| 发明名称 |
A PERMANENT BYPASS WHIPSTOCK ASSEMBLY FOR DRILLING AND COMPLETING A SIDETRACK WELL AND PRESERVING ACCESS TO THE ORIGINAL WELLBORE |
| 摘要 |
<p>The present invention relates to drilling lateral wells or sidetrack wells from a primary wellbore to enhance the efficiency and productivity of oil and gas wells.</p> |
| 申请公布号 |
CA2707136(C) |
申请公布日期 |
2015.10.13 |
| 申请号 |
CA20102707136 |
申请日期 |
2010.06.09 |
| 申请人 |
CONOCOPHILLIPS COMPANY |
发明人 |
HEARN, DAVID D.;GANTT, LAMAR L.;VENHAUS, DAN E.;ELLER, JOHN G. |
| 分类号 |
E21B7/00;E21B7/04 |
主分类号 |
E21B7/00 |
| 代理机构 |
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代理人 |
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