Drilling Rig By Dongying Dayang Petroleum Equipment Co., Ltd.

1. The manufacture of the main components were based on the related API specifications and the basic parameters are accorded to SYi T5609i 1999a The Type and Basic Parameter of the Petroleum Drill Rig and API specifications;
2. The technology of AC frequency conversion to control speed and the number control has been adopted to adjust the hoisting speed, rotation speed of the rotary table and stroke number of the slurry pump. Thus the performance of speed control of hoisting winch, rotary table, slurry pump and the ratio of the power utilization had been largely promoted;
3. The wholly moved parallelogram substructure (with various models) enables the equipments and to be assembled at low level and to be lifted to the designated position by the draw works;
4. The main brake adopts the hydraulic plate type which provides the big moment of brake and is sensitive and reliable. The auxiliary brake is equipped with the electromagnetism eddying brake or Eton brake.
5. The rotary table is driven by independent drive system or drawing through the chain;
6. Modular design, simple structure, convenient to disassembly and assembly departments.