Conoco Inc.

Roger K Parsons

Robert T Baumel

Beverly Stebens

Donna K Terral

Robert H Stolt

Matthew J Yedlin

A method of processing seismic data involves the input of common depth point data for determination of obliquity of downward propagating energy. Data having known surface offset and travel time is then processed with interval velocities along the depth of survey to solve by matrix inversion for the earth elastic parameters at selected depths.

Method for determination of earth stratum elastic parameters using

A method for developing a novel seismic data attribute enables improvements in seismic data processing and interpretation. Seismic signals or trace data are first rectified and then Hilbert transformed and processed with the arc tangent function to develop a new instantaneous phase parameter referred to as phase of rectified trace (PORT). Output data may be further enhanced with tri-modal, interactive color display.

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Ponca City, OK, United States of America

Roger K Parsons