发明名称 |
Water-microsphere suspensions for use in well cements |
摘要 |
<p>Storable water-microsphere suspensions for use in well cements are basically comprised of water, microspheres and an effective amount of a suspending agent selected from microfine or colloidal materials and gel forming polymers. The suspensions are mixed with a well cement composition, and the composition is then introduced into a well and allowed to set.</p> |
申请公布号 |
EP1348831(A1) |
申请公布日期 |
2003.10.01 |
申请号 |
EP20020257612 |
申请日期 |
2002.11.04 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
VIJN, JAN PIETER;DAO, BACH |
分类号 |
C04B40/00;C09K8/46;(IPC1-7):E21B33/13 |
主分类号 |
C04B40/00 |
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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