Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John W. Chapman0
Date of Patent
February 21, 2017
0Patent Application Number
141271530
Date Filed
June 22, 2012
0Patent Citations Received
Patent Primary Examiner
Patent 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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