Recovery of oil by a vertical miscible flood
Patent
·
OSTI ID:5144375
A vertical miscible recovery process for the recovery of oil from an oil-bearing reservoir is described wherein a miscible slug is established in situ. The slug is injected at the crest of the oil column or at the gas-oil interface by the separate and simultaneous injection of a stream of the light constituents and a stream of the heavy constituents comprising the miscible slug. This is followed by the injection of a driving fluid to displace the slug and the reservoir oil downward through the reservoir. (14 claims)
- Assignee:
- Texaco Inc
- Patent Number(s):
- US 3845821
- OSTI ID:
- 5144375
- Country of Publication:
- United States
- Language:
- English
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