Browsing Institutt for geovitenskap og petroleum by Author "Aasheim, Odd"
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Detection of Bit Wear in Sandstone and Conglomerate - Analysis of Drilling Data and Formation Characteristics
Sæther, Linda (Master thesis, 2016)When drilling in challenging formations the drill bit experiences wear to some extent, which may lead to a reduced rate of penetration. Since the drilling costs are so high, it is desirable to be able to detect bit wear ...