FIELD: oil and gas industry.
SUBSTANCE: increase of efficiency of technological processes of gas production as a result of the integrated use of formation gas pressure energy throughout the entire period of field development using a reversible expander-compressor (ODKU). According to the proposed invention, the ODKU contains a reversible screw expander-compressor (OVDK) and a reversible power generator-motor. OVDK is designed to perform the following process functions: in the expander mode, to produce mechanical energy (at the initial stage of field operation), in the compressor mode, to increase the gas flow pressure (after lowering the wellhead pressure).
EFFECT: reversible power generator-motor performs the functions of a consumer and a drive motor.
1 cl, 2 dwg
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