On the Cutting Edge 

Oilfield Review Autumn 2000
Publication: Oilfield Review
Volume: 12
Issue: 3
Publication Date: 10/01/2000

Advances in materials and manufacturing, more stable designs and improvements in bit hydraulics allow a single rotary bit to drill hole sections that in the past required multiple runs with several bits. This article reviews roller-cone and fixed-cutter bits as well as full-scale testing, computer modeling and downhole data monitoring to improve drilling performance and customize bits for specific formations.



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