Open AccessImproved seal for geothermal drill bit. Final technical report
Author(s) -
Ron Evans
Publication year - 1984
Language(s) - English
Resource type - Reports
DOI - 10.2172/6796578
Subject(s) - bit (key) , seal (emblem) , drill , drill bit , petroleum engineering , bearing (navigation) , geothermal gradient , penetration rate , geology , rate of penetration , engineering , forensic engineering , geotechnical engineering , computer science , drilling , mechanical engineering , archaeology , history , artificial intelligence , computer security , geophysics