| 发明名称 |
Stage tool apparatus and components for same |
| 摘要 |
A stage tool apparatus (10) and components for same are described. In several exemplary embodiments, the stage tool apparatus is part of tubular string or casing positioned within a preexisting structure such as, for example, a wellbore (60). |
| 申请公布号 |
EP2767671(A2) |
申请公布日期 |
2014.08.20 |
| 申请号 |
EP20140154928 |
申请日期 |
2014.02.12 |
| 申请人 |
TOP-CO CEMENTING PRODUCTS INC. |
发明人 |
ANDRIGO, GREGORY JAMES ALEXANDER |
| 分类号 |
E21B33/14;E21B29/00;E21B33/16 |
主分类号 |
E21B33/14 |
| 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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