Origins, characteristics, controls, and economic viabilities of deep- basin gas resources
Chemical Geology
By: L.C. Price
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Abstract
Dry-gas deposits (methane ???95% of the hydrocarbon (HC) gases) are thought to originate from in-reservoir thermal cracking of oil and C2+ HC gases to methane. However, because methanes from Anadarko Basin dry-gas deposits do not carry the isotopic signature characteristics of C15+ HC destruction, an origin of these methanes from this process is considered improbable. Instead, the isotopic signature of these methanes suggests that they were cogenerated with C15+ HC's. Only a limited resource of deep-basin gas deposits may be expected by the accepted model for the origin of dry-gas deposits because of a limited number of deep-basin oil deposits originally available to be thermally converted to dry gas. However, by the models of this paper (inefficient source-rock oil and gas expulsion, closed fluid systems in petroleum-basin depocenters, and most dry-gas methane cogenerated with C15+ HC's), very large, previously unrecognized, unconventional, deep-basin gas resources are expected. -from Author
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Origins, characteristics, controls, and economic viabilities of deep- basin gas resources |
| Series title | Chemical Geology |
| DOI | 10.1016/0009-2541(95)00126-3 |
| Volume | 126 |
| Issue | 3-4 |
| Year Published | 1995 |
| Language | English |
| Publisher | Elsevier |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Chemical Geology |
| First page | 335 |
| Last page | 349 |
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