Sequentially flooding and oil-bearing formation with a surfactant and hot aqueous fluid
Patent
·
OSTI ID:5145051
This patent describes a process for recovering oil from an oil-wet fractured subterranean oil-bearing formation having an ambient formation temperature and penetrated by at least two wells from the surface which are in fluid communication with the formation. It comprises: injecting a first slug; contacting a face; injecting a second slug; and contacting the face.
- Assignee:
- Marathon Oil Co., Findlay, OH (USA)
- Patent Number(s):
- US 5014783; A
- Application Number:
- PPN: US 7-576083
- OSTI ID:
- 5145051
- Resource Relation:
- Patent File Date: 28 Aug 1990
- Country of Publication:
- United States
- Language:
- English
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