Novel V-shaped precise micro-crack self-cleaning sand control nipple

The invention relates to the technical field of oilfield development, in particular to a novel V-shaped precise micro-crack self-cleaning sand-prevention short section which comprises a branch pipe, a plurality of through openings are formed in the pipe wall of the branch pipe in the axial direction, sand-prevention protective covers are connected into the through openings in a clamped mode, and auxiliary mechanisms used for reducing sand grains from blocking dead corners of an outer cover are arranged in the sand-prevention protective covers. The sand prevention shield is provided with a micro-crack filtering mechanism used for preventing silt from entering the branch pipe, and a multi-stage filtering assembly for blocking the silt is arranged in the sand prevention shield. According to the novel V-shaped precise micro-crack self-cleaning sand prevention short section, by arranging the auxiliary assembly, blocked sand cannot block dead corners on the outer side of the sand prevention protective cover as much