发明名称 |
Compositions and methods for completing subterranean wells |
摘要 |
Spacer fluids that are stable at temperatures up to at least 300°C comprise water, polystyrene sulfonate and a mixture of particulate materials. The particulate materials may be chosen such that the mixture has at least a trimodal particle-size distribution. The fluids may further comprise inorganic clays, mutual solvents and surfactants. |
申请公布号 |
EP2676944(A1) |
申请公布日期 |
2013.12.25 |
申请号 |
EP20120305727 |
申请日期 |
2012.06.22 |
申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER HOLDINGS LIMITED;PRAD RESEARCH DEVELOPMENT LIMITED |
发明人 |
MICHAUX, MICHEL;CARITEY, JEAN-PHILIPPE;GABILLY, LAURENT |
分类号 |
C04B28/02;C09K8/40;C09K8/42 |
主分类号 |
C04B28/02 |
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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