FIELD: process engineering.
SUBSTANCE: invention relates to fabrication and installation of borehole radial-flow filter for water-, gas- and oil production wells. Method of borehole filter production comprises fitting tube of required length and diameter with filtration section into lathe and arranging filtration element on filtration section outer surface. Filtration element with annulus is produced on fitting inner tube whereon outer recesses are made. Note here that rigid spacer and filtration filler are fitted into annulus. Note also that outer recesses on inner and outer tubes allow expansion to produce slots after local destruction of tube material in tube mandrelling after its placing in borehole in installation interval.
EFFECT: saving of materials and time, higher efficiency.
2 dwg
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