发明名称 |
Selvtilpassende sementsystemer |
摘要 |
A composition for well cementing comprising water, cement and a blend of solid material wherein said material comprises a mixture of at least two additives selected from the list consisting of rubber, poly 2 2 1 bicyclo heptene (polynorbomene), alkylstyrene, crosslinked substituted vinyl acrylate copolymers and diatomaceous earth |
申请公布号 |
NO20055405(D0) |
申请公布日期 |
2005.11.15 |
申请号 |
NO20050005405 |
申请日期 |
2005.11.15 |
申请人 |
SCHLUMBERGER TECHNOLOGY BV |
发明人 |
GUILLOT DOMINIQUE;NELSON ERIK B;DISMUKE KEITH;ROY-DELAGE SYLVAUNE LE |
分类号 |
C04B28/02;C04B40/06;C09K8/467 |
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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