发明名称 |
Lightweight well cement compositions and methods |
摘要 |
Lightweight cement compositions and methods of cementing a subterranean zone penetrated by a well bore utilizing the compositions are provided. A lightweight cement composition of the invention is basically comprised of a coarse particulate hydraulic cement, an ultrafine particulate hydraulic cement mixture comprised of slag cement and a Portland or equivalent cement, fly ash, fumed silica, hollow glass spheres and water.
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申请公布号 |
US6776237(B2) |
申请公布日期 |
2004.08.17 |
申请号 |
US20030372379 |
申请日期 |
2003.02.21 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
DAO BACH;RAVI KRISHNA M.;VIJN JAN PIETER;NOIK CHRISTINE;RIVEREAU ALAIN |
分类号 |
C04B7/52;C04B28/02;C09K8/46;(IPC1-7):E21B33/13 |
主分类号 |
C04B7/52 |
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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