1 - 25 of 3
| Title | Date | Subject | Description | ||
|---|---|---|---|---|---|
| 1 |
 |
Process and apparatus for separating coarse sand particles and recovering bitumen from tar sands | 1978-10 | sharp separation from tar sands; tar sands; bitumen recovery; patent; solvent extraction | A system for effecting a sharp separation from tar sands of the large weight fraction of coarse materials present therein and for recovering bitumen, or tar, from the remaining product, wherein, as a first step, finely divided particles of a tar sand are added to a liquid hydrocarbon solvent in an a... |
| 2 |
 |
In situ thermal processing of a coal formation using a controlled heating rate | 2004-06-15 | coal formation; in situ thermal process; in situ; thermal process; heating rate | A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. A heating rate to a... |
| 3 |
 |
In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range | 2004-06-15 | coal formation; coal; in situ; thermal processing; carbon | A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. An average temperat... |
1 - 25 of 3