| 发明名称 |
DEVICE FOR CLEANING, DEVELOPMENT AND INVESTIGATION OF WELL |
| 摘要 |
FIELD: oil and gas production industry. SUBSTANCE: device has pump-compression pipes with filter and packer with piston plugs located in them. Pipes have perforation openings located at boundary between upper and lower piston plugs. Located on pump-compression pipes in zone of perforation openings is coaxial chamber. Arranged above packer is flushing passage, and installed under filter is deep well pressure gauge. EFFECT: high efficiency. 1 dwgn
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| 申请公布号 |
RU2101470(C1) |
申请公布日期 |
1998.01.10 |
| 申请号 |
RU19960100211 |
申请日期 |
1996.01.04 |
| 申请人 |
ZAKRYTOE AKTSIONERNOE OBSHCHESTVO "SIBNEFTEPROEKT" |
发明人 |
MESHKOV A.V.;SHLEIN G.A.;JUMACHIKOV R.S.;KURAMSHIN R.M.;DEMENKO A.A.;MESHKOV A.V.;SHLEIN G.A.;JUMACHIKOV R.S.;KURAMSHIN R.M.;DEMENKO A.A. |
| 分类号 |
E21B43/00;(IPC1-7):E21B43/00 |
主分类号 |
E21B43/00 |
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