| 摘要 |
FIELD: oil-and-gas production. ^ SUBSTANCE: invention related mining industry, particularly to oil-and-gas production and can be used in oil fields development. Well filter with a low hydraulic friction consists of nipple and sleeve parts and filtrating element as it case. Filtrating element executed as a slot made of welded metal construction consisting of ribs located along the axis, to which crossed shaped wire welded around with a gap, executed as a triangle with rounded angles. In the way that ratio of ribs height and the crossed shaped ware is in range of 1.0Ç10. ^ EFFECT: well filter design simplification and cost cutting. ^ 2 cl, 4 dwg |
