Method and bridge plug for sealing off a well

Details Method and bridge plug for sealing off a well Method and bridge plug for sealing off a well

1982-12-02

1984-11-06

Novosad, Stephen J.

Wells

Packers or plugs

With expanding anchor

166382, 166217, E21B 33129

Patent

active

044806884

ABSTRACT:
A method for sealing off a section of tubing deep in a well comprises (1) permanently anchoring a tapered anchor in the tubing by lowering a beaded chain ring thereover for wedging the tapered anchor to the tubing at the desired position of sealing off of the tubing, and (2) fixedly attaching a bridge plug to the tubing by actuation of attaching means to the anchor for sealing off the section of tubing at the desired position. Likewise disclosed are a new bridge plug assembly, a new method for fishing for a cylindrical object deep in a well, a new fishing tool, and a new bridge plug element.

REFERENCES:
patent: 1117669 (1914-11-01), Hall
patent: 1137205 (1915-04-01), Hall
patent: 1452645 (1923-04-01), Klein
patent: 2618345 (1952-11-01), Tucker
patent: 2646845 (1953-07-01), Schillinger

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