pdf: http://www.ipt.ntnu.no/~stanko/files/Courses/POFE_UEM/2018/Notes/20181102.pdf
video: http://www.ipt.ntnu.no/~stanko/files/Courses/POFE_UEM/2018/Videos/20181102.mp4
files: http://www.ipt.ntnu.no/~stanko/files/Courses/POFE_UEM/2018/Exercises/Ex_4_Gas_well_Deliverability-v1.xls