What is PHPA? Indetail
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Drilling Fluids] A class of water muds that use partially-hydrolyzed polyacrylamide (PHPA) as a functional additive, either to control wellbore shales or to extend bentonite clay in a low-solids mud.
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PHPA mud - Schlumberger Oilfield Glossary English | Español. 1. n. [ Drilling Fluids] A class of water muds that use partially-hydrolyzed polyacrylamide (PHPA) as a functional additive, either to control wellbore shales or to extend bentonite clay in a low-solids mud.
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