To shut in a well by closing the blowout preventer with the choke and choke line valve open, then closing the choke while monitoring the casing pressure gage for maximum allowable casing pressure.
Soft Shut In
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To shut in a well by closing the blowout preventer with the choke and choke line valve open, then closing the choke while monitoring the casing pressure gage for maximum allowable casing pressure.
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