Diving & Maintenance Support Vessels (DMSVs)
Comprehensive Technical & Market Report (2024)
Definition
Specialized vessels supporting underwater inspection, repair, and maintenance (IRM) operations for offshore oil/gas and renewable energy infrastructure.
Key Functions:
- Saturation diving (SAT) and air diving support
 - ROV operations for subsea inspections
 - Light construction (manifold repairs, pipeline tie-ins)
 - Decommissioning support (cutting, salvage)
 
Vessel Types & Specifications
DMSV Classification by Capability
															Technical Specifications (Saturation Diving Vessel Example)
															Global Fleet & Market Data
Active Fleet by Region (2024)
															Technology & Innovations
Advanced DMSV Features
															Market Trends & Forecast (2024–2030)
Growth Drivers:
- Aging Infrastructure: 60% of global offshore pipelines >20 years old.
 - Wind Farm Maintenance
 - Deepwater Exploration
 
Risks:
- Diver Shortages: 15% global deficit in certified SAT divers.
 - ROV Competition: Autonomous systems reducing dive requirements.
 
Forecast:
- Newbuild Orders: 10–15 SAT/ROV vessels (2024–26).
 - Day Rates: SAT vessels to peak at $200K/day by 2026.
 
Comparative Analysis: SAT vs. ROV Vessels