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Title: Modeling giant structural traps in the Perdido fold belt, Gulf of Mexico

Abstract

The Perdido fold belt in the Alaminos Canyon OCS protraction area contains some of the largest, untested structural traps within US waters. The overall structural geometry of the fold belt is relatively simple, although individual structures show a complex array of structural styles. Previous interpretations have modeled these structures as either growth fault-bend folds or salt-cored detachment folds. Structural interpretation of high quality 2D seismic data, combined with detailed analysis of the growth strata and both 2D and 3D restorations provides the necessary control to model these structures accurately. The 2D restorations show that the observed geometries of then folds and their growth strata are compatible with a detachment fold model. The folds developed due to gravitational gliding above, and at the basinward limit of, a thick layer of autochthonous salt. The growth strata indicate a relatively short period of folding and uplift during the late Oligocene to early Miocene. 3D restorations of an anomalous, dome-shaped structure suggest it formed due to interference between an elongate, NE-SW trending anticline and a NW-SE trending basement feature. The real test of our restorations, and the viability of the Perdido fold belt as a petroleum province remains to be tested by exploratory drilling.

Authors:
; ; ;  [1]
  1. Univ. of Colorado, Boulder, CO (United States); and others
Publication Date:
OSTI Identifier:
6594902
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; GULF OF MEXICO; GEOLOGIC STRUCTURES; PETROLEUM DEPOSITS; SEISMIC SURVEYS; PETROLEUM; EXPLORATION; ATLANTIC OCEAN; CARIBBEAN SEA; ENERGY SOURCES; FOSSIL FUELS; FUELS; GEOLOGIC DEPOSITS; GEOPHYSICAL SURVEYS; MINERAL RESOURCES; RESOURCES; SEAS; SURFACE WATERS; 020200* - Petroleum- Reserves, Geology, & Exploration

Citation Formats

Trudgill, B D, Rowan, M G, Fiduk, J C, and Weimer, P. Modeling giant structural traps in the Perdido fold belt, Gulf of Mexico. United States: N. p., 1996. Web.
Trudgill, B D, Rowan, M G, Fiduk, J C, & Weimer, P. Modeling giant structural traps in the Perdido fold belt, Gulf of Mexico. United States.
Trudgill, B D, Rowan, M G, Fiduk, J C, and Weimer, P. Mon . "Modeling giant structural traps in the Perdido fold belt, Gulf of Mexico". United States.
@article{osti_6594902,
title = {Modeling giant structural traps in the Perdido fold belt, Gulf of Mexico},
author = {Trudgill, B D and Rowan, M G and Fiduk, J C and Weimer, P},
abstractNote = {The Perdido fold belt in the Alaminos Canyon OCS protraction area contains some of the largest, untested structural traps within US waters. The overall structural geometry of the fold belt is relatively simple, although individual structures show a complex array of structural styles. Previous interpretations have modeled these structures as either growth fault-bend folds or salt-cored detachment folds. Structural interpretation of high quality 2D seismic data, combined with detailed analysis of the growth strata and both 2D and 3D restorations provides the necessary control to model these structures accurately. The 2D restorations show that the observed geometries of then folds and their growth strata are compatible with a detachment fold model. The folds developed due to gravitational gliding above, and at the basinward limit of, a thick layer of autochthonous salt. The growth strata indicate a relatively short period of folding and uplift during the late Oligocene to early Miocene. 3D restorations of an anomalous, dome-shaped structure suggest it formed due to interference between an elongate, NE-SW trending anticline and a NW-SE trending basement feature. The real test of our restorations, and the viability of the Perdido fold belt as a petroleum province remains to be tested by exploratory drilling.},
doi = {},
url = {https://www.osti.gov/biblio/6594902}, journal = {AAPG Bulletin},
issn = {0149-1423},
number = ,
volume = 5,
place = {United States},
year = {1996},
month = {1}
}

Conference:
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