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NEW TITLE AVAILABLE NOW!! The main objective for Dr. Ali Morshed's new book, A Practical Guide to Microbiologically Influenced Corrosion (MIC) in the Upstream Oil & Gas Sector, was to produce a practical MIC guide to facilitate the identification, monitoring, assessment, and control of bacterial activity and MIC that might arise within assets associated with the upstream oil and gas sector.
“Practical” refers to content that can be readily related to various bacterial and MIC scenarios, which are likely to arise for any upstream operator and (a content which) can be easily used to resolve, rectify, or improve such MIC scenarios.
In brief, this book has been written to further help and facilitate bacterial and MIC troubleshooting for the operators and asset owners concerned.
Five relevant and informative case studies are also included.
2023 AMPP, 114 pgs
Thermally insulated pipelines have wide networks globally that are used to transport various chemicals, hydrocarbons as well as steam. CUI (corrosion under insulation), external SCC (stress corrosion cracking) and corrosion fatigue are some of the prominent damage mechanisms which may occur on the external surface of insulated pipes/ pipelines that in turn jeopardize the long-term integrity and operations. The moisture is undoubtedly the key contributor behind the above said external degradations of metallic surfaces and can come under thermal insulations via seepage and/ or condensation. Various factors that influence the extent of moisture intrusion are the design of insulated system(s), type and age of insulation, operating temperature of pipeline(s) as well as environmental and neighborhood conditions.
This NACE Standard Practice aims to provide guidance for selection and application of Corrosion Inhibitors (CI) for upstream oil and gas processes conditions exposed to corrosive environments.
The application of effective Corrosion Inhibitors (CI) in Oil and Gas production is essential to enable long term use of carbon steel in corrosive production environments. These chemical CI products can be applied continuously, or on a Batch (BI) basis. The effectiveness of CIs(products) that are applied has to be assured for the range of conditions associated with the application and for the lifetime of the facility. The assurance is predominantly achieved through laboratory testing. However, field evaluation of CIs can be a significant part of the assurance process.
The use of access fitting for intrusive corrosion monitoring tools is a common practice in the Oil & Gas industry; however, the Company (Petroleum Development Oman) has faced several difficulties including a recent incident during retrieval operations which has led to suspend, or significantly reduced the use of corrosion coupons and probes, decrease the frequency of retrieval, and eliminate its use in new projects.
Over the past decades cost pressure in oil refining has increased, especially in Europe where the consumption of oil products is decreasing over time. Refineries are investigating ways to increase margin and, given that they account for around 80% of total refinery expenditure, reduction of crude oil cost is a key factor. One way of doing this is to purchase cheaper and generally less desirable crude from global markets.
Internal corrosion is a serious concern for the oil and natural gas pipeline industry, and it can negatively impact the integrity of infrastructure necessary for production, transportation, and storage of these volatile energy media. The natural gas delivery system in the U.S. includes 528,000 km (328,000 miles) of transmission and gathering pipelines. Over the past 30 years, corrosion has caused ~25% of incidents in natural gas transmission and gathering pipelines, and 61% of these incidents related to corrosion were caused by internal corrosion.
Management and operating teams, across all industries, but especially inside asset management organizations, must increasingly rely on data-driven assessment and analytics for decision making. Clearly, inefficiency and ineffectiveness associated with manual or poorly optimized business processes and fragmented business management Infrastructures is a barrier to formulating the safest, most efficient and cost effective asset management and operational decisions. According to Deloitte’s digital maturity analysis, the midstream industry and specially the pipeline sector is in its lowest stages of digital adoption (first 20-30% progress).
For each sample project, the service environment (i.e. exposure conditions) and anticipated maintenance painting sequence needs to be defined. The service environments correspond to ISO 12944-2, “Classification of Environments.” The referenced paper (referred to as the Paper) presents a sequence for typical maintenance painting.
This sequence includes the follow steps:
Original PaintingSpot Touch-Up and Repair (1 or 2 cycles)Maintenance Repaint [spot prime and full coat] (1 or 2 cycles)Full Repaint [total coating removal and replacement]
A visual inspection of a subsea field development, transporting wet gas, containing approximately 1.5 to 2 mol% of CO2 to shore, was conducted via ROV (remotely operated vehicle). The pipeline system is largely carbon steel with only short lengths of CRA (corrosion resistant alloy) piping from the wellhead to the production/pigging manifold. Downstream of the pigging manifold the system has 20” carbon steel spools leading to the FTA (flowline termination assembly) and then 20” carbon steel flowlines to the riser platform.