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Brønnboringsfluid og fremgangsmåte til å bore et underjordisk hull med et invert emulsjonsborefluid
Brønnboringsfluid og fremgangsmåte til å bore et underjordisk hull med et invert emulsjonsborefluid
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机译:井钻井液和用反乳化钻井液钻井的方法
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摘要
A wellbore fluid that includes an oleagninous continuous phase; a non-oleaginous phase; and a polymeric additive formed by reaction of at least one lipophilic epoxy modifier and at least one epoxide-reactive agent, wherein the at least one epoxide-reactive agent comprises at least one selected from lignins, tannins, biopolymers, starches, carboxy methyl cellulose, polyacrylates, polyacrylamides, and synthetic polymers is disclosed.
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