FIELD: oil and gas industries for recovery of oil from wells producing formation fluids at high content of gas. SUBSTANCE: pumping unit includes sucker-rod string and tubing. casing provided with perforations is connected with tubing by means of divider. Sucker-rod pump is located in casing at clearance. Casing is provided with calibrated orifice in its lower portion. EFFECT: stabilized operation of pump. 2 dwg
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|---|---|---|---|
| WELL ROD PUMP UNIT | 0 |
|
SU1756626A1 |
| ROD PUMPING INSTALLATION | 2000 |
|
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| DEVICE FOR OIL PRODUCTION WITH DOWNHOLE SEPARATION | 2014 |
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| METHOD OF OIL RECOVERY AT LATE STAGES OF OIL DEPOSIT DEVELOPMENT AND DEVICE ITS EMBODIMENT | 1998 |
|
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| DUAL STRING PRODUCTION METHOD IN WELL WITH INCREASED GAS RATIO AND DEVICE FOR ITS IMPLEMENTATION | 2012 |
|
RU2513566C2 |
