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HISTORICAL DOCUMENT. Metallic material requirements for sucker-rod pumps in oilfield environments. Recommended materials for mild, moderate, and severe metal-loss corrosion. Properties of pump barrel and plunger materials.
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This guide covers and describes the factors that influence laboratory immersion corrosion tests, particularly mass loss tests. These factors include apparatus, sampling, test specimen, test conditions (test solution composition, temperature, gas sparging, fluid motion, solution volume, method of supporting test specimens, duration of test), methods of cleaning test specimens, imterpretation of results, and calulation of corrosion rates. This guide also emplasizes the importance of recording all pertinent data and provides a checklist for reporting test data.
This standard provides two separate test methods for evaluating protective coatings on any metallic substrate, such as steel, copper, aluminum, etc., so that the factors of both chemical resistance and permeability can be considered. The results obtained should give a good indication of what would happen on exposure to similar service conditions.
Protective coatings, as referred to in this standard, may be applied in liquid form (solution, dispersion, etc.); or dry form (powders); using spray, dip, roller, brush, trowel, or other appropriate application techniques.
检测、修补和缓解炼厂压力容器在湿H2S环境下发生开裂的
DOWNLOADABLE HISTORICAL DOCUMENT. Detection, repair, and mitigation of cracking of carbon steel pressure vessels, including columns, heat exchangers, drums, reboilers & separators in wet H2S petroleum refinery environments.
Corrosion evaluation using metallic test specimens. Information obtained. Test rack and specimen design. Data to be recorded. Interpreting and reporting test results.
In 2001 the UK Health and Safety Executive published “Review of Corrosion Management for Offshore Technology Report 2001/00”. This was the first document related to corrosion management system (CMS), which was updated in March 2019 and incorporated the PDCA (Plan-do-check-act) approach. However, the topic of CMS reached its peak after NACE published “NACE IMPACT Study” in 2016.
Measuring relative corrosiveness of inhibited solutions for chemical cleaning in a static system. Conducted with corrosion coupons in a clean solution. Surface/volume ratio. Inhibitor handling. Pitting. Reporting
The global cost of corrosion is estimated to be US$2.5 trillion, which is equivalent to 3.4% of the global GDP (2013). By using available corrosion control practices, it is estimated that savings of between 15 and 35% of the cost of corrosion could be realized; i.e., between US$375 and $875 billion annually on a global basis. These costs do not include individual safety or environmental consequences which can occur due to near misses, incidents, forced shutdowns (outages), accidents, etc.