In-Line Inspection and TAR Solutions
Through our extended service portfolio, Nasaktion delivers In-Line Inspection (ILI) and Turnaround (TAR) solutions to support the integrity and reliability of oil & gas facilities. These services are executed with industry-proven technologies and skilled teams, ensuring that pipelines, process equipment, and production assets operate safely and efficiently.
In-Line Inspection (ILI) & Pigging
- Pipeline integrity assessment using intelligent pigging tools
- Detection of corrosion, dents, cracks, and metal loss in pipelines
- Pigging operations for cleaning, gauging, and pre-commissioning
- Data analysis and reporting to support maintenance and regulatory compliance
Pre-Commissioning & Mechanical Cleaning
- Pipeline flooding, cleaning, gauging, and hydrotesting
- Nitrogen or air drying for pipeline preservation
- Chemical cleaning and flushing prior to operation
- Ensuring pipelines and facilities are ready for safe startup
Turnaround (TAR) Services
- Comprehensive TAR planning and execution support
- Inspection, repair, and replacement of critical equipment during shutdown
- Valve testing, exchanger cleaning, and vessel inspection
- Strict adherence to safety, schedule, and cost objectives
Key Benefits:
- Improved pipeline and facility reliability
- Reduced unplanned downtime through proactive inspection and TAR execution
- Compliance with international integrity and safety standards
- End-to-end execution from preparation to startup readiness
Project Highlights – Maintenance
Nasaktion’s extended maintenance services have been entrusted by leading operators across Indonesia:

Pertamina EP Cirebon – Pre-Commissioning & Startup Services
Support for EPC contractor in providing hydrotest, chemical cleaning, and nitrogen services for new process facilities.

BP Tangguh LNG – Mechanical & E&I Works (Early Works EPC)
Mechanical and electrical installation support, including inspection and pre-commissioning services for brownfield modifications.

Pertamina EP Assets – Turnaround Execution Support
TAR execution management, valve testing, and pipeline cleaning during scheduled shutdown windows to restore facility performance.