How many litres of oil are usually consumed per hour in a rotary drilling rig?
This is not sure, depends on what type, and when the work is not full power work.
This depends on what kind of model, different models of engine power is not the same
This is not sure, depends on what type, and when the work is not full power work. +1And you work with the stratum is related, as far as I know, the intelligent drilling machine is still more fuel-efficient, 31, Zhonglian is also good
