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Book Chapter

The Evolution of Carbonate Porosity in a Diagenetic-Environment Framework

Published:
January 01, 1979

Abstract

When carbonate and quartzose clastic pore systems are compared (Table 1), it is obvious that while quartzose clastic pore systems are controlled to a large extent by primary textures, the basic controls on the ultimate porosity of limestones are dominantly diagenetic in nature. As indicated previously, these post-depositional influences place definite restraints on utilization of classic sedimentological models and require expansion of exploration strategy to include the diagenetic evolution of the rocks during burial history. To be truly effective in a carbonate terraine, the exploration geologist must be fully aware of the basic characteristics of limestone porosity and the nature and extent of the diagenetic controls over this porosity. This seminar is designed to outline the basic characteristics of limestone pore systems, to describe the broad realms of diagenetic activity critical to an understanding of the evolution of these pore systems, and to delineate and evaluate the tools currently available to the geologist seeking favorable reservoir rocks in a carbonate terraine.

These remarks are not intended to exclude the geologist concerned with the exploitation of proven reservoirs in carbonate sequences, but only to emphasize the need for a new awareness in exploration concepts. The need for the exploitation geologist to integrate diagenetic constraints into production concepts has long been recognized, and continues to be of prime concern.

This material is in the form of a progress report, since the fruits of some fifteen years of intensive research into the basic physical and chemical characteristics of the limestone — water system

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Contents

AAPG Continuing Education Course Notes Series

Geology of Carbonate Porosity

Don Bebout
Don Bebout
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Graham Davies
Graham Davies
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Clyde H. Moore
Clyde H. Moore
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Peter S. Scholle
Peter S. Scholle
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Norman C. Wardlaw
Norman C. Wardlaw
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American Association of Petroleum Geologists
Volume
11
ISBN electronic:
9781629811888
Publication date:
January 01, 1979

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