Abstract: Digital engineering is an effective way of digital transformation for petrochemical engineering enterprises. Based on the definition of digital engineering, this paper elaborates on the characteristics and elements of digital engineering in petrochemical engineering enterprises, proposes a reference diagram for the overall architecture of digital engineering, and describes the application of digital engineering in digital design, project integrated management, engineering big data centers, digital delivery, and intelligent plant. Senior experts predict that digital engineering will empower the whole process of production and operation of petrochemical enterprises, and help them improve quality and efficiency as well as promote the sustainable development of the industry.

Key words: petrochemical engineering, digital engineering, digital design, engineering big data center, digital delivery, intelligent plant