Apparatus for automatically introducing coolant into and shutting down wells
United States Patent 3357490

Inventors:
Holmes, Billy G.
Publication Date:
12/12/1967
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Assignee:
MOBIL OIL CORP
Primary Class:
166/53
Other Classes:
166/64, 166/57, 137/80
International Classes:
E21B36/00; E21B43/12
US Patent References:
3202219Apparatus for protection of in situ combustion wells
3227215Apparatus for preventing well fires