Non-magnetic drill collar kit, non-magnetic drill collar and drilling instrument

The utility model discloses a non-magnetic drill collar suite, a non-magnetic drill collar and a drilling instrument, and relates to the technical field of drilling instruments. The non-magnetic drillcollar kit comprises a drill collar body, a positioning sleeve and a positioning piece, the positioning sleeve can be arranged in the drill collar body; the positioning sleeve is connected with the drill collar body through a positioning piece; the positioning sleeve can be sleeved on the outer wall of the generator; a positioning key is arranged on the positioning sleeve; the positioning key ismatched with the key groove formed in the outer wall of the generator, the positioning key and the positioning sleeve are integrally arranged, when the positioning key is damaged due to external force, the generator can be fixed again by replacing the positioning sleeve, the machining difficulty of machining the positioning key in the drill collar body is avoided, drilling work is recovered in time, and the working efficie