Well sealing device

Details Well sealing device Well sealing device

1989-09-26

1991-06-18

Dang, Hoang C.

Wells

With explosive or gas generating means in well

160120, 160123, 160134, 160135, E21B 2304, E21B 2306, E21B 33129

Patent

active

050242709

ABSTRACT:
A well sealing device using an internal propellant charge to drive slip segments outwardly against a well casing. A pin shears, releasing the device from its wire line prior to final setting of the slip segments.

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patent: 3055430 (1962-09-01), Campbell
patent: 3062295 (1962-11-01), Hanes
patent: 3266575 (1966-08-01), Owen
patent: 3374838 (1968-03-01), Current

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