Drilling Rigs

ZJ704500LDB Drilling Rig is suitable for 7000m (23000ft) well with 114mm (4.5in) drill pipe, in which the rotary table is driven by AC frequency conversion independence.
The draw works and mud pumps are driven by mechanical.
Features
The rig is powered by “4 parallel 2000 (3000) series diesel engines + hydraulic torque converter (coupling) + chain box drive”.
Integral chain box compound ensure perfect sealing and well sealed and easy installation.
Drawworks drum is grooved. The main brake is hydraulic disc brake and assistant brake is electromagnetic eddy current brake.
Drawworks is equipped with assistant lifting device which can raise the mast without diesel engine or hoisting drill string while main drive fails to prevent down hole accident and realize drilling safety