a workover rig, a derrick floor, an elevator, a monkey-board string automatic placement apparatus, a slip, an oil field workover operation device, a power clamp, and a derrick floor pipe handling manipulator,

wherein the workover rig, the derrick floor, the elevator, the monkey-board string automatic placement apparatus, the slip, the oil field workover operation device, the power clamp, and the derrick floor pipe handling manipulator cooperate with each other to realize a lifting operation and a lowering operation of a string at a wellhead, and

wherein the workover rig has a derrick, the workover rig is arranged along a front-rear direction of the automated equipment, and the derrick is disposed at a rear end portion of the workover rig and aligned with the wellhead;

the derrick floor is placed on a ground and disposed at the wellhead, and the derrick floor is disposed adjacent to the derrick; and

the oil field workover operation device is positioned on one side of the wellhead in a left-right direction of the automated equipment, and the oil field workover operation device is disposed on the derrick floor in a manner of being movable between a raised position where the oil field workover operation device extends out above the derrick floor and a retreated position where the oil field workover operation device retreats below the derrick floor.