| 发明名称 |
TURBO-DRILL |
| 摘要 |
drilling equipment. SUBSTANCE: given turbo-drill includes turbine sections housing stage of power device and stages of hydrodynamic brake . Number of above-mentioned stages is found proceeding from specified parameters of drilling condition by proposed mathematical dependencies. EFFECT: raised efficiency of hole drilling. 1 dwg
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| 申请公布号 |
RU2164581(C2) |
申请公布日期 |
2001.03.27 |
| 申请号 |
RU19990111353 |
申请日期 |
1999.05.31 |
| 申请人 |
NSTITUT PRIRODNOGO GAZA I GAZOVYKH TEKHNOLOGIJ (TJ;TJUMENSKIJ NI I P I;NSTITUT PRIRODNOGO GAZA I GAZO |
发明人 |
KRYLOV G.V.;SHTOL' V.F.;SEKHNIASHVILI V.A.;VJAKHIREV V.I.;IPPOLITOV V.V.;PODSHIBJAKIN V.V.;SEVODIN N.M.;GRITSANENKO M.F.;TURSHIEV A.P.;SHESTERIKOV M.N. |
| 分类号 |
E21B4/02;(IPC1-7):E21B4/02 |
主分类号 |
E21B4/02 |
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