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Development Of The NACE “MR-01-75” And NACE “TM-01-77” Standards: Part II – Accelerated Material Qualification Testing In Sour Environments At Near Atmospheric Pressure

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This paper is Part II of a two-part series intended to narrate the history, some of which has been forgotten over time, leading up to the publication of the first Material Requirement (MR-01-75) standard prepared by NACE and its subsequent auxiliary standards. Previously, Part I1 described the field observations and discussed the metallurgical factors that were being investigated by the historical NACE T-1B and 1F committees to support the development a “harmonized” sour service materials standard. In Part II, we focus on the rationale behind the use of accelerated laboratory test procedures and their development to differentiate metallurgical behavior in sour environments.

Product Number: 51322-17516-SG
Author: Brent W.A. Sherar, Eric Caldwell, Peter F. Ellis II, Russell D. Kane
Publication Date: 2022
Industries: Coatings and Linings , Coatings
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This paper is Part II of a two-part series intended to narrate the history, some of which has been forgotten over time, leading up to the publication of the first Material Requirement (MR-01-75) standard prepared by NACE and its subsequent auxiliary standards. Previously, Part I described the field observations and discussed the metallurgical factors that were being investigated by the historical NACE T-1B and 1F committees to support the development a sour service materials standard. In Part II, we focus on the rationale behind the use of accelerated laboratory test procedures and their development to differentiate metallurgical behavior in sour environments. The original sulfide stress cracking (SSC) test methodologies would later be codified as a Test Method in NACE TM-01-77 (1977).

This paper is Part II of a two-part series intended to narrate the history, some of which has been forgotten over time, leading up to the publication of the first Material Requirement (MR-01-75) standard prepared by NACE and its subsequent auxiliary standards. Previously, Part I described the field observations and discussed the metallurgical factors that were being investigated by the historical NACE T-1B and 1F committees to support the development a sour service materials standard. In Part II, we focus on the rationale behind the use of accelerated laboratory test procedures and their development to differentiate metallurgical behavior in sour environments. The original sulfide stress cracking (SSC) test methodologies would later be codified as a Test Method in NACE TM-01-77 (1977).

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Picture for Development Of The NACE “MR-01-75” And NACE “TM-01-77” Standards: Part I – Field Observations And Metallurgical Factors
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Development Of The NACE “MR-01-75” And NACE “TM-01-77” Standards: Part I – Field Observations And Metallurgical Factors

Product Number: 51322-17525-SG
Author: Eric C. Caldwell, Brent W.A Sherar, Peter F. Ellis II, Russell D. Kane
Publication Date: 2022
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This is Part I of a two-part series intended to provide background and a rational justification or supporting rationale for requirements leading to the development and publication of NACE(1) MR 0175 and ISO(2) 15156. Part I focuses on some of the metallurgical and processing requirements; specifically, Rockwell C 22 scale (HRC) limit, the various acceptable heat treatments and the 1wt% Ni limit for carbon and low alloy steels to minimize the threat of sulfide stress cracking (SSC) in H2S containing environments. Part II describes the testing and rationale behind the use of accelerated laboratory test procedures and their development to differentiate metallurgical behavior in sour environments.
Picture for Effect Of Hydrophobic Interaction On Corrosion Inhibitor Efficiency
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Effect Of Hydrophobic Interaction On Corrosion Inhibitor Efficiency

Product Number: 51322-17597-SG
Author: Susumu Hirano, Ayano Yasui, Hirotaka Mizukami, Tatsuya Sei, Toshiyuki Sunaba
Publication Date: 2022
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Corrosion inhibitors are used to prevent pipeline corrosion in oil and gas industry. The evaluation of corrosion inhibitors is one of the most important tasks for the corrosion engineers. Corrosion of the metal is suppressed by the inhibitor adsorption on the metal surface. Active ingredients of corrosion inhibitors are, in general, surfactants. A surfactant can adsorb on the internal metal surface of piping and makes a hydrophobic film preventing the contact of water with the metal surface.
Picture for Design Of Sour Service Material: Combining Metallurgical Design, Laboratory And Full Scale Testing Towards A Novel High Strength Sour Service Material
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Design Of Sour Service Material: Combining Metallurgical Design, Laboratory And Full Scale Testing Towards A Novel High Strength Sour Service Material

Product Number: 51322-17615-SG
Author: Michel PIETTE, Florian THEBAULT, John FORTAILLIER, Livia-Raquel CUPERTINO-MALHEIROS
Publication Date: 2022
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During the last decades, low alloyed steels with improved resistance to Sulfide Stress Cracking (SSC) have been developed for covering specific applications as heavy wall casings1 or expandable tubings2 or for reaching higher mechanical properties, such as 125 ksi Specified Minimum Yield Strength (SMYS) materials.3-6 For the latter, relevant sour environments for developed grades are mild, meaning that all sour applications cannot be covered while a strong interest exists for O&G operators to use high strength materials when designing wells. Consequently, there is an incentive to push the limits of use of high strength sour service steels by enhancing their resistance to SSC. Several recommendations were already published when designing high strength sour service grades: hardness level shall be limited as much as possible and be preferentially below 22 HRC7, microstructure shall present a minimum required amount of martensite8 which is well known to be ideal for combining high mechanical properties and high resistance to hydrogen. Besides, many authors highlighted some other influencing parameters related to the material or the process.
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