Diverter valve

Details Diverter valve Diverter valve

1981-06-05

1983-11-08

Purser, Ernest R.

Boring or penetrating the earth

Automatic control

In response to drilling fluid circulation

175218, 166364, 137529, 137535, 137542, E21B 2110

Patent

active

044136889

ABSTRACT:
Diverter valve for preventing blow-outs in oil wells during the early stages of drilling. The diverter valve has a simplified construction which reduces maintenance problems during use in the field.

REFERENCES:
patent: 1753024 (1930-04-01), Rode
patent: 2245210 (1941-06-01), McElwaine
patent: 2879794 (1959-03-01), Costello
patent: 2954742 (1960-10-01), Williams
patent: 3744751 (1973-07-01), Robinson
patent: 3917008 (1975-11-01), Suter
patent: 4308916 (1982-01-01), Fritz, Jr.

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