Seal for a joint or juncture – Seal combined with indicator – sampler – or inspection feature – Fluid pressure
Patent
1995-07-20
1998-05-26
Cuchlinski, Jr., William A.
Seal for a joint or juncture
Seal combined with indicator, sampler, or inspection feature
Fluid pressure
277320, 277329, 277518, 277529, 277562, 277914, F16J 1518
Patent
active
057553726
ABSTRACT:
A seal system for an oil well head, wherein the shaft rotates about its axis to drive a progressive cavity type pump. Primary and secondary polytetrafluoroethylene seals surround a sleeve that encircles the shaft. Pressure detectors connect to the space between the seals to detect leaks past the primary seal and signal a remote repair facility. The secondary seal assumes the sealing function while repairs are scheduled.
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Beres John L.
Cuchlinski Jr. William A.
Jacobs Marvin E.
Ocean Engineering & Manufacturing, Inc.
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