Non-rotating plug set

Details Non-rotating plug set Non-rotating plug set

1988-11-02

1989-08-22

Novosad, Stephen J.

Wells

Pistons, fluid driven into well

166156, 166192, E21B 3316

Patent

active

048586870

ABSTRACT:
The plug set of the present invention comprises an upper plug having a non-rotation insert retained therein and a lower plug having two non-rotation inserts retained therein. The present invention further includes the use of a non-rotation insert in the floating equipment with which the plug set of the present invention is used.

REFERENCES:
patent: 4175619 (1979-11-01), Davis
patent: 4190111 (1980-02-01), Davis
patent: 4190112 (1980-02-01), Davis

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