TECHNICAL SPECIFICATION OF ZJ70DB ELECTRIC DRILLING RIG
ZJ70D drilling rig is designed and manufactured in accordance with China National Standard SY5609-1999 “Type and Basic Parameters of Oil Drilling Rig” and International Standards. All main components are in compliance with API Specifications. This kind of drilling rig is suitable for drilling exploration and development oil and nature gas well in depth rating of 7000 meters (23,000ft)with 114mm (4-1/2”) drill pipe.
The main features:
- Fully meet 7000 meter (23,000ft ) drilling process requirements;
- Drawworks, Rotary table and Mud pumps are driven by DC motors.
- This drilling rig mainly consists of crown block, traveling block, hook, swivel, rotary table, drawworks, mud pumps, mast and substructure that all are in compliance with API specifications.
- drawworks is machined with lebus grooving, to be equipped with Crown-O-Matic switch.
- Independent rotary table driven by one suitable DC motor with speed reducer.
- Integrated sling shot type substructure. All equipment on the drill floor is installed at lower position. Utilize power of drawworks to raise both mast and substructure to the right position.