Oil derrick string-up apparatus and methods

Details Oil derrick string-up apparatus and methods Oil derrick string-up apparatus and methods

1978-04-28

1980-01-15

Noland, Kenneth W.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

Conduit snakes

254166, 242 865R, B66C 2360

Patent

active

041836499

ABSTRACT:
An apparatus is provided for removing and replacing heavy steel drilling cable within the derrick structure of an oil drilling rig. The apparatus includes a first powdered winch for carrying a guide cable, said first winch including apparatus for selectively engaging and disengaging a first winch spool from a first winch shaft. A disc brake is provided for applying a retarding force to said first winch spool to brake its rotational motion. The apparatus also includes a second powered winch for receiving a length of guide rope, said second powered winch including a plurality of friction drive collars. The apparatus is mounted upon a vehicle for moving the friction drive collars into engagement with flanges of a drilling cable storage spool so that the spool may be rotated by the driving force of the collars thereby pulling the drilling cable onto the storage spool. Methods are disclosed for use of this apparatus in removing and replacing the drilling cable within the oil rig.

REFERENCES:
patent: 1348448 (1920-08-01), Robison
patent: 2067942 (1937-01-01), Nichols
patent: 3033528 (1962-05-01), Wilson
patent: 3075599 (1963-01-01), Yadon et al.
patent: 3121557 (1964-02-01), Turner
patent: 3271009 (1966-09-01), Wright et al.
patent: 3625445 (1971-12-01), Hall
patent: 4083531 (1978-04-01), Merz

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