--> Abstract: Seismic/Sequence Stratigraphy of Deep-Water Reservoirs, 1. Seismic Facies and Recognition Criteria ; Past Experiences and New Observations, by Franklin J. Goulding, Tim R. Garfield, Kurt W. Rudolph, Gerrick N. Jensen, and Rick T. Beaubouef; #90914(2000)
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Franklin J Goulding1, Tim R. Garfield1, Kurt W. Rudolph1, Gerrick N. Jensen1, Rick T. Beaubouef2
(1) Exxon Exploration Co, Houston, TX
(2) Exxon Production Research Co, Houston, TX

Abstract: Previous HitSeismicNext Hit/Sequence Stratigraphy of deep-water reservoirs, 1. Previous HitSeismicNext Hit Previous HitfaciesNext Hit and recognition criteria ; Past experiences and new observations

Previous HitSeismicNext Hit Previous HitfaciesNext Hit Previous HitanalysisNext Hit is a method developed by Exxon in the 1970s for the description and geologic interpretation of Previous HitseismicNext Hit reflection parameters. Previous HitSeismicNext Hit Previous HitfaciesNext Hit are mappable, three-dimensional groups of reflections whose parameters differ from those of adjacent Previous HitfaciesNext Hit units. Application of this method for reservoir prediction hs increased in deep marine settings due to increased exploration activity and the paucity of well control.

Through integrated studies of deep-water reservoirs in several basins, Exxon has made significant enhancements to Previous HitseismicNext Hit recognition criteria, mapping techniques and resulting depositional models. The dramatic increase in the use of 3D Previous HitseismicNext Hit has made many of the improvements possible.

Early Previous HitseismicNext Hit stratigraphic Previous HitanalysisNext Hit recognized convex-upward external mounding as a characteristic of deep-water reservoirs. Our current dee-water Previous HitseismicNext Hit Previous HitfaciesNext Hit classification scheme builds on this earlier work and is based on reflection amplitude, continuity and external form. Major reservoir-prone reflection configurations include: High Amplitude Continuous Onlapping (HACO), High Amplitude Semi-Continuous (HASC), High and Low Amplitude Semi-Continuous mounded and "gull-wing" Previous HitfaciesNext Hit. The most reservoir-prone Previous HitfaciesNext Hit differ between basins. In the Gulf of Mexico, the most reservoir prone Previous HitfaciesNext Hit is HACO whereas in the lower Congo basin HASC Previous HitseismicNext Hit Previous HitfaciesNext Hit in confined channel complexes are the most reservoir prone.

New techniques to interpret and map Previous HitseismicNext Hit Previous HitfaciesTop on 3D data are providing the greatest potential for improving our reservoir predictions in the immediate future.

AAPG Search and Discovery Article #90914©2000 AAPG Annual Convention, New Orleans, Louisiana