Cell for testing the sealing quality of an oil-well safety-valve

Details Cell for testing the sealing quality of an oil-well safety-valve Cell for testing the sealing quality of an oil-well safety-valve

1986-10-29

1988-09-20

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

E21B 4700

Patent

active

047716339

ABSTRACT:
A cell for testing the sealing of an oil-well safety valve with a tubular valve body comprising at its lower part a balancing gate (13) and a shutter (11), the test cell including a tubular enclosure (22) designed to be fixed around the lower valve part by a fastening ring (212) and keys (213, 214), a first conduit (209) associated with seals (205, 206) and capable of being pressurized for testing the sealing of the gate (13), and a second conduit (211) capable of being pressurized for separately testing the sealing of the shutter (11).

REFERENCES:
patent: 4337653 (1982-07-01), Chauffe

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