How Opsealog Helped a Charterer Save 1,108 m³ of Fuel

Apr 2, 2025 | Case Studies

Fuel optimization is a key driver of operational excellence for offshore supply vessels, where efficiency directly impacts costs, sustainability, and fleet performance. Discover how a leading offshore operator in Angola partnered with Opsealog to enhance fuel efficiency, cut costs, and reduce CO₂ emissions across a diverse fleet of 24 vessels, including Platform Supply Vessels (PSVs), Anchor Handling Tug Supply (AHTS) vessels, Fast Supply Intervention Vessels (FSIVs), security vessels, and crew boats.

How Fuel Optimization Drives Operational Excellence

In 6 months, the fleet reduced fuel consumption by 1,108 m³ with opsealog’s data-driven insights and best practice adoption. Through collaboration, they achieve significant cost savings aligned with sustainability goals without compromising operations. This case study demonstrates how structured efficiency measures deliver tangible, long-term benefits.

  • Saved 1,108 m³ of fuel, cutting operational costs
  • Reduced CO₂ emissions while aligning with sustainability objectives
  • Applied structured fuel management strategies to enhance fleet performance
  • Tracked progress using real-world data, graphs, and vessel-specific insights

↓ Download the full case study to access exclusive data and proven strategies for operational excellence↓

Key Takeaways: What You’ll Learn

For instance, this case study details a proven three-phase approach to operational excellence for offshore supply vessels, including:

  • How digital reporting enhances fuel tracking and decision-making
  • How best practices improve operational efficiency and reduce waste
  • How continuous performance monitoring drives long-term savings

With detailed performance data, fleet-wide fuel-saving trends, and vessel-specific progress, this report showcases how real-time analytics, AI-driven insights, and change management maximize efficiency in offshore operations.

Take the Next Step Toward Operational Excellence for your Offshore Supply Vessels

Want to see the impact for yourself?

Our plug-and-play solutions require no CapEx and deliver immediate results. Whether you’re a charterer or a shipowner, we have the right solution for your needs. So why not try it now?

OSJ London 2026: Key Takeaways for the Offshore Support Vessel Industry

The Offshore Support Journal Conference returned to London in February 2026, bringing together shipowners, charterers, class societies, and technology providers to discuss the current state of the OSV market and its outlook. Opsealog was present at the event, with...

Opsealog and ADNOC Logistics & Services renew partnership to expand OSV fuel efficiency and fleet performance program

Renewed contract formalizes a five-year collaboration, scaling digital performance management across one of the world’s largest OSV fleets. Marseille (France) / Abu Dhabi (UAE), 3rd of February 2026 – Opsealog, a provider of data integration and performance management...

Marine Fuel Optimization Starts with Data: Insights from Offshore Operations

Fuel optimization is often treated as an isolated objective. In reality, its success depends on one critical factor: data quality. Without accurate, consistent data, identifying trends or deviations becomes guesswork, which is something few teams can afford. Yet fuel...

Opsealog enters a new phase of development with the support of GO Capital and Sud Mer Invest fund

Marseille (France) – 20 January 2026 – Opsealog, a pioneer in operational and environmental performance solutions for maritime fleets, today announced a major evolution in its corporate structure following a strategic carve-out. The management team has joined forces...

Onboarding Crew to Digital Solutions: 4 Practical Steps for Offshore Operations

The success of any digital initiative at sea or in maritime operations doesn’t depend on the technology — it depends on the people using it. Crews already balance tight schedules, heavy reporting, and demanding operational requirements. A new dashboard or reporting...

How AI and Data Science Build Trust in Offshore Performance

According to Gartner’s 2023 AI in Maritime Operations report (source), organizations that integrate AI and data science in their decision support see efficiency gains of up to 25%. Our paper shows how this applies specifically to offshore supply vessels. Modern...

Why Tracking Engine Running Hours is Key for Shipowners

Engine running hours are often treated as a background metric. Yet for offshore vessels, they carry direct operational and financial consequences. Maintenance frequency, fuel use, emissions, and even asset integrity all connect back to how long engines are in use, and...

2025 Global OSV Market Report

Get the latest data on offshore vessel operations, performance, and environmental impact. Offshore operations continue to evolve. In a market shaped by energy transition, rising efficiency targets, and shifting contractual dynamics, knowing how your vessels perform is...

Charter Party Agreements: Why a Third-Party Solution Matters

Offshore charter party agreements are contracts that govern day-to-day operations, define fuel responsibilities, and can quietly drain budgets and relationships if not managed well. Yet, despite their strategic importance, many offshore charter track contracts are in...

How to Leverage Multiple Data Sources for Smarter Decisions

Offshore vessels are generating more data than ever before. They continuously send information to shore through sensors, automated systems, and manual reports from seafarers. But raw data alone doesn’t improve efficiency. What matters is how that data is processed,...