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The AAPG/Datapages Combined Publications Database

AAPG Special Volumes

Abstract


Pub. Id: A077 (1994)

First Page: 141

Last Page: 158

Book Title: M 60: The Petroleum System--From Source to Previous HitTrapNext Hit

Article/Chapter: Carbonate Reservoir Rocks: Chapter 7: Part II. Essential Elements

Subject Group: Oil--Methodology and Concepts

Spec. Pub. Type: Memoir

Pub. Year: 1994

Author(s): Clifton F. Jordan Jr., James Lee Wilson

Abstract:

The main factors in evaluating carbonate reservoirs are lithofacies, pore Previous HittypesNext Hit, shelf setting, sequence stratigraphy, and diagenetic overprint. Several patterns are evident based on a review of carbonate reservoirs from around the world. First, dolomites, grainstones, and boundstones are the most common carbonate reservoir rock Previous HittypesNext Hit, but any carbonate lithofacies can be modified by diagenesis to form porous rock. Second, secondary pore Previous HittypesNext Hit tend to dominate carbonate reservoir facies, as opposed to primary pore Previous HittypesNext Hit. Third, inner shelf, outer shelf, and slope lithofacies belts are prime exploration fairways that are relatively predictable, with middle shelf prospects being less so. Fourth, sequence stratigraphy describes the shelf-building and basin-filling pattern of carbonate sediments and provides useful models for exploration and production. Finally, carbonate sediments are subjected to two main Previous HittypesTop of diagenetic overprinting: steady subsidence into deep burial realms of diagenesis or subsidence interrupted by one or more periods of uplift and associated porosity-producing diagenetic reactions.

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