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.
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申请公布号 |
US6405801(B1) |
申请公布日期 |
2002.06.18 |
申请号 |
US20000732861 |
申请日期 |
2000.12.08 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC.;HERCULES INCORPORATED |
发明人 |
VIJN JAN PIETER;DAO BACH;MELBOUCI MOHAND |
分类号 |
C04B24/38;C04B28/04;C09K8/46;(IPC1-7):E21B33/13 |
主分类号 |
C04B24/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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