Electrical driven drilling rigs

We manufactures various drilling rigs (1000HP¡«3000HP), incl. AC variable frequency, DC motor, mechan-electric, and mechanical driven rigs. The Company has the capability of design, manufacture, and final assembly (commission) of complete set of rigs and provides our customers with comprehensive solutions & service of complete set of rigs to ensure them receive the highest quality oilfield products and services. * This kind of DC driven rig is available in four models. 1000HP ZJ40/2250DZ 1500HP ZJ50/3150DZ 2000HP ZJ70/4500DZ 3000HP ZJ90/6750DZ Notes : DZ-Drilling rig driven with D.C. motor; * This kind of AC variable frequency driven rig is available in four models. 1000HP ZJ40/2250DB 1500HP ZJ50/3150DB 2000HP ZJ70/4500DB 3000HP ZJ90/6750DB Notes : DB-Drilling rig driven with A.C. motor with frequency converter. Basic parameters of this kind of rig are in accordance with SY/T5609-1999 Type & Basic Parameters of Oil Drilling Rigs: * DC driven rig adopts international advanced AC-SCR-DC power system, realizing the stepless speed regulation for drawworks, rotary table and mud pump to obtain better drilling performance. * AC variable frequency rig uses VFD and digital control technology, simplifying drawworks construction and enhancing drilling performance. * Main components are manufactured in conformity with API Spec and applied API monogram on them.