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U.S. Department of Energy
Office of Scientific and Technical Information

Method for steam injection in steeply dipping formations

Patent ·
OSTI ID:6639481
Oil is produced from a steeply dipping subterranean reservoir containing high viscosity petroleum by injecting a fluid comprising steam into the lower portion of the reservoir and withdrawing the oil from production wells in an intermediate portion of the reservoir while injecting a fluid such as cold water into the updip portion of the reservoir to prevent loss of steam vapor therethrough.
Assignee:
Texaco Inc.
Patent Number(s):
US 4434851
OSTI ID:
6639481
Country of Publication:
United States
Language:
English