Apparatus for launching at least one plug into a tubular in a wellbore
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United States of America Patent
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Jun 12, 2001
Grant Date -
N/A
app pub date -
Jul 20, 1999
filing date -
Dec 6, 1996
priority date (Note) -
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Abstract
An apparatus for launching at least one plug into a tubular in a wellbore, in certain aspects, the apparatus having a hollow upper section with at least first and second upper ports one above the other, a landing seat, and a first fluid displaceable member below the second upper port, the hollow lower section adapted to retain a plug and having a first lower port and a landing collar for the fluid displaceable member.
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