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Semi-annual report on the project to design and experimentally test an improved geothermal drill bit, Phase II
Author(s) -
L. M. Barker,
S.J. Green
Publication year - 1976
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/5596625
Subject(s) - drill , bit (key) , drill bit , drilling , seal (emblem) , geothermal gradient , test (biology) , engineering , petroleum engineering , marine engineering , mechanical engineering , geology , computer science , art , paleontology , computer security , geophysics , visual arts

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