FIELD: oil and gas industry.
SUBSTANCE: invention relates to oil production, namely to intra-field oil pumping, and, in particular, to the pump assembly for group measuring plant, measuring group unit and method of its operation at transportation of gas-liquid mixture with high gas factor. In the first aspect of the invention the pump assembly is suggested, providing a sparing mode of operation of pump unit by means of simple design of the pump assembly, which increases overhaul interval equipment while ensuring reliability and stability of transportation of gas-liquid mixture with high gas factor in systems for intra-field oil pumping. Additional aspects of the invention proposes group meter station unit for collecting and recording fluid from wells containing pump assembly in the first aspect of the invention, and method of its operation.
EFFECT: pump assembly, providing an easier mode of operation of pump unit by means of simple design of the pump assembly.
24 cl, 2 dwg
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