Pipe disconnecting apparatus

Details Pipe disconnecting apparatus Pipe disconnecting apparatus

1976-01-02

1977-11-15

Jones, Jr., James L.

Metal working

Means to assemble or disassemble

By rotation of work part

81 5716, 81 5718, 81 5719, 81 5721, 81 5734, B25B 1700

Patent

active

040578879

ABSTRACT:
Apparatus for disconnecting the lower threaded end of an upper section from the upper threaded end of a lower section of pipe string extending through the bore of an underwater wellhead.

REFERENCES:
patent: 2419711 (1947-04-01), Dillon
patent: 2542302 (1951-02-01), Barker
patent: 3666026 (1972-05-01), Allard

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