pdf: http://www.ipt.ntnu.no/~stanko/files/Courses/OG621/2021/Notes/17.2.pdf
file: http://www.ipt.ntnu.no/~stanko/files/Courses/OG621/2021/Class_files/Exercise_Choke_performance_empty.xls
Part of playlists:
Petroleum production engineering: https://www.youtube.com/playlist?list=PLXfmJjG2tXboRgm1TWnzV1CdUwhXf1IDI
Well performance: https://www.youtube.com/playlist?list=PLXfmJjG2tXbpjx6bezD4famP9YtVFEXqw