* The top-drive unit, with a compact structure and a small size, can be utilized for the truck-mounted drilling rig, onshore skid-mounted drilling rig and offshore drilling rig.
* The top-drive unit can be specially used for the drilling operations of the directional wells, level wells, and can be utilized to save auxiliary drilling time and to increase drilling efficiency.
* The top-drive unit with a simple and dependable transmission system will be driven by VFD and has a wide-range adjustable speed, which can be flexibly operated and is convenient for installation and maintenance.
* The main loaded parts are made of special material and are heat treated to insure the excellent mechanical performance.
* Safety and inspection measures are strengthened under the guidance of the design concept of ¡°Humanism Above All¡± to meet the requirements of HSE
|
