Wellbore fluid
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United States of America Patent
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Feb 21, 2017
Grant Date -
Jan 22, 2015
app pub date -
Jun 22, 2012
filing date -
Jun 23, 2011
priority date (Note) -
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Abstract
The present invention provides a wellbore fluid, such as a drilling, completion or workover fluid, said wellbore fluid comprising a glucomannan additive. Further provided is a method of forming a gel plug from the wellbore fluid, a method of modifying the properties of a wellbore fluid, a method of drilling a subterranean hole with such a fluid and the use of glucomannan in wellbore fluids.
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