Development and Testing of a Mudjet-Augmented PDC Bit

Authors: 
Raymond, David Wayne, Grossman, James W., Chahine, Georges DynaFlow, Inc., Matthews, Oliver Security DBS, Black, Alan TerraTek, Inc., Bertagnolli, Ken US Synthetic, Vail, Michael US Synthetic

This report describes a project to develop technology to integrate passively pulsating, cavitating nozzles within Polycrystalline Diamond Compact (PDC) bits for use with conventional rig pressures to improve the rock-cutting process in geothermal formations. The hydraulic horsepower on a conventional drill rig is significantly greater than that delivered to the rock through bit rotation. This project seeks to leverage this hydraulic resource to extend PDC bits to geothermal drilling.

Publisher: 
Sandia National Labs
Journal: 
SAND Report
Volume: 
SAND2006-0091
Year: 
2006