FIELD: mining.
SUBSTANCE: invention relates to a method for increasing efficiency of formation fluids production. Method includes lowering of open bottom pipe into borehole of oil producing well to preset depth of productive interval determined by characteristics of well production. Method also includes dividing the entire productive interval into separately operating intervals determined from the points of formation fluids extraction by the open inlet of the lowered pipe. External casing packers are run in together with the lowered pipe to isolate the annular space between the lowered pipe and the open borehole. At least one packer is fixed on the lowered pipe near the open end of the pipe.
EFFECT: increase of well flow rate.
5 cl, 12 dwg
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