Multi -functional concentric injection allocation ware

The utility model relates to a multi -functional concentric injection allocation ware, it includes top connection (1), adapter sleeve (2), main part (3) and lower clutch (4), be equipped with swirel (5) and endotheca (6) in adapter sleeve (2), the below of swirel (5) is equipped with upper end and swirel (5) normal running fit rotator (7), be equipped with core cover (8) of suit in endotheca (6) and main part (3) centre bore in adapter sleeve (2), second section suit of rotator (7) is in core cover (8), be equipped with one section internal thread on the inner wall of core cover (8), be equipped with the external screw thread that closes with interior thread to match on the outer wall of rotator (7). It both can be used for the water injection, can be used for again annotating gathering and the profile control. It does not need after its water injection more the tube replacement post to annotate to gather the operation, do not need to change repeatedly and throw to drag for to annotate to gather the ware core