Subsurface transient pressure testing apparatus and method of us

Details Subsurface transient pressure testing apparatus and method of us Subsurface transient pressure testing apparatus and method of us

1974-11-06

1976-06-29

Novosad, Stephen J.

Wells

Combined

166151, 166153, 166188, 166250, E21B 47022, E21B 4710, E21B 3312

Patent

active

039659780

ABSTRACT:
Wireline apparatus and method for measuring pressure downhole in well tubing comprising a main plug body which seats in a seating nipple forming part of the tubing, a pressure gauge in communication with the tubing below the main plug body, and means for equalizing the tubing pressure above and below the seated main plug body so that the apparatus may be removed from the well.

REFERENCES:
patent: 1946576 (1934-02-01), Dunn et al.
patent: 1955855 (1934-04-01), Marx
patent: 2223913 (1940-12-01), Johnston
patent: 2776015 (1957-01-01), Bielstein
patent: 2999545 (1961-09-01), Bigelow
patent: 3070167 (1962-12-01), Loy et al.

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