Biostratigraphic application to Pliocene sequence stratigraphy of the western and central Gulf of Mexico and its integration to lithostratigraphy
Conference
·
· AAPG Bulletin (American Association of Petroleum Geologists); (USA)
OSTI ID:5991006
- ARCO Oil and Gas Co., Houston, TX (USA)
Detailed biostratigraphic facies analysis and well log characteristics, combined with sequence stratigraphic techniques, assisted us in development of sequence stratigraphic basin models for the central and western Gulf of Mexico, enabling the authors to correlate shelf versus slope sequences. Utilization of abundant areanaceous and calcareous foraminiferal associates assisted us in recognition of high stand and transgressive system tracts. Integration of the above data with well log characteristics and internal sand quality identifies the sand prone intervals, which when combined with geophysical data assisted them in recognition of low-stand system tracts. Utilization of biostratigraphic data for recognition of tops alone is not compatible with seismic stratigraphic techniques. Paleontologic data when used as a whole help identify major sequence boundaries and depositional environments relative to the shelf edge during each sequence cycle. Further, the combination of the internal characteristics of well logs and paleontologic data permits identification of system tracts within each sequence cycle. When constructing a stratigraphic cross section utilizing the above information, vertical and lateral scale can be assigned to sequence cycles not obvious on seismic data alone.
- OSTI ID:
- 5991006
- Report Number(s):
- CONF-9010204--
- Conference Information:
- Journal Name: AAPG Bulletin (American Association of Petroleum Geologists); (USA) Journal Volume: 74:9
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
58 GEOSCIENCES
580000 -- Geosciences
ANIMALS
ATLANTIC OCEAN
CARIBBEAN SEA
CENOZOIC ERA
CROSS SECTIONS
DEPOSITION
FORAMINIFERA
GEOLOGIC AGES
GEOLOGIC FORMATIONS
GEOLOGIC STRUCTURES
GEOLOGY
GEOPHYSICAL SURVEYS
GULF OF MEXICO
INVERTEBRATES
MICROORGANISMS
PROTOZOA
SAND
SARCODINA
SEAS
SEDIMENTARY BASINS
SEISMIC SURVEYS
STRATIGRAPHY
SURFACE WATERS
SURVEYS
TERTIARY PERIOD
WELL LOGGING
020200* -- Petroleum-- Reserves
Geology
& Exploration
58 GEOSCIENCES
580000 -- Geosciences
ANIMALS
ATLANTIC OCEAN
CARIBBEAN SEA
CENOZOIC ERA
CROSS SECTIONS
DEPOSITION
FORAMINIFERA
GEOLOGIC AGES
GEOLOGIC FORMATIONS
GEOLOGIC STRUCTURES
GEOLOGY
GEOPHYSICAL SURVEYS
GULF OF MEXICO
INVERTEBRATES
MICROORGANISMS
PROTOZOA
SAND
SARCODINA
SEAS
SEDIMENTARY BASINS
SEISMIC SURVEYS
STRATIGRAPHY
SURFACE WATERS
SURVEYS
TERTIARY PERIOD
WELL LOGGING