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Keywords: materials selection
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Proceedings Papers
Case Studies of Corrosion Failures Due to Poor Design and Non-Optimized Materials Selection
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... For the design and materials selection of equipment in a chemical plant, the focus is often mainly on the “chemicals” side but it is often water (steam or cooling water) that causes the corrosion issues in many cases. This paper presents two cases that demonstrate poor design and non-optimized materials...
Proceedings Papers
The Use of 13Cr4Ni Valves in Extreme Sour Conditions: Why It Works
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... in valves for wellhead equipment. Valves CA6NM Class B Martensitic Stainless Steel Hydrogen Sulfide (H2S) Sulfide Stress Cracking (SSC) Stress Corrosion Cracking (SCC) Materials Selection NACE MR0175 ISO 15156 API 6A ASME B16.34 Wellhead and Christmas tree components In the second...
Proceedings Papers
Materials Selection of Corrosion Resistant Alloys in Produced Water Based in Electrochemical Techniques and Chemical Composition Index
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..., it is crucial a materials selection that guarantees a good performance of produced water treatment systems. Although there are many studies evaluating the strength of stainless steels in seawater medium, resistance of these materials in produced water has not been fully investigated. Pitting Resistance...
Proceedings Papers
Upstream Assets Integrity Management
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... protection monitoring, and failure analysis of an oil pipeline, along with corrosion inhibitor optimization efforts carried out to ensure asset integrity. integrity management materials selection monitoring treatment protection INTRODUCTION Gas oil separation facilities receive a mixture of wet crude...
Proceedings Papers
Good Fabrication Stage Practices to Mitigate Risks Associated with Wet H2S, Caustic, Amine, Carbonate Corrosion and Cracking
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... on the Materials Selection Diagram (MSD) and Piping and Instrumentation Diagrams (P&ID). Examples are velocity limit in amine services or temperature limits in caustic service. Collectively, these three categories of practices mitigate the risks associated with these corrosive services. Wet H2S SSC...
Proceedings Papers
Prediction and Assessment of Ammonium Bisulfide Corrosion under Refinery Sour Water Service Conditions – Part 3
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... conditions encompassed by all three phases of the Sour Water JIP. sour water ammonium bisulfide NH4HS hydrogen sulfide H2S ammonia NH3 partial pressure tie-in plots temperature cyanide velocity wall shear stress materials selection corrosion prediction model...
Proceedings Papers
Materials Selection Challenges for Geothermal Energy Projects
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... of thumb for process and materials selection are being augmented for more aggressive acidic environments encountered in some geothermal fields, in Engineered Geothermal Systems and in new energy extraction processes designed to improve efficiency through utilization of geothermal fluids to lower...
Proceedings Papers
Materials Selection and Corrosion Mitigation for Offshore Production System
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...Abstract One of the most important steps to ensure the integrity of offshore pipelines and subsea systems is a sound materials selection process with a properly designed corrosion mitigation strategy. This paper presents a systematic method of corrosion prediction, materials selection...
Proceedings Papers
Development of the NORSOK M-001 and ISO 21457 Standards – Basis for Defining Materials Application Limits
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...Abstract In order to become more cost efficient, the Norwegian authorities initiated in the early 1990’s a standardization project for the upstream oil and gas industry. One of the important products from the project was the NORSOK M-001 standard which addresses the material selection for offshore...
Proceedings Papers
A Decision Support System for Materials Selection of Well Completion in the Modern Oil and Gas Industry
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...The materials selection module, which is by far the most important module of the system, deals with materials selection for OCTG, downhole equipment and wellhead and christmas tree components. Sour service requirements, laboratory testing and temporary operations are also addressed. The last two...
Proceedings Papers
Materials Selection for Oil and Gas Production Systems – Use of ISO 21457
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...Abstract Development projects for oil and gas facilities are split into different phases and materials selection is an important input to all these phases in order to be able to estimate the cost accurately. The split in roles between the operator and the engineering company will be decided...
Proceedings Papers
Technical Justification of Table A.23 in NACE MR0175/ISO15156-3: the Use of Martensitic Stainless Steels in Wellhead and Valve Components in Sour Oilfield Service
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... of hardness values, were exposed to each environment at applied stress levels of 67% of their actual yield strength at the test temperature. Valves CA6NM Class B Martensitic Stainless Steel Hydrogen Sulfide (H2S) Sulfide Stress Cracking (SSC) Stress Corrosion Cracking (SCC) Materials...
Proceedings Papers
Prediction and Assessment of Ammonium Bisulfide Corrosion under Refinery Sour Water Service Conditions — Part 2
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... NH4HS hydrogen sulfide H2S ammonia NH3 partial pressure isocorrosion diagram temperature cyanide velocity wall shear stress materials selection software sour water stripper INTRODUCTION For several decades the selection of materials of construction to resist ammonium...
Proceedings Papers
Risk Models for Materials Selection and Corrosion Inhibition in Offshore Oil/Gas Risers and Nuclear Waste Storage Tanks
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... to a consequence which will have varying degrees of severity, and assigning values to these consequences describes an overall risk picture of the endeavor. Therefore, corrosion rates can be directly correlated to lifetime or financial consequences of materials selection and corrosion inhibition. This paper...
Proceedings Papers
Evaluation of Prediction Tool for Sour Water Corrosion Quantification and Management in Refineries
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...) facilitates corrosion prediction, failure prevention, optimized material selection and safe operational practice as a basis for compelling cost saving and improved maintenance planning in refinery operations. This paper evaluates the efficacy of the JIP-based Prediction System when applied to real plant...
Proceedings Papers
Evaluation of SSC Resistance of “Sweet” Materials in H2S Environments for Development of Ballot Guidelines in MR0175/ISO 15156
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... for this material is in progress. Sulfide Stress Cracking Stress Corrosion Cracking Hydrogen Sulfide Deep Water Materials Selection INTRODUCTION The recent development of NACE MR0175/ISO 15156 (Materials for Use in H2S-Containing Environments in Oil and Gas Production) 1 has indicated...
Proceedings Papers
Complementing RBI Methodology in Predicting Materials Behavior with a Sophisticated Knowledge Management Tool
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... while performing extensive knowledge-driven pre- and post-processing of corrosion data. MATERIALS SELECTION Beyond the classical engineering criteria for designing fixed equipment, the corrosion resistance of the materials applied is very important for the plant integrity and unit productivity. Todays...
Proceedings Papers
An Integrated Tool to Select OCTG Materials
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... NACE MR0175/ISO 15156 part 2. The behavior of different CRAs is estimated through working windows information. Materials selection tubing casing OCTG multiphase flow sweet corrosion hydrogen sulphide software carbon and low alloy steel corrosion resistant alloys INTRODUCTION Corrosion...
Proceedings Papers
Survey of Materials in Hydrotreater Units Processing High Tan Feeds
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...Naphthenic acid hydroprocessing units materials selection hydrogen INTRODUCTION Brief Review of Naphthenic Acid Corrosion Abstract Questions of when, where and why hydroprocessing units within oil refineries can see naphthenic acid corrosion are often raised, and to date, there has been...
Proceedings Papers
Prediction of Ammonium Bisulfide Corrosion and Validation with Refinery Plant Experience
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... and the associated software tool have been successfully used to provide significant economic benefit. refining reactor effluent air cooler REAC sour water ammonium bisulfide NH4HS hydrogen sulfide H2S hydroprocessing software materials selection INTRODUCTION Hydroprocessing units...
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