Model ZJ50/3150D/DB and ZJ50/3150D/DB, 1500HP, electrical onshore drilling rig, designed to drill and complete an oil and gas well with a depth of not more than 5000m.
The rig components such as mast, substructure, traveling block, hook, swivel, rotary table, drawworks, etc, conform to API specifications and the industry standards.
The mast fabricated in a pin connection type cantilever structure, monkey board, stabbing board and other mast auxiliaries equipped the mast assembly, its dimensions suitable to install top drive unit.
The substructure can be manufactured in two-step raising and/or box-on-box substructure. And Steps, handrails, BOP handling trays and other appendixes equipment and facilities fully equipped with the substructure.
The main rig movers are diesel engine driven AC generators with enough power for operating the rig.
The power drive system available in SCR (AC-SCR-DC) or VFD (variable Frequency Drive, AC-DC-AC) system .
The drawworks electrically driven by heavy duty DC or AC motors, with working speed continuously adjustable. Disc brake introduced as the main drum brake, and an eddy current brake also equipped with the drawworks unit.
The mud pumps equipped with the rig are single action, triplex slurry pumps, electrically driven by AC or DC truck motors.
Rotary table independently driven by a drive system consisting of truck motor, chain gearbox and universal shaft, with working speed continuously adjustable.
Air system equipped with the rig, consisting of two each screw rod type air compressor, air tanks, and valves, and valves.
A fully equipped mud circulation system including mud tanks, solids control equipment, mud conditioning equipment and circulation lines completed with the rig package.
An analog and digital drilling parameter and data monitor and recording system available on the rig.
BOP and well kill/choke equipment and facilities shall be equipment with the rig package according to client's requirement.
Water and fuel storage and transfer tanks equipped with the rig package