SELF FILLING CASING
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United States of America Patent
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Issued Date -
Mar 24, 2016
app pub date -
May 15, 2014
filing date -
May 15, 2013
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Abstract
A method and apparatus for running a casing string into a wellbore. In one embodiment the string includes an impeller at a lower end thereof. As the string is rotated in the wellbore, the rotating impeller urges fluid into the string.
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