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The AAPG/Datapages Combined Publications Database
Houston Geological Society Bulletin
Abstract
Abstract: Construction of Regionally Correlated
Stratigraphic Sections
Central Gulf of Mexico, Part I
By
The Gulf of Mexico Outer Continental Shelf (OCS) Regional Office of Minerals Management Service has been conducting detailed stratigraphic correlations of the Texas/Louisiana Outer Continental Shelf for the past several years as a part of the geological and geophysical effort of the Resource Evaluation program. In late 1985, the MMS will publish an atlas titled "Correlation of the Cenozoic Sediments on the Gulf of Mexico Outer Continental Shelf Part I, Galveston Area Offshore Texas to Vermilion Area Offshore Louisiana". Part II will extend down the Texas Coast to Port Isabell and Part III will extend eastward beyond the Main Pass Area.
The primary objective of the stratigraphic study is to
establish a regional stratigraphic correlation grid including all
major productive intervals based upon electric logs, seismic
and paleontological
data
. Twenty-five stratigraphic horizons
have been identified and regionally correlated. With the
cooperation of industry, key portions of Minerals Management
Service's large proprietary
data
base in addition to publicly
available information, were incorporated into this publication.
Work on Part I includes the detailed analyses of more that
1,500 wells, three quarters of which had paleo
data
, and the
interpretation
of 12,000 line miles of
seismic
data
.
The correlations of regional markers are presented on
both electric log (geological) cross sections and on seismic
sections which closely parallel the geological cross sections.
The regional markers correlated on the E-logs were projected
on to nearby
seismic
sections and correlated from well to well
to verify the accuracy of the electric log correlations. Time-depth
values were calculated from bore hole velocity surveys
and/or integrated sonic logs.
Approximately 33 electric log and 42 seismic
sections
have been constructed. The final sections will be presented in
color to enhance the visual quality of the presentation.
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