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A Test Procedure To Evaluate ERW/HFW Pipe Seam Susceptibility To Embrittlement

Picture for A Test Procedure To Evaluate ERW/HFW Pipe Seam Susceptibility To Embrittlement
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HFW pipes is considered a cost-effective pipe option for oil and gas pipeline projects. The HFW seam performance is always a concern, especially in challenging environments such as low temperature applications and wet sour services. One of the challenges include the seam properties to resist sulfide stress cracking (SSC) or hydrogen embrittlement (HE) when exposed to hydrogen charging environment such as a wet sour service.

Product Number: 51323-19135-SG
Author: Saad M. Al-Muaili, Mohammed A. Al-Anezi
Publication Date: 2023
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This work presents a novel testing procedure to evaluate Electric Resistance Welded (ERW) / High Frequency Welded (HFW) pipe weld seam susceptibility to embrittlement when exposed to a wet sour environment. This procedure offers a simple and practical complementary testing option in addition to NACE TM0284 and TM0177 [1 & 2]. This procedure was developed, tested and patented by Aramco (U.S. Patent No. 11,235,427) as a reliable technique to assure the reliability and increase the confidence limits of the HFW pipe weld seam [3]. This patented procedure has the potential to be developed further and adopted by international standards including NACE and API.

This work presents a novel testing procedure to evaluate Electric Resistance Welded (ERW) / High Frequency Welded (HFW) pipe weld seam susceptibility to embrittlement when exposed to a wet sour environment. This procedure offers a simple and practical complementary testing option in addition to NACE TM0284 and TM0177 [1 & 2]. This procedure was developed, tested and patented by Aramco (U.S. Patent No. 11,235,427) as a reliable technique to assure the reliability and increase the confidence limits of the HFW pipe weld seam [3]. This patented procedure has the potential to be developed further and adopted by international standards including NACE and API.

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