FIELD: oil production of sandy wells. SUBSTANCE: device has slotted wire strainer and provided with pipe string with perforated branch pipe in its lower part which is plugged from below. Branch pipe has collar seals directed to opposite sides for conjugation with inner surface of strainer. They are spaced from one another at distance multiple to strainer slot height. Strainer consists of separate sections. Packer members are made of low-melting material. Metal packing rings of strainer are made for expansion of their diameter under the action of heat and installed in zone of plastic flow of packer member materials. Besides, packer members are made of bitumen, and packing rings are bimetallic. EFFECT: higher efficiency of device operation. 7 dwg
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