The mysterious API diameter row

An episode from the series "Fun with Drilling Engineering" with Prof. Dr. Matthias Reich. Camera, cut : Susann Klein Made at the Institute of Drilling Engineering and Fluid Mining of the Technical University Bergakademie Freiberg, Germany. The education of Petroleum Engineers belongs to the program "Geotechnics, Mining and Geo Energy Systems". Please feel free to visit our homepage on https://tu-freiberg.de/fakult3/tbt​​​... or send feedback, enquiries or suggestions to matthias.reich@tbt.tu-freiberg.de. Voiceover Artist: Bamisebi Joseph Adetiloye