| 发明名称 |
LIGHTWEIGHT WELL CEMENT COMPOSITIONS AND METHODS |
| 摘要 |
<p>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.</p> |
| 申请公布号 |
EP1483220(B1) |
申请公布日期 |
2006.07.12 |
| 申请号 |
EP20020704921 |
申请日期 |
2002.03.06 |
| 申请人 |
HALLIBURTON ENERGY SERVICES, INC.;INSTITUT FRANCAIS DU PETROLE |
发明人 |
DAO, BACH;RAVI, KRISHNA, M.;VIJN, JAN, PIETER;NOIK, CHRISTINE;RIVEREAU, ALAIN |
| 分类号 |
C04B28/02;C04B14/24;C04B18/08;C04B18/14;C04B22/12;C04B24/16;E21B33/13 |
主分类号 |
C04B28/02 |
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