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Book Chapter

The Recognition and Mapping of a Basal Transgressive Sand from Outcrop, Subsurface, and Seismic Data

By
W. O. Abbott
W. O. Abbott
Occidental Exploration and Production CompanyBakersfield, California
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Published:
January 01, 1985

Abstract

Basal transgressive sands can be defined by a careful integration of outcrop, well and seismic data w ithin the concept of an unconformity-bounded depositional sequence. This integration permits accurate prediction of potential stratigraphic traps. Only moderate attention has been paid to the basal transgressive sand as a prime objective reservoir for oil and gas accumulation. In the past it has not been generally recognized as a separate genetic unit, but grouped with the underlying deltaic and/or fluvial sand. Indeed it is usually only over areas of igneous, metamorphic and folded sedimentary terranes that it can be easily distinguished. Through analysis of the lithologic, biologic, acoustic and bore-hole characteristics of the basal transgressive sand, potential hydrocarbon trap geometries can be identified.

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Contents

AAPG Memoir

Seismic Stratigraphy II: An Integrated Approach to Hydrocarbon Exploration

Orville Roger Berg
Orville Roger Berg
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Donald G. Woolverton
Donald G. Woolverton
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American Association of Petroleum Geologists
Volume
39
ISBN electronic:
9781629811505
Publication date:
January 01, 1985

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