FIELD: oil and gas production.
SUBSTANCE: device includes perforated pipe area with thread on the ends with sleeve on one end, drain screen, filter-packets, filtering screen. Drain screen in a form of a pipe and located inside the pipe is equipped with filter-packets or sets of filter elements and covers in holes of pipe perforation. Each filtering element or set of elements is made of porous material. The covers are connected to the drain screen by ends of fixing wires. The covers have slots located transverse pipe axis and with shift of slot back edge along the product towards pipe axis and stabilisation of slots by wire passed through the slots and left in slots of one row, at least.
EFFECT: decrease of material consumption, increase of stability of performance characteristics.
5 cl, 7 dwg
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