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Rotary coring of Appalachian area oil-producing formations with mud or air

Published Year

• 1960-1969 (1)

Subject

• Drilling muds (1)
• Oil well drilling--Appalachian Region (1)
• Secondary recovery of oil--Appalachian Region (1) *
• Secondary recovery of oil--Costs (1)

Author

• Rough, R. L. (1) *

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