| 发明名称 |
SOURCE OF ACTION ON DEPOSIT CARRYING HYDROCARBON |
| 摘要 |
FIELD: oil and gas industry. SUBSTANCE: known gear to drive piles is used in oil and gas industry in the capacity of source of action on deposit carrying hydrocarbon. EFFECT: improved operational efficiency. |
| 申请公布号 |
RU94031147(A) |
申请公布日期 |
1996.06.10 |
| 申请号 |
RU19940031147 |
申请日期 |
1994.08.25 |
| 申请人 |
NAUCHNO-PROIZVODSTVENNOE PREDPRIJATIE "BIOTEKHINVEST" |
发明人 |
ANDREJTSEV S.V.;GORJUNOV A.V.;BELONENKO V.N.;BELONENKO F.N. |
| 分类号 |
E21B43/25 |
主分类号 |
E21B43/25 |
| 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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