Lonestar Technical Services provides advanced Full Ring Test (CAPCIS) services for evaluating the structural integrity and sour service resistance of pipeline steels and welded pipes. The Full Ring Test is a highly specialized mechanical and environmental testing method used to assess susceptibility to hydrogen-induced cracking (HIC), sulfide stress cracking (SSCC), and other corrosion-related damage mechanisms under simulated sour operating conditions.
Conducted in controlled laboratory environments, this test replicates real-world stress and corrosive exposure to ensure that pipeline materials meet stringent international oil & gas industry standards. Lonestar’s accredited laboratory facilities are equipped with modern metallurgical analysis tools, experienced engineers, and quality assurance systems to deliver accurate, reliable, and standards-compliant test results.

The Full Ring Test is widely used in upstream and downstream oil & gas projects to validate pipe performance, verify material compliance, and prevent costly field failures. By identifying potential cracking risks before installation, clients can ensure long-term safety, operational reliability, and regulatory compliance.
With a strong focus on precision, technical expertise, and timely reporting, Lonestar Technical Services supports EPC contractors, pipeline manufacturers, and energy companies across the UAE and international markets with comprehensive sour service material testing solutions.

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