HE Starch
HE Starch :
(n). Drilling Fluids. A nonionic starch derivative, analogous to hydroxyethylcellulose in its method of manufacture and most applications for drilling, workover and completion fluids. Rather than using a cellulosic starting material, such as hydroxyethylcellulose (HEC), starch is used instead, and reacted with ethylene oxide in an alkaline environment. Alt. form: hydroxyethyl starch. See: saltwater mud.
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