Wire line anchor

Details Wire line anchor Wire line anchor

1979-05-08

1981-06-16

Kee Chi, James

Joints and connections

Interfitted members

Lugged member, rotary engagement

166240, 294 861, B25G 300, E21B 2300

Patent

active

042734649

ABSTRACT:
A wire line anchor has a slot in its side wall that will move the slot into position to engage a key attached to a housing in a pipe string to hold the anchor against upward movement relative to the housing. The anchor is released from the key by subsequent downward movement followed by upward movement of the anchor relative to the key.

REFERENCES:
patent: 252657 (1882-01-01), Githens
patent: 3036641 (1962-05-01), Nutter et al.
patent: 3248129 (1966-04-01), Brown
patent: 4135577 (1979-01-01), Nelson

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