FIELD: well drilling. SUBSTANCE: equipment has supplying unit in form of siphon including cap 4 with receiving funnel 3 and telescopic tube 1 with stuffing box seal 7 for attachment to stop flange 8 of well working pipe 2. Telescopic tube 1 and funnel 3 are connected to each other by means of flanges 5 and 6. Device for vertical motion is connected to cap 3 and flange 6 of receiving funnel 3. Device for measuring flow rate is made in form of vacuum gage 12 communicated with the aid of pulse tube 13 to hole in upper part of cap 4. Air discharge unit is made in form of tube 15 with check valve 16. Tube 15 is communicated with annular hollow between the well flow tubing and telescopic tube 1. EFFECT: higher efficiency. 2 cl, 1 dwg
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