FIELD: oil production industry. SUBSTANCE: this relates to lifting oil and other liquids from wells which provided with hydraulic actuation equipment. According to method, hydrodynamic investigations are performed. Input and output rates of working liquid are checked. Optimal operation modes are evaluated and, selected are components of jet pump with definite geometrical dimensions. Bottom-hole pressures are determined by calculation at operation of jet pump at transient mode. Working liquid flow rate and well output values are defined. Optimal operation mode is assessed according to maximal values of efficiency at required productivity, recalculation of jet pump component dimensions, replacement of components and final control of buttonhole pressure, working liquid flow rate and well output. For this purpose flow switch is installed between well, gravitational separator and collection system. Gravitational separator mass sensor registers changing of mass in time for preset value within limits of permissible change of liquid level in separator and acts upon flow switch for ensuring periodic evaluation of working liquid flow rate and productive output of jet pump. EFFECT: high efficiency. 2 cl, 1 dwg
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|---|---|---|---|
| JET APPARATUS | 1991 |
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