To increase rig-up height during wireline operations, Dwellop offers bespoke self-propelled winch modules, that operates on the hatch deck (Weather Deck).
The units (aka A-Frames or Weather Deck Hoist) are equipped with hatch handling, sheave hang-off, sheave winch and tool winch.
The WDHs come as standard sized units or low built units for applications where it needs to move underneath drilling derrick skidding beams.
