发明名称 Environmentally acceptable well cement fluid loss control additives, compositions and methods
摘要 Environmentally acceptable well cement fluid loss control additives, cement compositions including the additives and methods of using the compositions are provided. The environmentally acceptable fluid loss control additives are comprised of ethoxylated hydroxyethylcellulose having a reduced molecular weight.
申请公布号 US2002162486(A1) 申请公布日期 2002.11.07
申请号 US20020135753 申请日期 2002.04.30
申请人 VIJN JAN PIETER;DAO BACH;MELBOUCI MOHAND 发明人 VIJN JAN PIETER;DAO BACH;MELBOUCI MOHAND
分类号 C04B24/38;C04B28/04;C09K8/46;(IPC1-7):C04B16/02 主分类号 C04B24/38
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