21: Evidence of Fault–Fracture “Hydrothermal” Reservoirs in the Southern Midcontinent Mississippian Carbonates
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Published:January 01, 2019
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CiteCitation
Priyank Jaiswal, Jay M. Gregg, Shawna Parks, Robert Holman, Sahar Mohammadi, G. Michael Grammer, 2019. "Evidence of Fault–Fracture “Hydrothermal” Reservoirs in the Southern Midcontinent Mississippian Carbonates", Mississippian Reservoirs of the Midcontinent, G. Michael Grammer, Jay M. Gregg, James Puckette, Priyank Jaiswal, S. J. Mazzullo, Matthew J. Pranter, Robert H. Goldstein
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ABSTRACT
Fault–fracture related “hydrothermal” carbonate reservoirs such as Albion–Scipio (Michigan) are prolific hydrocarbon reservoirs producing mainly from secondary porosity formed through hydrothermal leaching and brecciation by warm (~60°C–150°C) basinal brines. This paper, for the first time, shows that hydrothermal reservoirs may exist in the Mississippian age limestones (“Miss Lime”) of the southern midcontinent. The chapter is pivoted on the observation of a structural depression in a 3-D seismic volume from Payne County in north-central Oklahoma. The depression involves Pennsylvanian to Ordovician (and possibly deeper) units and is fully enclosed by normal faults. Overall, the fault-bounded depression appears to be a...
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Contents
Mississippian Reservoirs of the Midcontinent
GeoRef
- carbonate rocks
- Carboniferous
- faults
- fluid inclusions
- geophysical methods
- hydrothermal conditions
- inclusions
- limestone
- Mississippian
- natural gas
- naturally fractured reservoirs
- Oklahoma
- Ordovician
- Paleozoic
- Payne County Oklahoma
- petroleum
- porosity
- reservoir rocks
- sedimentary rocks
- seismic methods
- structural traps
- three-dimensional models
- traps
- United States