Hydraulic pipe testing tool with combined anti-extrusion and anc

Details Hydraulic pipe testing tool with combined anti-extrusion and anc Hydraulic pipe testing tool with combined anti-extrusion and anc

1982-07-30

1984-09-04

Goldberg, Gerald

Measuring and testing

With fluid pressure

Leakage

73 46, G01M 328

Patent

active

044689527

ABSTRACT:
In accordance with an illustrative embodiment of the present invention, a hydraulic pipe testing tool comprises a body member carrying longitudinally spaced, normally retracted packing and anti-extrusion members that are expanded into sealing and abutting engagement with the surrounding walls of a well pipe being tested. The anti-extrusion member includes inwardly biased arcuate segments that carry gripping elements which bite into the pipe to anchor the tool against longitudinal movement during testing operations.

REFERENCES:
patent: 3371521 (1968-03-01), Hauk
patent: 3503249 (1970-03-01), Dumond
patent: 3921437 (1975-11-01), Hauk
patent: 4010633 (1977-03-01), Hasha
patent: 4182159 (1980-01-01), Churchman

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