Method of oil recovery with a hot driving fluid
Patent
·
OSTI ID:5922198
Recovery of oil from an oil stratum is improved by injecting a slug of an oil or water solution of surfactant stable at temperatures up to at least 650$F into the stratum. This is followed with a driving fluid free of surfactant. The oil is produced through a well penetrating the stratum, injection and production being effected through a single well by so-called ''huff and puff'' or through spaced-apart injection and producing wells. (13 claims)
- Assignee:
- Phillips Petroleum Co.
- Patent Number(s):
- US 3357487
- OSTI ID:
- 5922198
- Country of Publication:
- United States
- Language:
- English
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