Origin of gasoline-range hydrocarbons and their migration by solution in carbon dioxide in Norton basin, Alaska.
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Abstract
Carbon dioxide from a submarine seep in Norton Sound, Alaska, carries a minor component of gas- and gasoline-range hydrocarbons. The molecular and isotopic compositions of the hydrocarbon gases and the presence of gasoline-range hydrocarbons indicate that these molecules are derived from thermal alteration of marine and/or nonmarine organic matter buried within Norton basin. In the gasoline-range hydrocarbons, individual cyclic and branched-chain molecules are much more abundant than straight-chain hydrocarbons. This distribution suggests that the hydrocarbon mixture is an immature, petroleumlike condensate of lower temperature origin than normal crude oil. The submarine seep provides a natural example in support of a carbon dioxide solution transport mechanism thought to be operative in the migration of hydrocarbons in certain reservoirs.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Origin of gasoline-range hydrocarbons and their migration by solution in carbon dioxide in Norton basin, Alaska. |
| Series title | American Association of Petroleum Geologists Bulletin |
| DOI | 10.1306/2F919431-16CE-11D7-8645000102C1865D |
| Volume | 64 |
| Issue | 7 |
| Year Published | 1980 |
| Language | English |
| Publisher | American Association of Petroleum Geologists |
| Contributing office(s) | Pacific Coastal and Marine Science Center |
| Description | 9 p. |
| First page | 1078 |
| Last page | 1086 |
| Country | United States |
| State | Alaska |
| Other Geospatial | Norton Basin |
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