Test tool for sub-sea well head housings and method of testing

Details Test tool for sub-sea well head housings and method of testing Test tool for sub-sea well head housings and method of testing

1980-12-09

1983-02-15

Ruehl, Charles A.

Measuring and testing

With fluid pressure

Leakage

73 491, G01M 328

Patent

active

043733808

ABSTRACT:
A combined well head housing test tool and well head leak isolation tool is disclosed. Annular seals to test the integrity of well head housing sealing surfaces are energized by pressurized fluid delivered through a dart in the center bore of a tool mandrel and through a radial port of the mandrel to a piston actuator which acts on the seals to energize them. Test fluid under test pressure is separately delivered to a chamber of the tool in communication with the seals through a port formed internally in a combined nut and seal support unit.

REFERENCES:
patent: 3165919 (1965-01-01), Loomis
patent: 3165920 (1965-01-01), Loomis
patent: 3420095 (1969-01-01), Brown et al.
patent: 3503249 (1970-03-01), Dumond
patent: 3787226 (1974-01-01), Iglehart et al.
patent: 4081990 (1978-04-01), Chatagnier
patent: 4116044 (1978-09-01), Garrett
patent: 4152924 (1979-05-01), Mayo

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