Hydrostatic tester for plastic lined pipe and fiberglass pipe

Details Hydrostatic tester for plastic lined pipe and fiberglass pipe Hydrostatic tester for plastic lined pipe and fiberglass pipe

1980-05-01

1981-12-15

Woodiel, Donald O.

Measuring and testing

With fluid pressure

Leakage

73496, G01M 328

Patent

active

043052770

ABSTRACT:
An elongate hydrostatic tester that includes two longitudinally spaced resilient packers, and a pair of oppositely disposed, pivotally supported rigid wings that are spring-loaded, and which wings at all times tend to pivot outwardly from a first position in which they are substantially parallel to the tester to a second position in which they are normal thereto. The pair of wings prevents the tubing tester from dropping downwardly by gravity in a tubing string when the tester is otherwise supported in the upper portion thereof.

REFERENCES:
patent: 2953919 (1960-09-01), Potts
patent: 2981331 (1961-04-01), Arterbury
patent: 2982125 (1961-05-01), Gilreath
patent: 3048998 (1962-08-01), Gilreath
patent: 3375703 (1968-04-01), Phillips et al.
patent: 3420095 (1968-01-01), Brown et al.
patent: 3800596 (1974-04-01), Phillips et al.
patent: 4083230 (1978-04-01), Rome et al.

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