| 发明名称 |
METHOD FOR RUNNING AND CASING BRANCHED HOLE |
| 摘要 |
FIELD: well drilling. SUBSTANCE: main shaft is drilled up to the deepest branching. Then the main shaft is cased by casing string, then additional shafts are drilled and cased. EFFECT: simplified technology. 1 dwg |
| 申请公布号 |
RU94021154(A) |
申请公布日期 |
1996.08.20 |
| 申请号 |
RU19940021154 |
申请日期 |
1994.06.07 |
| 申请人 |
LATYPOV T.T.;KURAMSHIN R.M. |
发明人 |
LATYPOV T.T.;KURAMSHIN R.M. |
| 分类号 |
E21B7/04 |
主分类号 |
E21B7/04 |
| 代理机构 |
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