Corrosion is an unfortunate given in the oil and gas industry. If that corrosion goes undetected, the results can be catastrophic, and very costly. The presence of carbon dioxide (CO2), hydrogen sulphide (H2S) and free water can cause severe corrosion problems in oil and gas assets. One of the main limitations in the field of corrosion management is the lack of skilled personnel. The industry needs skilled engineers understand the industry, the chemistry of corrosion and the technologies required to address it.
The structural integrity evaluation of pipelines is an important tool to minimise the risks of leakage and its impact on the environment, enhancing the vital importance of the study of defects (cracks and corrosion pits) on the material’s integrity. According to the US Environmental Protection Agency, the number of oil spills has been reduced to less than 1% of the total volume handled each year (250 billion gallons of oil and petroleum products), meaning that over 2.5 billion gallons of oil and petroleum are still spilled every year only in the US.
Participants in the workshop will gain an understanding of materials degradation/corrosion ramifications; materials selection and how to identify the various forms of corrosion attack.
This training gives a comprehensive review of materials failure and corrosion problems during oil and gas production/transportation and its mitigation. The failures mechanism will be examined with the various types in the oil and gas industry. Factors affecting each of the various forms of materials degradation and ways of mitigating this threat will be discussed.
The principles of failures must be understood in order to effectively select materials and utilize metal structures for the optimum economic life of facilities and safety in oil and gas operations.
There are several methods for corrosion control: (i) proper material selection and design, (ii) metal coating, (iii) cathodic protection, (iv) corrosion inhibitors, (v) non-metallic materials, etc.
A metallurgical factor is the milestone of the right way for minimizing corrosion to be as less as possible in the most corrosive environment industries. There are many metallurgical factors that affect corrosion as, chemical composition, alloying elements, mechanical properties, heat treatment, surface coating, welding and manufacturing conditions and stresses (residual or applied).
Understanding these factors is of great importance to minimize failure in many industrial applications. Since the environment play an important role in materials corrosion, petroleum and chemical industries discovered various corrosion problems as, localised corrosion, corrosion fatigue, stress corrosion cracking (SCC), hydrogen embrittlement/sulfide stress cracking (SSC) – etc. Many of the corrosion failure problems can be prevented by a proper attention from the early stage of material manufacturing, processing, treatment and machining.
In order to ensure smooth and uninterrupted flow of oil and gas to the end users, it is imperative for the field operators, pipeline engineers, and designers to be corrosion conscious as the lines and their component fittings would undergo material degradations due to corrosion. This paper gives a comprehensive review of corrosion problems during oil and gas production and its mitigation. The chemistry of corrosion mechanism had been examined with the various types of corrosion and associated corroding agents in the oil and gas industry. Factors affecting each of the various forms of corrosion were also presented. Ways of mitigating this menace with current technology of low costs had been discussed. It was noticed that the principles of corrosion must be understood in order to effectively select materials and to design, fabricate, and utilize metal structures for the optimum economic life of facilities and safety in oil and gas operations. Also, oil and gas materials last longer when both inhibitors and protective coatings are used together than when only batch inhibition was used. However, it is recommended that consultations with process, operations, materials, and corrosion engineers are necessary in the fitness of things to save billions of dollars wasted on corrosion in the oil and gas industries.
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The participants will receive as “takeaways” a series of scientific publications by the author(s) or a free copy of the book.