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Technology Assessment for ‘Optimization of Deep Drilling Performance’ DE-FC26-02NT41657 - 1 - TECHNOLOGY ASSESSMENT FOR Optimization of Deep Drilling Performance; Development and Benchmark Testing of Advanced Diamond Product Bits and High Pressure/High Temperature Fluids to Significantly Improve Rates of Penetration CONTRACT NO. DE-FC26-02NT41657 Prepared by Dr. Arnis Judzis TerraTek, Inc. 1935 South Fremont Drive Salt Lake City, UT 84104 (801) 584-2483 Prepared for U.S. Department of Energy 3610 Collins Ferry Road Morgantown, WV 26507-0880