A study of underbalanced drilling application for granite basements in Vietnam
Underbalanced drilling (UBD) has gained popularity during the recent years as it provides a method to prevent formation damage, minimize lost circulation risks, and increase the rate of penetration. However, drilling with a bottomhole pressure less than the formation pore pressure will often increas...
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Heriot-Watt University
2009
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.507914 |