“…QT oil pipeline main line designs pressure 6.3 MPA, pipe diameter D711, the entire line length 548.5 km, the entire line adopts the heating airtight transportation technology, 1650104t/a from 1 to 3 stations, 2000104t/a from 3 to 6 stations, 1500104t/a from 6 to 9 stations. There are nine stations on the entire QT oil pipeline (Liu et al, 2020) (see Fig. 4).…”