The invention discloses equipment for clamping a petroleum drilling tool. The equipment comprises a positioning seat, a moving plate, a screw and abutting assemblies. A positioning plate is arranged at one end of the positioning seat. The upper surface of the positioning seat is provided with a through groove, and the moving plate is located on the upper surface of the positioning seat. A sliding block is arranged at the end, close to the positioning seat, of the moving plate and located in the through groove, and the screw is located in the through groove. One end of the screw is rotationally connected with the positioning plate, and the other end of the screw rod penetrates through the sliding block and then is positioned on the outer side of the through groove; and each abutting assembly is located above the upper surface of the positioning seat, and one end of each abutting piece penetrates through the positioning plate. Through combination of the abutting assemblies and the moving plate, shaking of a petroleum drill bit is limited, and the situation that the oil well drill bit topples due to shaking caused by repairing is avoided; and the oil well drill bit can be smoothly repaired, and the situation that the oil well drill bit topples and injures feet of workers by crushing is avoided.