Verified Certificate

Supported by the following organizations

This is to certify that Duaa Alrefaei successfully completed and received a passing grade in PIPE01x: Introduction to Oil Country Tubular Goods (OCTG) a course of study offered by TenarisUniversity, an online learning initiative of TenarisUniversity.

Noted by

Mario Vespa

Mario Vespa

Technical Sales Manager and Professor Tenaris

Horacio Galli

Horacio Galli

Director TenarisUniversity

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