Conoco Inc.

Beverly Stebens

Robert T Baumel

Roger K Parsons

Donna K Terral

Roger P Pinkerton

Matthew J Yedlin

A method for processing three-dimensional seismic data to define areal boundaries of hydrocarbon reservoirs. 3-D Seismic data for an area having a producing well is examined to establish an attribute critical parameter that specifically relates to the reservoir structure. Having identified a parameter, the 3-D data can then be examined in a selected time window for presence of the critical parameter and X, Y gridding of its relative value. The relative values are then output to visual plot to provide a plan view of reservoir structure.

Method for hydrocarbon reservoir identification

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

Beverly Stebens