Break-out tool for annular type blow-out preventers

Details Break-out tool for annular type blow-out preventers Break-out tool for annular type blow-out preventers

1981-05-18

1983-08-16

Purser, Ernest R.

Wells

Above ground apparatus

With assembly or disassembly means

166379, 81 5739, 29240, E21B 1916, E21B 3306

Patent

active

043985980

ABSTRACT:
Apparatus for removing the frozen head of an annular type blow-out preventer, wherein an annular frame is mounted over the threadedly attached head leaving a central, top portion of the blow-out preventer head exposed to receive a torque arm adapted to be secured to the preventer head, torque being applied to the torque arm from hydraulic power assemblies mounted on the frame for breaking the threaded connection between said preventer head and body.

REFERENCES:
patent: 2615681 (1952-10-01), True
patent: 4023449 (1977-05-01), Boyadjieff
patent: 4309923 (1982-01-01), Wilmeth

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