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Book Chapter

Sedimentology of the Slave Point Formation (Devonian) at Slave Field Lubicon Lake, Alberta

By
John B. Dunham
John B. Dunham
Union Oil Company of California Research Center, P. O. Box 76, Brea, California 92621
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G. Allan Crawford
G. Allan Crawford
Union Oil Company of California Research Center, P. O. Box 76, Brea, California 92621
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Walter Panasiuk
Walter Panasiuk
Union Oil Company of Canada Ltd., Calgary, Alberta T2P-2K6
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Published:
January 01, 1983

Abstract

Hydrocarbon production from the Slave Point Formation at Slave Field (T84, RI4W5), north-central Alberta, is light gravity (−35 API) oil. Leaching of megafossils, associated with dolomitization, has contributed to porosity development within the Slave Point Formation. The following report interprets the sequence of events which led to carbonate-reservoir development, based on data from eleven cores which penetrated the Slave Field reservoir. These data indicate that relative seA-1evel rise initiated shallow-water carbonate sedimentation on the flanks of a subaerially exposed granite-basement high. Subsequent seA-1evel rise resulted in upward growth of a carbonate bank which fringed the basement high. Core control documents a facies zonation from more open-marine type facies at the outer edges of the bank, to more restricted facies in the bank interior. An exposed granite island was present in the center of this carbonate bank, and continued seA-1evel rise led to progressive onlap of the granite structure.

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Contents

SEPM Core Workshop Notes

Carbonate Buildups-A Core Workshop

Paul M. Harris
Paul M. Harris
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SEPM Society for Sedimentary Geology
Volume
4
ISBN electronic:
9781565762596
Publication date:
January 01, 1983

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