Efficient sand remover for petroleum resource exploration

The utility model relates to the technical field of oil exploration, and discloses an efficient sand remover for oil resource exploration, which comprises an outer sleeve, a primary filter cartridge is arranged in the middle of the upper side of the outer sleeve, an inner sleeve is arranged in the middle of the lower side of the outer sleeve, and a connecting ring is rotatably connected to the middle upper part of the inner side wall of the inner sleeve. According to the petroleum filtering device, gravels in petroleum are preliminarily filtered out through the first-stage filter screen, the second-stage filter screen and the third-stage filter screen in the first-stage filter cylinder, then the petroleum is further filtered through the filter holes in the second-stage filter cylinder, the filtering effect is improved, the second-stage filter cylinder is driven by the motor to rotate at a high speed, and the filtering effect is improved. Petroleum entering the second-stage filter cartridge can be thrown out o