Wells – Valves – closures or changeable restrictors – Fluid operated
Patent
1995-08-25
1996-04-30
Schoeppel, Roger J.
Wells
Valves, closures or changeable restrictors
Fluid operated
166327, E21B 3410
Patent
active
055116183
ABSTRACT:
A fill valve includes a tubular housing which accommodates a valve member which is biased toward a closed position by a light spring. The valve member includes a head and a tubular portion which is provided with two large windows. When the fill valve is open fluid flows freely through the tubular portion of the fill valve and out of the windows.
REFERENCES:
patent: 2748873 (1956-06-01), Baker et al.
patent: 3273650 (1966-09-01), Alexander et al.
patent: 3967680 (1976-07-01), Jeter
patent: 4625755 (1986-12-01), Reddoch
patent: 4955949 (1990-09-01), Bailey et al.
patent: 4962819 (1990-10-01), Bailey et al.
patent: 5450903 (1995-09-01), Budde
McClung Guy
Schoeppel Roger J.
Weatherford / Lamb, Inc.
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