FIELD: tools for gravel packing and hydraulic puncture of well. SUBSTANCE: well filter includes main tube having gauze section and inner tube. The latter is located inside main tube and extends along entire length of main tube for shunting. There is aid providing for liquid communication of inner tube with outer part of well filter. This aid has ducts to feed pulp with gravel to various levels in circular space embracing filter. EFFECT: improved distribution of gravel over entire interval of well which corresponds to full packing of circular space of well along length of filter. 3 cl, 2 dwg
