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Proceedings Papers

On the Pitting Corrosion Resistance of Metallic Materials Used in Drilling and Reservoir Characterization Applications

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Helmuth Sarmiento Klapper, Julia Ditmann, Sebastian Jesse
Paper presented at the AMPP Annual Conference + Expo, March 3–7, 2024
Paper Number: AMPP-2024-20872
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View Paper titled, On the Pitting Corrosion Resistance of Metallic Materials Used in Drilling and Reservoir Characterization Applications
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Proceedings Papers

Understanding the Influence of Surface Condition on the Fatigue and Corrosion Fatigue Behavior of SLM718

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Helmuth Sarmiento Klapper, Nils Holzapfel, Wei Chen, Juan Carlos Flores
Paper presented at the AMPP Annual Conference + Expo, March 3–7, 2024
Paper Number: AMPP-2024-21234
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View Paper titled, Understanding the Influence of Surface Condition on the Fatigue and Corrosion Fatigue Behavior of SLM718
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Proceedings Papers

Investigation of the Pitting Corrosion Behavior of Austenitic Stainless Steel UNS S20910 Correlated to Its Microstructural Condition

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Helmuth Sarmiento Klapper, Julia Ditmann, Clara Herrera, Merlin Seifert
Paper presented at the AMPP Annual Conference + Expo, March 19–23, 2023
Paper Number: AMPP-2023-18877
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View Paper titled, Investigation of the Pitting Corrosion Behavior of Austenitic Stainless Steel UNS S20910 Correlated to Its Microstructural Condition
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Proceedings Papers

Redefining Corrosion Resistance Requirements for Austenitic Stainless Steels Used in Drilling Applications – Part 2: CrNi-Stainless Steels

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Julia Ditmann, Helmuth Sarmiento Klapper, Thomas Williams, Bernd Holper, Krutibas Panda, Reece Goldsberry, Wendy Martin, Daryl McIntyre, Clara Herrera, Merlin Seifert
Paper presented at the AMPP Annual Conference + Expo, March 19–23, 2023
Paper Number: AMPP-2023-19277
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View Paper titled, Redefining Corrosion Resistance Requirements for Austenitic Stainless Steels Used in Drilling Applications – Part 2: CrNi-Stainless Steels
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Proceedings Papers

Fatigue and Static Crack Growth Rate of Cr-Mn Stainless Steel in Aerated Brine Simulating Drilling Applications

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Ashwini Chandra, Helmuth Sarmiento Klapper, Ramgopal Thodla
Paper presented at the AMPP Annual Conference + Expo, March 19–23, 2023
Paper Number: AMPP-2023-19152
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View Paper titled, Fatigue and Static Crack Growth Rate of Cr-Mn Stainless Steel in Aerated Brine Simulating Drilling Applications
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Proceedings Papers

Characterization and Further Development of Austenitic Stainless Steel UNS S20910 Towards New Industrial Applications

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Clara Herrera, Helmuth Sarmiento Klapper, Merlin Seifert, Julia Ditmann
Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17648
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View Paper titled, Characterization and Further Development of Austenitic Stainless Steel UNS S20910 Towards New Industrial Applications
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Proceedings Papers

Development of the High Strength Cold Worked Super Austenitic Stainless Steel UNS N08034 for Challenging Oilfield Environments

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Julia Botinha, Clara Herrera, Bodo Gehrmann, Helmuth Sarmiento Klapper, Merlin Seifert, Helena Alves
Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17720
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View Paper titled, Development of the High Strength Cold Worked Super Austenitic Stainless Steel UNS N08034 for Challenging Oilfield Environments
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Proceedings Papers

Electrochemical Assessment of the Influence of Temperature on the Pitting Corrosion Resistance of Metallic Materials in Brines

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Helmuth Sarmiento Klapper, Sebastian Jesse
Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17738
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View Paper titled, Electrochemical Assessment of the Influence of Temperature on the Pitting Corrosion Resistance of Metallic Materials in Brines
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Proceedings Papers

Redefining Corrosion Resistance Requirements for CrMn-Stainless Steels used in Drilling Applications – Results from a Round Robin Experiment

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Helmuth Sarmiento Klapper, Anthony Collins, Bernd Holper, Wendy Martin, Krutibas Panda, Merlin Seifert, Thomas Williams, Yoshihiko Koyanagi
Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16881
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View Paper titled, Redefining Corrosion Resistance Requirements for CrMn-Stainless Steels used in Drilling Applications – Results from a Round Robin Experiment
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Proceedings Papers

Influence of the Surface Condition on the Pitting and SCC Resistance of Alloy UNS N07718 Produced via Selective Laser Melting

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Madison Wooldridge, Christoph Wangenheim, Helmuth Sarmiento Klapper
Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16949
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View Paper titled, Influence of the Surface Condition on the Pitting and SCC Resistance of Alloy UNS N07718 Produced via Selective Laser Melting
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Proceedings Papers

Influence of Pitting Susceptibility on the Nucleation of Stress Corrosion Cracking in High Strength Austenitic Stainless Steel at Elevated Temperatures

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Helmuth Sarmiento Klapper, Bojan Zajec, Andraž Legat
Paper presented at the CORROSION 2020, June 14–18, 2020
Paper Number: NACE-2020-14818
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View Paper titled, Influence of Pitting Susceptibility on the Nucleation of Stress Corrosion Cracking in High Strength Austenitic Stainless Steel at Elevated Temperatures
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Proceedings Papers

Pitting and Stress Corrosion Cracking Resistance of Additively Manufactured Nickel Alloy UNS N07718 in Chloride-Containing Environments

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Helmuth Sarmiento Klapper, Daria Gisinger, Madison Burns, Christoph Wangenheim
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13359
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View Paper titled, Pitting and Stress Corrosion Cracking Resistance of Additively Manufactured Nickel Alloy UNS N07718 in Chloride-Containing Environments
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Proceedings Papers

Influence of Shear Stress on the Pitting Corrosion Susceptibility of an Austenitic Stainless Steel in Brine Evaluated in the Rotating Cylinder Electrode

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Helmuth Sarmiento Klapper, Catalina Rojas Sarmiento, Dionisio Laverde Cataño
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13362
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View Paper titled, Influence of Shear Stress on the Pitting Corrosion Susceptibility of an Austenitic Stainless Steel in Brine Evaluated in the Rotating Cylinder Electrode
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Proceedings Papers

Addressing Integrity Issues in Downhole Equipment by Corrosion Inhibition in Sweet Geothermal Brines

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Helmuth Sarmiento Klapper, Peter Schorling, Bjoern Lause, Wai Mok, Wart van Zonneveld, Aad Castricum, Matthias Moeller
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13364
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View Paper titled, Addressing Integrity Issues in Downhole Equipment by Corrosion Inhibition in Sweet Geothermal Brines
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Proceedings Papers

Role of Carbon on the CPT of UNS N07718 Exposed to Chloride Environments at HP-HT Using ECN and In-Situ Microscopy

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Luis F. Garfias-Mesias, Julia Botinha, Helmuth Sarmiento Klapper, Helena Alves
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13531
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View Paper titled, Role of Carbon on the CPT of UNS N07718 Exposed to Chloride Environments at HP-HT Using ECN and In-Situ Microscopy
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Proceedings Papers

Using Electrochemical Noise to Elucidate the Mechanisms Involved in Localized Corrosion – A Review

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Helmuth Sarmiento Klapper
Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11236
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View Paper titled, Using Electrochemical Noise to Elucidate the Mechanisms Involved in Localized Corrosion – A Review
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Proceedings Papers

Determination of Precursor Sites for Pitting Corrosion of UNS N07718 in Chloride Environments – Part 2: Experimental Results

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Luis F. Garfias-Mesias, Helmuth Sarmiento Klapper, Jutta Klower, Julia Botinha
Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11387
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View Paper titled, Determination of Precursor Sites for Pitting Corrosion of UNS N07718 in Chloride Environments – Part 2: Experimental Results
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Proceedings Papers

Electrochemical Methods for Assessing the Pitting Corrosion Resistance of Metallic Materials in Chloride-Containing Environments at Elevated Temperatures

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Helmuth Sarmiento Klapper, Sebastian Jesse, Andreas Heyn
Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11438
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View Paper titled, Electrochemical Methods for Assessing the Pitting Corrosion Resistance of Metallic Materials in Chloride-Containing Environments at Elevated Temperatures
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Proceedings Papers

Determination of Precursor Sites for Pitting Corrosion of UNS N07718 in Chloride Environments – Part 1: Experimental Setup

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Louis F. Garfias, S. R. Taylor, Helmuth Sarmiento Klapper, Jutta Klower, Julia Botinha, Luis F. Garfias-Mesias
Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11382
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View Paper titled, Determination of Precursor Sites for Pitting Corrosion of UNS N07718 in Chloride Environments – Part 1: Experimental Setup
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Proceedings Papers

Understanding and Addressing the Challenges of Assessing the Corrosion Fatigue of Metallic Materials for Drilling Applications

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Christopher Tom Engler, Georg Andersohn, Matthias Oechsner, Helmuth Sarmiento Klapper, John Stevens
Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-8918
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View Paper titled, Understanding and Addressing the Challenges of Assessing the Corrosion Fatigue of Metallic Materials for Drilling Applications
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