Method and apparatus for testing the connections between pipe se

Details Method and apparatus for testing the connections between pipe se Method and apparatus for testing the connections between pipe se

1977-11-07

1979-05-08

Petrakes, John

Measuring and testing

With fluid pressure

Leakage

73 491, 277188A, G01M 328

Patent

active

041529260

ABSTRACT:
A method and apparatus of testing the connections between the pipe segments comprising a string of pipe being snubbed into a well under pressure immediately before such connections are forced into the pressurized well. There is provided gripping means which is vertically movable with respect to the well to grip the additional segments of pipe to be added to the string. Force means are secured to the gripping means to provide the force necessary to force the gripping means downwardly and thereby force the string of pipe with the additional segment connected therein further into the pressurized well. A testing apparatus is secured to the gripping means for externally testing the connection between the pipe string and the additional segment of pipe connected thereto. If the connection has no leak therein, the external testing means is released and the gripping means is extended upwardly to grip the string of pipe at its upper end thereof and the string of pipe is driven further into the pressurized well. If the connection has a leak therein, the external testing means is released and the additional segment of pipe is disconnected, the threads are inspected, and either a new connection made up with the same additional segment of pipe or between the string of pipe and a new additional segment of pipe.

REFERENCES:
patent: 2732268 (1956-01-01), Duval
patent: 2761311 (1956-09-01), Baker
patent: 3371521 (1968-03-01), Hauk
patent: 3897071 (1975-07-01), LeRouax
patent: 3921437 (1975-11-01), Hauk

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