Oil well blow-out safety system

Details Oil well blow-out safety system Oil well blow-out safety system

1979-11-01

1982-02-23

Spar, Robert J.

Fire extinguishers

Special applications

For oil or gas well

166364, A62C 3512

Patent

active

043165060

ABSTRACT:
A system for delaying the ignition of, or for extinguishing, an oil well rig fire, by injecting an admixture of for example pressurized CO.sub.2 and mono-potassium phosphate into the flow of hydrocarbons from the drill pipe and casing, through a plurality of holds in the wall of a spool apparatus located in the "stack" above the "Hydril" and blow-out preventers and above the casing but preferably below the mud return line element. The spool apparatus is equipped with a plurality of one-way check valves for receiving a plurality of conduits or chicksaw lines for transporting the chemicals from storage tanks to the spool apparatus. The entire system can be manually activated by a spring-loaded mechanism at the control head. Additionally, the system can be used to inject, for example, ammonium hydroxide to neutralize highly toxic gases, known as "sour" gases, arising during a blow-out.

REFERENCES:
patent: 1567097 (1925-12-01), Anthony
patent: 1582238 (1926-04-01), Ardon
patent: 2000381 (1935-05-01), Duffy
patent: 2041394 (1936-05-01), Belcher
patent: 2080610 (1937-05-01), Humason
patent: 2272577 (1942-02-01), Penn
patent: 2307083 (1943-01-01), Thrune
patent: 3620299 (1971-11-01), Wiseman, Jr.

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