Method for plugging a well and bridge plug

Details Method for plugging a well and bridge plug Method for plugging a well and bridge plug

1982-04-23

1984-01-03

Purser, Ernest R.

Wells

Processes

Placing or shifting well part

166120, 166134, E21B 33134

Patent

active

044237839

ABSTRACT:
A method for plugging a well comprises (1) extending two sets of dogs on a bridge plug for engaging the sides of the well by releasing an expandable means, and (2) releasing a high pressure fluid for triggering and releasing the expandable means for extending the two sets of dogs for securing the bridge plug at the desired depth in the well. A bridge plug for carrying out the method is also disclosed.

REFERENCES:
patent: 536537 (1895-03-01), Moehn
patent: 2490350 (1949-12-01), Grable
patent: 2618344 (1952-11-01), Turechek et al.
patent: 2710065 (1955-06-01), Hamilton, Jr.
patent: 3070163 (1962-12-01), Colby et al.
patent: 3208525 (1965-09-01), Caldwell et al.
patent: 3437137 (1969-04-01), Scott
patent: 3460625 (1969-08-01), Hart et al.
patent: 3489216 (1970-01-01), Armstrong et al.
patent: 3706342 (1972-12-01), Wooley
patent: 3872925 (1975-03-01), Owen et al.

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