| 摘要 |
A drilling fluid additive is provided wherein the additive is manufactured by a method comprised of admixing colloidal solids such as talc with a combination of oil and glycol or cellulose to create a suspended mixture to thereby allow the colloidal solids to be pre-wet, treated or coated with the oil/glycol combination or the cellulose; and then admixing copolymer beads to the suspended mixture.
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