Fire extinguishers – Processes – Of extinguishing fire
Patent
1975-05-27
1976-11-23
Blunk, Evon C.
Fire extinguishers
Processes
Of extinguishing fire
166 55, 166297, 169 69, A62C 122
Patent
active
039931374
ABSTRACT:
Method and apparatus for extinguishing fires in oil wells. The method includes the steps of: attaching a shell which is integral with required guides and valves to the outer oil producing pipe or its casing; inserting at least one positioning pin member through the outer pipe at a first level to immobilize the inner pipe relative to the outer pipe; and driving at least one drill at a second lower level through both pipes into a closed plug housing diametrically opposed thereto, so that part of the wall of the outer pipe remains in two diametrically opposed positions. The apparatus for carrying out this method includes an arcuate shell of at least two parts having an internal radius equal to the external radius of the outer oil producing pipe and adapted to be attached to the outer wall of the outer pipe; at least one housing containing a positioning pin attached to the shell at one level; and at least one drill guide together with a drill attached to the shell at a level below the first level.
REFERENCES:
patent: 1949672 (1934-03-01), Barrier
patent: 2840166 (1958-06-01), Eckel et al.
patent: 3732924 (1973-05-01), Chelette et al.
patent: 3833020 (1974-09-01), Smith
patent: 3867964 (1975-02-01), Gardner
patent: 3884298 (1975-05-01), Watkins
Blunk Evon C.
Mar Michael
LandOfFree
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