FIELD: mining.
SUBSTANCE: installation consists of the first and the second cylinders. The first cylinder is equipped with a side valve with a filter and from below it is connected with a packer, which in its turn is connected with the second cylinder equipped with a side valve with a filter and a side opening. The second cylinder is connected to an adaptor equipped with a valve with a filter and connected to a polished tail, which is pressure tight installed in a polished cylinder of the packer-cut-off plate. Inside the first and the second cylinders there are installed plungers with valves, rigidly connected between them with a rod equipped with channels for produced liquid flow. The plungers are connected with a column of rods. The first cylinder is connected with a flow string.
EFFECT: there is facilitated working capacity at any values of pressure of operated reservoirs, also efficiency of pump in accordance with reservoir yields and possibility to operation of only one reservoir at complete isolation of another.
1 dwg
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