Shutdown system for high pressure well

Details Shutdown system for high pressure well Shutdown system for high pressure well

1977-08-16

1978-08-29

Purser, Ernest R.

Wells

Automatic

137487, 175 25, E21B 4312

Patent

active

041097149

ABSTRACT:
A normally open shutdown system for a high pressure gas well is disclosed which comprises a pressure-operated motor valve, a pressure sensor, and a pressure regulator, all on a conduit installed in the high pressure line leading from the gas well.

REFERENCES:
patent: 2447408 (1948-08-01), Griswold
patent: 2649115 (1953-08-01), Deardorff
patent: 3294111 (1966-12-01), Abercrombie et al.
patent: 3512560 (1970-05-01), Weise
patent: 3572359 (1968-08-01), Weise
patent: 3716074 (1973-02-01), Peters
patent: 3863714 (1975-02-01), Watson, Jr.

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