Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 27, 2016
Patent Application Number
13058136
Date Filed
August 11, 2009
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A method is disclosed for reducing lost circulation in drilling wells, employing composite materials as lost circulation materials. The composites comprise a thermoplastic polymer and cellulosic fibers. Optionally the composites may include other components such as calcium carbonate, clay, oil and other blending agents.
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