MODFOX M1 – Remotely Operated Vehicle Workover Control System (RWOCS)

Compact. Configurable.
Proven.
The MODFOX M1 – RWOCS is the flagship system in the MODFOX family. Offering a robust, modular, ROV-based Workover Control System (RWOCS) for subsea control.
At its core is the Master Control Package (MCP). This unit houses all critical components and serves as the foundation for MODFOX M1 operations. Its adaptable design allows for project-specific configurations, ensuring seamless integration into various operational setups.
Built for Flexibility
MODFOX M1 is tailored to meet unique project timelines and operational demands. The system offers both standalone and Remotely Operated Vehicle (ROV)-mounted configurations, with real-time onshore monitoring.
What’s Supplied?
The MODFOX MCP is mobilized to any rig or vessel as part of the scope of supply. It includes a complete hydraulic and communications setup featuring:
- Hydraulic pumps & reservoirs
- Accumulators & directional control valves
- Pressure transmitters & flowmeters
- System gateway computers
- Subsea Control Module (SCM) communication canisters (third-party compatible)

The Technical Data
- Qualified operating depth 3000m
- Control Fluid type Oceanic HW443, Transaqua and similar
- Separate LP Pump and HP Pump circuits
- Control Pressure LP 345 bar / 5000 psi
- Control Pressure HP 690 bar / 10000 psi
- Control Pressure UHP 1378 bar / 20000 psi
- Pressure and return filters
- Internal fluid reservoirs
- Flowmeter on pressure and return functions
- Dual pressure transducers for redundancy of pumps and valve packs
- Subsea Gateway Control System
- Integration of third part XT SCM Control Canisters
- Topside Control System (HMI)
Lower Risk, Lower Cost
By minimizing the operational footprint and optimizing efficiency, MODFOX M1 significantly reduces both risk and cost—including transportation and mobilization expenses.

Why MODFOX M1?
The MODFOX MCP is mobilized to any rig or vessel as part of the scope of supply. It includes a complete hydraulic and communications setup featuring:
- Flexible ROV-mounted or standalone deployment
- Compact footprint for cost-effective mobilization
- Seamless integration with rig or vessel operations
- Fast configuration tailored to project needs
- Reduced HSE exposure and offshore manpower requirements






