EMERGENCY COOLING APPARATUS FOR A PRODUCTION WELL
United States Patent 3457993

Inventors:
Parker, Harry W.
Meldau, Robert F.
Publication Date:
07/29/1969
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Assignee:
PHILLIPS PETROLEUM CO
Primary Class:
166/53
Other Classes:
166/64
International Classes:
E21B36/00; E21B43/24; E21B43/243; E21B47/06; E21B43/16; E21B35/00; E21B47/06; E21B47/12
US Patent References:
3227215Apparatus for preventing well fires
3343598Protection of production well equipment in in situ combustion operation
3357490Apparatus for automatically introducing coolant into and shutting down wells




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