(2) Before starting the drilling rig, check whether the charging pressure of the accumulator is normal; Check whether the scouring water pressure and the lubricating air pressure can be; Check whether there is sufficient lubricating oil in the lubricator, and whether the oil supply is appropriate; Check the reverse tendency of the oil pump motor.
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2025-08-16 02:59
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The pressure rating of the seal is a significant consideration, as higher pressure systems require seals with larger cross-sections to withstand the forces The pressure rating of the seal is a significant consideration, as higher pressure systems require seals with larger cross-sections to withstand the forces
