Title | Description | Subject | Date | ||
---|---|---|---|---|---|
1 | The unconventional petroleum resources of California | Unconventional petroleum resources are naturallyoccurring deposits of liquid and solid hydrocarbons that have not been fully exploited due to unfavorable economics or inadequate technology. The term unconventional conveniently describes these deposits without imposing specific limits, such as densit... | unconventional petroleum resources; liquid and solid hydrocarbons; ultraheavy oil and tar sands; diatomaceous oil shales | 1981-06-12 |