发明名称 |
DUAL-BOP AND COMMON RISER SYSTEM |
摘要 |
The disclosure is drawn to methods of drilling wells utilizing blow out prevention components of differing pressure ratings. In the initial drilling phase, a lower pressure rated blow out prevention component is used. In a subsequent drilling phase where a reservoir of a natural resource is penetrated, a higher pressure rated blow out prevention component is used. |
申请公布号 |
EP1963615(A4) |
申请公布日期 |
2015.05.13 |
申请号 |
EP20060848464 |
申请日期 |
2006.12.22 |
申请人 |
TRANSOCEAN OFFSHORE DEEPWATER DRILLING INC. |
发明人 |
KEENER, CHIP |
分类号 |
E21B29/12;E21B19/00;E21B33/038;E21B33/064 |
主分类号 |
E21B29/12 |
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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