Multiple stage tool for use with plunger lift
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United States of America Patent
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Feb 1, 2011
Issued Date -
N/A
app pub date -
Mar 19, 2008
filing date -
Mar 19, 2007
priority date (Note) -
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Abstract
A multiple stage tool for use with plunger lift is disclosed. The disclosed device can be removably positioned at a desired position in a well's tubing, thus providing an upper limit for the travel distance of a first plunger. Subsequent well tubing partitions can be established with the introduction of subsequent plungers followed by the disclosed device.
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