The invention discloses a damper device and belongs to the field of petroleum. The damper device comprises a cylindrical damper. A sealing rod is connected with the front end of the damper. A barrel-shaped lubricating cylinder is connected with the rear end of the damper. The front end of the damper is provided with a first groove. The rear end of the sealing rod is embedded in the front end of the first groove. A first friction material is embedded in the rear end of the first groove. The rear end of the damper is provided with a first hole which is through to the rear end of the first groove. The first friction material is provided with a second through hole. The sealing rod is provided with a third through hole. The rear end of the lubricating cylinder is provided with a fourth hole which is through to the interior of a cavity of the lubricating cylinder. According to the damper device, the friction material is embedded in the damper, so that the speed of a steel wire is decreased in the descending or lifting process, and a bidirectional damping function is achieved.