Drilling rig for oilfield exploration and development

The utility model relates to the technical field of oil exploration, in particular to a drilling rig for oil field exploration and development, which is detachable and convenient to carry and comprises a shell and a mounting carrier serving as parts. The rotating disc is rotationally mounted at the lower part in the shell, and a plurality of clamping grooves are uniformly formed in the rotating disc at intervals; the mounting seat is fixedly connected to the turntable; the sliding plates are uniformly arranged on the mounting seat at intervals in a sliding manner, and the number of the sliding plates is six; according to the drilling machine, the pull rope is connected with the drill bit, the fixing block is moved to achieve displacement of the sliding plate and the limiting plate, the limiting plate is clamped with the clamping groove in the rotary disc to achieve installation of the drill bit, and the servo motor is started to drive the drill bit to conduct drilling operation on a standard datum point on th