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Title: In situ chemical stimulation of diatomite formations

Patent ·
OSTI ID:5869625

A method is described of recovering hydrocarbon from a subsurface diatomite formation comprising the steps of: a. introducing an aqueous surface solution into the diatomite formation, the aqueous surface active solution comprising (i) a diatomite/oil/ water wettability improving agent, and (ii) an oil/water interfacial tension lowering agent; and b. producing oil from the diatomite formation.

Assignee:
Chevron Research Co., San Francisco, CA
Patent Number(s):
US 4828031
OSTI ID:
5869625
Resource Relation:
Patent File Date: Filed date 13 Oct 1987
Country of Publication:
United States
Language:
English