Method of cleaning tubular members on a rig floor

Details Method of cleaning tubular members on a rig floor Method of cleaning tubular members on a rig floor

1975-01-06

1976-07-27

Purser, Ernest R.

Wells

Valves, closures or changeable restrictors

175 84, E21B 2300

Patent

active

039714420

ABSTRACT:
Tubular members are positioned in a drilling rig relative to the rig floor so that the threaded pin end of the tubular member may be encapsulated with a thread cleaner to clean the threads immediately prior to connecting the threaded pin end of the tubular member with the upwardly facing box of a well string supported adjacent the rig floor.

REFERENCES:
patent: 2305079 (1942-12-01), Heldenbrand
patent: 2661494 (1953-12-01), Crookston et al.
patent: 2682068 (1954-06-01), Harrigan
patent: 3044907 (1962-07-01), Bernhardt
patent: 3129009 (1964-04-01), Simpson
patent: 3285778 (1966-11-01), Hauk
patent: 3436783 (1969-04-01), McCartney
patent: 3877529 (1975-04-01), Litchfield

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