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Potential for producing oil and gas from Woodford Shale (Devonian-Mississippian) in the southern Mid-Continent, USA

Conference · · AAPG Bulletin (American Association of Petroleum Geologists); (United States)
OSTI ID:6007342
 [1]
  1. Indiana Geological Survey, Bloomington (United States)
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Woodford Shale is a prolific oil source rock throughout the southern Mid-Continent of the US. Extrapolation of thickness and organic geochemical data based on the analysis of 614 samples from the region indicate that on the order of 100 {times} 10{sup 9} bbl of oil (300 {times} 10{sup 12} ft {sup 3} of natural gas equivalent). Tapping this resource is most feasible in areas where the Woodford subcrop contains competent lithofacies (e.g., chert, sandstone, siltstone, dolostone) and is high fractured. Horizontal drilling may provide the optimum exploitation technique. Areas with the greatest potential and the most prospective lithologies include (1) the Nemaha uplift (chert, sandstone, dolostone), (2) Marietta-Ardmore basin (chert), (3) southern flank of the Anadarko basin along the Wichita Mountain uplift (chert), (4) frontal zone of the Ouachita tectonic belt in Oklahoma (chert), and (5) the Central Basin platform in west Texas and New Mexico (chert and siltstone). In virtually all of these areas the Woodford is in the oil or gas window. Thus, fracture porosity would be continuously fed by hydrocarbons generated in the enclosing source rocks. Reservoir systems such as these have typically produced at low to moderate flow rates for many decades.
OSTI ID:
6007342
Report Number(s):
CONF-910403--
Conference Information:
Journal Name: AAPG Bulletin (American Association of Petroleum Geologists); (United States) Journal Volume: 75:3
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
ARKANSAS
CHEMISTRY
DEVELOPED COUNTRIES
ENERGY SOURCES
FEDERAL REGION VI
FLUIDS
FOSSIL FUELS
FRACTURED RESERVOIRS
FUEL GAS
FUELS
GAS FUELS
GASES
GEOCHEMISTRY
GEOLOGIC DEPOSITS
MINERAL RESOURCES
NATURAL GAS
NATURAL GAS DEPOSITS
NEW MEXICO
NORTH AMERICA
OKLAHOMA
PETROLEUM
PETROLEUM DEPOSITS
RESERVES
RESOURCE POTENTIAL
RESOURCES
ROCKS
SEDIMENTARY ROCKS
SHALES
SOURCE ROCKS
TEXAS
USA