DRILLING FLUIDS COMPRISING HYDROXYLATED POLYMERS
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United States of America Patent
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app pub date -
Jul 25, 2012
filing date -
Jun 15, 2005
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Abstract
Drilling fluids comprising polymers containing hydroxylated structural units are useful as accretion inhibiting agents, and/or as fluid rheology controlling agents, and/or as filtrate reducing agents, and/or as lubricating agents.
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