FIELD: hydrocarbon deposit development, particularly to operate wells having highly-viscous oil products.
SUBSTANCE: method involves measuring producing well yield with the use of submersed pumping equipment including screw pump, wherein the screw pump is activated by means of submersible hydraulic positive displacement motor and is connected to pipe string provided with sealing means and packer and inserted in well, pipe string is made as continuous flexible pipe arranged so that sealing means pass in packer mandrel; injecting working liquid into flexible pipe; pumping out working liquid mixed with hydrocarbon through hole annuity; measuring flow rate of liquid going out of well; determining production index of well and choosing screw pump for well operation. Device for described method realization comprises packer with mandrel, sealing means, hydraulic drive and screw pump. Said components may be removed from well and are suspended to flexible pipe so that sealing means are inserted in packer mandrel.
EFFECT: decreased pumping equipment lowering and lifting time, reduced power inputs and well testing costs.
4 cl, 1 dwg
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