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Title: Sequence stratigraphy and 3-D seismic imaging in low-accommodation basins

Abstract

Pennsylvanian-age rocks in several areas of the Midcontinent of the United States were deposited in low-accommodation basinal settings. Many sequences in these low-accommodation environments exhibit severe lateral heterogeneity because they have been extensively reworked by repeated transgressions and regressions. Consequently, the distinctive geometries of relic depositional features tend to be distorted or totally destroyed, in contrast to such geometries in high-accommodation basins where depositional topography, once buried, is rarely exposed to erosional processes. Our objective is to show how these thin and obscure low-accommodation sequences can be identified in well control and interpreted in 3-D seismic data volumes. Numerous, deep-rooted karst-collapse zones affected the areal continuity of many sequences in some Midcontinent basins. We combine sequence stratigraphy with 3-D seismic imaging to document that many of these karst-collapse zones originate at deep Ellenburger ( ) levels and then extend vertically for a distance of 2,000 ft (600 m) or more into Pennsylvanian-age rocks. We also offer evidence that properly chosen seismic attributes, calculated in thin, accurately defined seismic time windows that correspond to log-defined sequences, show compartmented reservoir facies in low-accommodation basins.

Authors:
; ; ;  [1]
  1. Univ. of Texas, Austin, TX (United States)
Publication Date:
OSTI Identifier:
6574605
Report Number(s):
CONF-960527-
Journal ID: ISSN 0149-1423; CODEN: AABUD2
Resource Type:
Conference
Journal Name:
AAPG Bulletin
Additional Journal Information:
Journal Volume: 5; Conference: Annual convention of the American Association of Petroleum Geologists, Inc. and the Society for Sedimentary Geology: global exploration and geotechnology, San Diego, CA (United States), 19-22 May 1996; Journal ID: ISSN 0149-1423
Country of Publication:
United States
Language:
English
Subject:
02 PETROLEUM; RESERVOIR ROCK; GEOMETRY; RESOURCE POTENTIAL; SEDIMENTARY BASINS; STRATIGRAPHY; USA; CARBONIFEROUS PERIOD; DEVELOPED COUNTRIES; GEOLOGIC AGES; GEOLOGIC STRUCTURES; GEOLOGY; MATHEMATICS; NORTH AMERICA; PALEOZOIC ERA; 020200* - Petroleum- Reserves, Geology, & Exploration

Citation Formats

Hardage, B A, Carr, D L, Hamilton, D S, and Simmons, Jr, J L. Sequence stratigraphy and 3-D seismic imaging in low-accommodation basins. United States: N. p., 1996. Web.
Hardage, B A, Carr, D L, Hamilton, D S, & Simmons, Jr, J L. Sequence stratigraphy and 3-D seismic imaging in low-accommodation basins. United States.
Hardage, B A, Carr, D L, Hamilton, D S, and Simmons, Jr, J L. 1996. "Sequence stratigraphy and 3-D seismic imaging in low-accommodation basins". United States.
@article{osti_6574605,
title = {Sequence stratigraphy and 3-D seismic imaging in low-accommodation basins},
author = {Hardage, B A and Carr, D L and Hamilton, D S and Simmons, Jr, J L},
abstractNote = {Pennsylvanian-age rocks in several areas of the Midcontinent of the United States were deposited in low-accommodation basinal settings. Many sequences in these low-accommodation environments exhibit severe lateral heterogeneity because they have been extensively reworked by repeated transgressions and regressions. Consequently, the distinctive geometries of relic depositional features tend to be distorted or totally destroyed, in contrast to such geometries in high-accommodation basins where depositional topography, once buried, is rarely exposed to erosional processes. Our objective is to show how these thin and obscure low-accommodation sequences can be identified in well control and interpreted in 3-D seismic data volumes. Numerous, deep-rooted karst-collapse zones affected the areal continuity of many sequences in some Midcontinent basins. We combine sequence stratigraphy with 3-D seismic imaging to document that many of these karst-collapse zones originate at deep Ellenburger ( ) levels and then extend vertically for a distance of 2,000 ft (600 m) or more into Pennsylvanian-age rocks. We also offer evidence that properly chosen seismic attributes, calculated in thin, accurately defined seismic time windows that correspond to log-defined sequences, show compartmented reservoir facies in low-accommodation basins.},
doi = {},
url = {https://www.osti.gov/biblio/6574605}, journal = {AAPG Bulletin},
issn = {0149-1423},
number = ,
volume = 5,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 1996},
month = {Mon Jan 01 00:00:00 EST 1996}
}

Conference:
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