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Temperature
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Barker, L.M.
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Bearings
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DRILL BITS
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DRILLING EQUIPMENT
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GEOTHERMAL ENERGY
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1. [Image] Annual Report on the Project to Design and Experimentally Test an Improved Geothermal Drill Bit
Progress is reported in a research and development program to design, build, and test an improved geothermal drill bit. The major tasks of the Phase I effort are entitled: failure mechanisms of existing ...Citation