Pipeline Testing & Commissioning

Building the World’s Energy Lifeline


Pipeline testing and commissioning is a process of verifying that a newly constructed or modified pipeline system is safe, reliable, and fully operational. The process typically involves several stages, including pre-commissioning checks, testing, and post-commissioning monitoring.

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Here are the typical steps involved in pipeline testing and commissioning
Pre-Commissioning Checks

Before any testing begins, the pipeline system should be checked for compliance with all relevant codes and standards. The system should also be checked for completeness and readiness for testing.

Hydrostatic Testing

This is the most common type of pipeline testing, which involves filling the pipeline system with water and pressurizing it to test for leaks, strength, and integrity. Hydrostatic testing may be done in sections, and each section should be isolated and tested separately.

Pneumatic Testing

This type of testing involves filling the pipeline system with compressed air or gas and pressurizing it to test for leaks and strength. Pneumatic testing is typically used for high-pressure pipelines or those carrying gas.

Leak Detection Testing

After the pipeline system has been pressurized, it should be checked for leaks using various methods, such as visual inspections, acoustic monitoring, or tracer gas detection.

Electrical Testing

Electrical testing may be required for certain pipeline systems, such as those with cathodic protection or electrical heating. This type of testing involves checking for proper grounding, continuity, and insulation.


Once all testing is complete, the pipeline system should be commissioned, which involves putting it into service and monitoring its operation to ensure it meets all safety and performance requirements.

Post-Commissioning Monitoring

After the pipeline system is commissioned, it should be monitored on an ongoing basis to ensure continued safety and performance. This may involve periodic inspections, testing, and maintenance.

Overall, pipeline testing and commissioning is a critical process that ensures the safe and reliable operation of pipeline systems. The specific testing methods and procedures may vary depending on the type and location of the pipeline, as well as applicable regulations and industry standards.
Ace has institutionalised testing procedures which are best in the industry, and has successfully tested and commissioned more than 5000 Kms of Pipelines across the length and breadth of India.