Devonian Novaculites as source of oil in Marathon-Ouachita thrust system
Conference
·
· Am. Assoc. Pet. Geol., Bull.; (United States)
OSTI ID:5840191
The Arkansas Novaculite of southern Oklahoma and the Caballos Novaculite of west Texas (both Devonian) form fractured reservoirs in the Marathon-Ouachita thrust system. These formations were examined to ascertain their petroleum potential. Findings include the following. (1) The thermal maturity of the thrust system conforms to the maturity of the sequence that it has overthrust, suggesting that this allochthonous facies is not anomalously mature. (2) Shale units within the novaculites contain oil-prone organic matter in sufficient concentrations to constitute source rocks. (3) The composition of oils from Isom Springs field in southern Oklahoma and from McKay Creek field in west Texas is virtually identical and generally resembles Devonian oils in Oklahoma and west Texas. The authors concluded that the Devonian novaculites of the Marathon-Ouachita thrust system are self sourcing and do not require a fortuitous juxtaposition of source rocks of a different age to produce a commercial deposit.
- Research Organization:
- Sun Exploration and Production Co., Dallas, TX
- OSTI ID:
- 5840191
- Report Number(s):
- CONF-850322-
- Conference Information:
- Journal Name: Am. Assoc. Pet. Geol., Bull.; (United States) Journal Volume: 69:2
- Country of Publication:
- United States
- Language:
- English
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·
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Conference
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02 PETROLEUM
020200* -- Petroleum-- Reserves
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& Exploration
ARKANSAS
DEVONIAN PERIOD
FEDERAL REGION VI
FRACTURED RESERVOIRS
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020200* -- Petroleum-- Reserves
Geology
& Exploration
ARKANSAS
DEVONIAN PERIOD
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FRACTURED RESERVOIRS
GEOLOGIC AGES
GEOLOGIC DEPOSITS
GEOLOGIC FAULTS
GEOLOGIC FRACTURES
GEOLOGIC STRUCTURES
MINERAL RESOURCES
NORTH AMERICA
OKLAHOMA
PALEOZOIC ERA
PETROLEUM DEPOSITS
RESERVOIR ROCK
RESOURCES
SOURCE ROCKS
USA