AUTOMATIC SAFETY VALVE
A self-contained, automatic valve assembly designed to be anchored at the subsurface location within a well casing which extends into a subterranean formation employed to store pressurized gas. The valve is supported by a retrievable packer which anchors the valve within the casing and forms a seal...
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Main Author | |
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Format | Patent |
Language | English |
Published |
09.04.1974
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Subjects | |
Online Access | Get full text |
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