Method for cleaning cement plug from wellbore liner

Details Method for cleaning cement plug from wellbore liner Method for cleaning cement plug from wellbore liner

1992-08-20

1994-02-01

Neuder, William P.

Wells

Processes

Cleaning or unloading well

166376, E21B 2900

Patent

active

052825094

ABSTRACT:
A procedure for drilling out a cement plug from a liner top using a drill bit with extendible cutting elements to avoid the need for changing bits during the procedure.

REFERENCES:
patent: 3126065 (1960-02-01), Chadderdon
patent: 3289760 (1964-02-01), Kammerer
patent: 5010955 (1991-04-01), Springer

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