Organic geochemical probes of subsurface migration in Morrow Formation crude oils
Conference
·
· AAPG Bulletin (American Association of Petroleum Geologists); (United States)
OSTI ID:5895044
- Wichita State Univ., KS (United States)
Distributions of petroleum compounds in crude oils can be altered during secondary migration by adsorption and other chromatographic processes. Trends in distributions of alkanes and nitrogen-containing compounds among oils may indicate migration pathways when used in conjunction with structural and lithologic maps. Several crude oils which were produced from reservoir sans of the Morrow Formation in western Kansas and eastern Colorado were analyzed for hydrocarbons and nitrogen-containing organic compounds. Deasphalted oils were fractionated into saturate, aromatic, and polar fractions using a thermionic specific detector, which responds specifically to nitrogen-containing organic compounds. Lithologically Morrow sands and shales contain abundant clay minerals which potentially expose active adsorptive surfaces to petroleum compounds as migration of the crude oil proceeds. The fluvio-deltaic depositional environment of the sands provides clay minerals along probable flow paths in the form of clay drapes or a s gradational facies changed in silt and clay content. Differences in both alkane and nitrogenous compound profiles of crude oils from the study area exhibit possible migration-induced alteration of the oils.
- OSTI ID:
- 5895044
- Report Number(s):
- CONF-9109239--
- Conference Information:
- Journal Name: AAPG Bulletin (American Association of Petroleum Geologists); (United States) Journal Volume: 75:8
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
023000 -- Petroleum-- Properties & Composition
ADSORPTION
CHEMICAL COMPOSITION
CHEMISTRY
CHROMATOGRAPHY
COLORADO
DEVELOPED COUNTRIES
ENERGY SOURCES
ENVIRONMENTAL TRANSPORT
FEDERAL REGION VII
FEDERAL REGION VIII
FOSSIL FUELS
FUELS
GAS CHROMATOGRAPHY
GEOCHEMISTRY
GEOLOGIC DEPOSITS
GEOLOGIC FORMATIONS
HYDROCARBONS
KANSAS
MASS TRANSFER
MINERAL RESOURCES
NITROGEN COMPOUNDS
NORTH AMERICA
ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM DEPOSITS
RESERVOIR ROCK
RESOURCES
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SANDSTONES
SEDIMENTARY ROCKS
SEPARATION PROCESSES
SHALES
SORPTION
SOURCE ROCKS
USA
020200* -- Petroleum-- Reserves
Geology
& Exploration
023000 -- Petroleum-- Properties & Composition
ADSORPTION
CHEMICAL COMPOSITION
CHEMISTRY
CHROMATOGRAPHY
COLORADO
DEVELOPED COUNTRIES
ENERGY SOURCES
ENVIRONMENTAL TRANSPORT
FEDERAL REGION VII
FEDERAL REGION VIII
FOSSIL FUELS
FUELS
GAS CHROMATOGRAPHY
GEOCHEMISTRY
GEOLOGIC DEPOSITS
GEOLOGIC FORMATIONS
HYDROCARBONS
KANSAS
MASS TRANSFER
MINERAL RESOURCES
NITROGEN COMPOUNDS
NORTH AMERICA
ORGANIC COMPOUNDS
PETROLEUM
PETROLEUM DEPOSITS
RESERVOIR ROCK
RESOURCES
ROCKS
SANDSTONES
SEDIMENTARY ROCKS
SEPARATION PROCESSES
SHALES
SORPTION
SOURCE ROCKS
USA