Dwellop offers bespoke boat towers for running module handling and subsea well intervention (Riserless Light Well Intervention – RLWI). The towers can utilize fibre rope or steel rope winches for deployment. Moonpool and cursor systems are custom engineered for each vessel.
RLWI Solutions
Technical overview
RLWI Environment
Offshore Oil Fields
Classification
DNV
Max. water depth
2 000 m / TBA
Main hoisting system
Fiber-Rope Traction Winch (DeepTek)
SWL 150 MT (single fall)
AHC / PHC Tensioner mode available
Max. hook height
32 m
Max. RLWI stack height
30 m
Cursor system
SWL15 MT Winch
Lower Cursor (master mode)
Upper Cursor (slave mode)
Guiding Arm
Guide line system
4x SWL 5 MT Winch
600 m effective wire length
Guided on adjustable guiding arms
AHC / PHC Tensioner mode available
Pod line system
2x SWL 10 MT Winch
Guided on adjustable guiding arms
AHC / PHC Tensioner mode available
Umbilical winch
2 000 m effective umbilical length
Passive motion compensation system
Skidding system
Deck-Skid Pallet System
Foot Print 4×4 m, SWL 150 MT
Sea fastening system
Moon pool hatch
2x Folding Down Side Hatch
1x Folding Down Central Rail, SWL 150 MT
RLWI stack test and storage
Dedicated area for Vertical Test and Storage of RLWI stack outside of moon pool section with attached umbilical and wireline
Cherry picker
2x Personnel Lifting, SWL 250 kg
Cargo Lifting, SWL 1 MT
Access platforms
Access to critical maintenance areas by effective staircase system
Control cabin
Safe and Effective Control Center
Equipped with Tower and ROV operator’s chairs, HMI panels
Pressurized system with dedicated HVAC unit
ATEX approved
Overhead Crane
SWL 20 tons
Options
- Deck skidding system with multiple skid pallets and XY pathways
- Moon pool hatch including cursor interface
- Tower structure including two cursors and steel wire rope winch
- LER and HPU
- Tower Control Cabin
- Coiled Tubing subsea stack handler
- Coiled Tubing HC injector handler
- Coiled Tubing tool handler
- Wireline subsea stack handler
- Wireline HC wire handler
- Wireline tool handler
Let’s talk about your project.
If you have any requirements or need further information, please don’t hesitate to contact us.