, 1997
5889729 Well logging data interpretation systems and methods September 30, 1996
5883583 Imaging a completion string in a wellbore July 16, 1997
5838634 Method of generating 3-D geologic models incorporating geologic and geophysical constraints December 9, 1996
5812493 Method of representing the trajectory of at least one borehole in a space-time domain February 27, 1997
5808966 Seismic attribute analysis using inflection point intervals May 16, 1997
5808964 Processing method for obtaining zero-offset seismic data by depth domain stacking June 6, 1996
5808963 Dipole shear anisotropy logging January 29, 1997
5798982 Method for inverting reflection trace data from 3-D and 4-D seismic surveys and identifying subsurface fluid and pathways in and among hydrocarbon reservoirs based on impedance models April 29, 1996
5764514 Method for modelling kinematic seismic data processed with at least one motion operator November 13, 1995
5742560 Seismic imaging using wave equation extrapolation September 4, 1996
5740124 Method for determining acoustic velocity of earth formations by simulating receiver waveforms for an acoustic array well logging instrument November 19, 1996
5737277 Method for computing borehole geometry from ultrasonic pulse echo data October 25, 1996
5724310 Traveltime generation in the presence of velocity discontinuities October 15, 1996
5696735 Seismic migration using offset checkshot data March 6, 1997
5691958 Method for determining formation properties from seismic attributes April 13, 1995
5675551 Apparatus and method for evaluation of score failures in picking of 3-D seismic data April 17, 1996
5671344 Process for displaying N dimensional data in an N-1 dimensional format January 19, 1996
5661698 Method for modelling the spatial distribution of geometric objects in an environment, such as faults in a geologic formation October 18, 1995
5661696 Methods and apparatus for determining error in formation parameter determinations August 11, 1995
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