pdf: http://www.ipt.ntnu.no/~stanko/files/Courses/POFE_UEM/2018/Notes/20181030.pdf
video: http://www.ipt.ntnu.no/~stanko/files/Courses/POFE_UEM/2018/Videos/20181030.mp4
files: http://www.ipt.ntnu.no/~stanko/files/Courses/POFE_UEM/2018/Exercises/Ex_3_Single_dry_gas_well_flow_equilibrium.xls