Introduction Heat exchangers play a pivotal role in the oil and gas industry, serving as the backbone of efficient thermal energy management across upstream, midstream, and downstream operations. From preheating crude oil in refineries to condensing gas in LNG plants, they are indispensable for achieving process efficiency, reducing emissions, and

Introduction Pressure vessels are integral components across various industries, including oil and gas, chemical manufacturing, power generation, and pharmaceuticals. These specialized containers are designed to hold gases or liquids at pressures significantly different from ambient conditions. Given their critical role, understanding the design, materials, standards, and maintenance of pressure vessels