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

Method for initiating underground combustion

Patent ·
OSTI ID:5517661
In a method of igniting underground petroleum formations having a perforated liner in the well adjacent the formation, the basic steps include (1) packing the annular space between the exterior of the perforated liner and the well wall with a combustible material; (2) igniting the combustible material; and (3) injecting air through the perforations of the liner to burn the combustible material and to cause the ignition of the petroliferous material in the formation. (2 claims)
Assignee:
Chevron Research Co.
Patent Number(s):
US 3417818
OSTI ID:
5517661
Country of Publication:
United States
Language:
English