Fluid Power Journal

Double Acting Telescopic Cylinder Halves Oil Rig Decommissioning Time

By Steven North, Design and Project Engineer, Apex Hydraulics Ltd Dismantling expired oil rigs is a costly and time-consuming operation. After decades in the …

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Oil Rig Top Drive Knocking Noise in the Pump

A drill rig operator was complaining about a knocking noise coming from his top-drive HPU. It controlled a hydraulic motor that drove a winch attached to the …

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