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WIRE LINE A–FRAME

WDH01

Description


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.


Overall dimensions

   
STANDARD WDH    
LENGHT: 125" 3184 mm
WIDTH: 164" 4157 mm
HEIGHT: 126" 3195 mm
WEIGHT: 30,000 lb 14,000 kg
     
LOW BUILT WDH    
LENGHT: 158" 4000 mm
WIDTH: 114" 2900 mm
HEIGHT: 20" 500 mm
WEIGHT: 20,000 lb 9,000 kg



Specifications

  • Main Winch SWL 15 tons
  • Tool Winch 1 ton
  • 20 tons WL sheave hang-off
  • < >Stand-alone HPU
  • Zone 1
  • Norsok Z-015

 


Options

  • Stainless steel fittings
  • Man-Rider winch
  • Utility winch
  • Radio Remote Control
  • All wheel drive and all wheel steering
  • Integrated HPU



Standard WDH - General Arrangement

WDH_GA

Low Built WDH - Overview
 

Low%20Built%20WDH

General Design Requirements

 
  • Designed according to DNV 2.7.1 or DNVGL-ST-E273, 3`rd party certification not included
  • Offshore paint