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Products tagged with 'high temperature'

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Picture for Effect Of H2S On CO2 Corrosion Of Mild Steel In HPHT Conditions
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Effect Of H2S On CO2 Corrosion Of Mild Steel In HPHT Conditions

Product Number: 51321-16622-SG
Author: Yoon-Seok Choi/ Fernando Farelas/ Luciano Paolinelli/ Srdjan Nesic/ Ahmad Zaki B Abas/ Azmi Mohammed Nor/ Muhammad Firdaus Suhor
Publication Date: 2021
$20.00
Picture for Effect of Time on High Temperature Naphthenic Acid and Sulfur Corrosion of Carbon Steel under Continuous Oil Flow Conditions
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Effect of Time on High Temperature Naphthenic Acid and Sulfur Corrosion of Carbon Steel under Continuous Oil Flow Conditions

Product Number: 51321-16413-SG
Author: Prince Kumar Baranwal/Winston Robbins/Gheorghe Bota
Publication Date: 2021
$20.00
Picture for High Temperature Oxidation Resistance Of A Newly Developed Ni-Based Alumina-Forming Nicocrmoal Alloy
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High Temperature Oxidation Resistance Of A Newly Developed Ni-Based Alumina-Forming Nicocrmoal Alloy

Product Number: 51321-16537-SG
Author: Bingtao Li/ Lee M. Pike/ Vinay Deodeshmukh/ S. Krishna Srivastava
Publication Date: 2021
$20.00
Picture for Importance of Steel Alloying Elements in Geothermal Environment – Nickel Sulphur Interactions
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Importance of Steel Alloying Elements in Geothermal Environment – Nickel Sulphur Interactions

Product Number: 51321-16435-SG
Author: Svava Davíðsdóttir/Andri Í. Þórhallsson/Sæmundur Guðlaug/Kolbrún Ragna Ragnarsdóttir//Dagur Ingi Ólafsson/sson/James D. Maddison
Publication Date: 2021
$20.00
Picture for Long-Term Performance of a Subsea Wet Insulation Material at 180 °C Continuous Operation Temperature
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Long-Term Performance of a Subsea Wet Insulation Material at 180 °C Continuous Operation Temperature

Product Number: 51321-16210-SG
Author: Eileen Wan/Espen Ommundsen
Publication Date: 2021
$20.00
	Picture for On the Pitting Corrosion Resistance of Metallic Materials Used in Drilling and Reservoir Characterization Applications
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On the Pitting Corrosion Resistance of Metallic Materials Used in Drilling and Reservoir Characterization Applications

Product Number: 51324-20872-SG
Author: Helmuth Sarmiento Klapper; Julia Ditmann; Sebastian Jesse
Publication Date: 2024
$40.00
Because of their versatility CrMn-stainless steels have become the most used structural materials in directional and while-drilling reservoir characterization tools. Nevertheless, pitting and environmentally assisted cracking (EAC) are a major concern when these materials are subjected to high halide-containing water-based drilling fluids at elevated temperatures. Consequently, pitting corrosion resistance becomes a crucial property to guarantee operational reliability and integrity of drilling equipment. Indeed, nickel-stabilized austenitic stainless steels and super austenitic stainless steels with higher contents of chromium and molybdenum have been recently developed as alternatives in drilling operations involving harsh environments. In this study, the pitting and repassivation behavior of several grades used in drilling technology was investigated using electrochemical methods. The tests were conducted in brines with different pH-values at temperatures ranging from ambient temperature to 150 °C. Experimental results are compared to PREN-Mod and CPT-values as well as to results from ASTM G48 Method A. The experimental data provided in this paper demonstrates the lack of correlation between the real pitting resistance of most grades commonly used in drilling equipment in brines at elevated temperatures and the commonly used PREN-Mod values. In addition, the limited applicability of results from standardized test methodologies for predicting pitting susceptibility in service is confirmed. The discussed electrochemical results provide on the other hand a more suitable basis for defining criteria regarding materials selection in drilling technology.