A water distributor

Abstract

A water distributor relates to the technical field of oilfield downhole tools, which comprises an outer shell, the inner side of the outer shell is provided with an outer sliding sleeve, the inner side of the outer sliding sleeve is provided with an inner sliding sleeve, the lower part of the inner sliding sleeve is in sliding seal with the outer shell, the upper part of the inner sliding sleeve is provided with a locking ring on the outer side, the outer side of the locking ring is provided with a ratchet, and the inner side of the corresponding outer sliding sleeve is also provided with a ratchet; the side wall of the inner sliding sleeve is provided with a first-stage flow aperture A and a second-stage flow aperture, the side wall of the outer shell is provided with a first-stage flow aperture B and a third-stage flow aperture; in the initial state, the first-stage flow aperture B is located below the outer sliding sleeve, the third-stage flow aperture is blocked by the outer sliding sleeve, and the first-stage flow aperture A and the second-stage flow aperture are located below the outer sliding sleeve; in the further state, the inner sliding sleeve is slid upward to block the first-stage flow aperture A; in the further state, the inner sliding sleeve and the outer sliding sleeve are slid downward to leak the third-stage flow aperture and block the first-stage flow aperture B.

Images