FIELD: oil-and-gas-producing industry. SUBSTANCE: plant comprises pull-out string and pumping unit disposed in well. Said pumping unit has an electric motor with main and auxiliary pumps. The latter is installed under the electric motor, has a drive shaft and is connected with a drill bit for breaking sand plug. The drill bit is connected with drive shaft of auxiliary pump by turbotransformer. In case of hard rocks the plug is broken with the drill bit. EFFECT: improved design. 2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| BOREHOLE PUMPING UNIT | 0 |
|
SU1359490A1 |
| METHOD AND DEVICE FOR SIMULTANEOUS SEPARATE EXPLOITATION OF SEAMS | 1991 |
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| WELL COMPLETION METHOD | 2017 |
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| METHOD FOR REMOVAL OF COMPACTED PLUG FROM WELL | 2020 |
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| SUBMERSIBLE PUMPING UNIT | 2010 |
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RU2415303C1 |
