| 摘要 |
The recovery of hydrocarbons from hydrocarbon bearing rock, sands or othe r geological materials (collectively "rock") (16) uses a recovery fluid (66) . In certain embodiments, the recovery fluid (66) includes miscible compound s or an azeotrope-forming mixture (including an azeotrope), used alone or wi th other compositions. Two or more compounds in the recovery fluid (66) yiel d a mixture with different and/or improved characteristics over those of one or more of the component compounds in both liquid and vapor states.
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