发明名称 Hydrophobically modified fluid loss additives and viscosifier products
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.
申请公布号 US7786052(B2) 申请公布日期 2010.08.31
申请号 US20070760543 申请日期 2007.06.08
申请人 M-I L.L.C. 发明人 BALLARD DAVID ANTONY
分类号 C09K8/60;C09K8/24;E21B21/00 主分类号 C09K8/60
代理机构 代理人
主权项
地址