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Keywords: liquid drilling
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Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the IADC/SPE Underbalanced Technology Conference and Exhibition, March 25–26, 2003
Paper Number: SPE-81645-MS
... Abstract Underbalanced drilling is defined as drilling with the hydrostatic pressure of the fluid intentionally less than that of the formation pore pressure. The IADC classifies UBD wells according to the drilling fluid used to achieve underbalanced conditions. liquid drilling...