Mesozoic folds, fossil fields, and future finds
Conference
·
OSTI ID:6127831
Drilling and surface geologic mapping have shown that pre-Tertiary, post-Triassic folds and upthrusted anticlines in an eastern Nevada foldbelt have accumulated major oil columns. This Mesozoic foldbelt involves a Cambrian through Triassic section, which has hundreds of feet of porosity in Ordovician sandstones, Silurian and Devonian carbonates, and Mississippian sandstones. In addition to the Devonian Pilot and Mississippian Chainman Shales, source rocks are found in Cambrian and Ordovician shales and in some Paleozoic carbonates. The occurrence of live and dead oil shows in hundreds of vertical feet of porosity in wells drilled on several of these Mesozoic structures is interpreted as evidence that these structures were giant oil fields prior to being breached by Tertiary Basin and Range extensional faulting, which allowed vertical hydrocarbon leakage.
- OSTI ID:
- 6127831
- Report Number(s):
- CONF-880301-
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
04 OIL SHALES AND TAR SANDS
040100* -- Oil Shales & Tar Sands-- Reserves & Exploration-- (-1989)
ANTICLINES
BITUMINOUS MATERIALS
CARBON COMPOUNDS
CARBONACEOUS MATERIALS
CARBONATES
DEVONIAN PERIOD
ENERGY SOURCES
EXPLORATORY WELLS
FEDERAL REGION IX
FORECASTING
FOSSIL FUELS
FUELS
GEOLOGIC AGES
GEOLOGIC DEPOSITS
GEOLOGIC FAULTS
GEOLOGIC FRACTURES
GEOLOGIC STRUCTURES
HYDROCARBONS
LEAKS
MAPPING
MATERIALS
MINERAL RESOURCES
NEVADA
NORTH AMERICA
OIL FIELDS
OIL SHALES
ORDOVICIAN PERIOD
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PALEOZOIC ERA
PETROLEUM DEPOSITS
POROSITY
RESOURCE ASSESSMENT
RESOURCES
ROCKS
SANDSTONES
SEDIMENTARY ROCKS
SILURIAN PERIOD
TOPOLOGICAL MAPPING
TRANSFORMATIONS
USA
WELLS
040100* -- Oil Shales & Tar Sands-- Reserves & Exploration-- (-1989)
ANTICLINES
BITUMINOUS MATERIALS
CARBON COMPOUNDS
CARBONACEOUS MATERIALS
CARBONATES
DEVONIAN PERIOD
ENERGY SOURCES
EXPLORATORY WELLS
FEDERAL REGION IX
FORECASTING
FOSSIL FUELS
FUELS
GEOLOGIC AGES
GEOLOGIC DEPOSITS
GEOLOGIC FAULTS
GEOLOGIC FRACTURES
GEOLOGIC STRUCTURES
HYDROCARBONS
LEAKS
MAPPING
MATERIALS
MINERAL RESOURCES
NEVADA
NORTH AMERICA
OIL FIELDS
OIL SHALES
ORDOVICIAN PERIOD
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PALEOZOIC ERA
PETROLEUM DEPOSITS
POROSITY
RESOURCE ASSESSMENT
RESOURCES
ROCKS
SANDSTONES
SEDIMENTARY ROCKS
SILURIAN PERIOD
TOPOLOGICAL MAPPING
TRANSFORMATIONS
USA
WELLS