FIELD: action on pool by forming depression. SUBSTANCE: proposed plant includes casing string, packer and jet apparatus which consists of at least two self- contained parts including active nozzles, mixing chambers and diffusers fitted with valves; valve of active nozzle chamber in upper portion of jet apparatus is simultaneously used as diffuser valve in lower portion of jet apparatus. EFFECT: reduced labor consumption. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PUMPING UNIT | 2001 |
|
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RU2221129C2 |
