Subsea BOP Control System Maintenance

Reliable, Safe, and Compliant Control Unit Services for Offshore Operations

At Subseaquence, we provide expert maintenance services for subsea BOP control systems on all rigs. Our team of highly skilled engineers and ex-OEM specialists ensures your control units operate safely, efficiently, and fully compliant with industry standards.

Our Flagship Service

In-depth Control Unit Maintenance

Our specialty: complete inspection, testing, and refurbishment of subsea BOP control systems to maximize reliability, extend operational life, and minimize operational risk.

• Full disassembly and inspection of hydraulic and electro-hydraulic components

• Pump, manifold, and accumulator refurbishment

• Valve and solenoid testing and replacement

• Electrical and instrumentation checks

• Operational reliability verification

• Compliance with API 53 and client-specific standards

Other Key Services

FAT – Factory Acceptance Testing

Pre-deployment testing of BOP control units to ensure full functionality, reliability, and adherence to regulatory and client requirements.

SPS – Special Periodic Survey

Scheduled surveys and functional tests of subsea control systems to maintain safety, compliance, and operational readiness.

Routine Inspections & Preventive Maintenance

Regular checks of hydraulic, electro-hydraulic, and control electronics to prevent failures, reduce downtime, and maintain performance.

Documentation & Compliance Support

Comprehensive quality documentation in line with API 53, providing traceability, audit readiness, and regulatory compliance.

Why Subseaquence

• Expert Technical Engineers: Industry-leading skills with hands-on experience across all BOP control systems.

• Safety & Compliance: Strict adherence to API 53 and relevant industry standards.

• End-to-End Project Management: Structured planning, inspection, and execution for every control system project.

• Minimized Risk & Downtime: Efficient, safe, and reliable operations, on schedule and within budget.

Partner with Subseaquence to ensure your subsea BOP control systems are maintained to the highest standards.

Contact us today to discuss in-depth control unit maintenance, FAT, SPS, or other subsea control system services.