EnCana Corp. had a new rig built for reverse-circulation airlift drilling to prevent lost-circulation through thick, fractured, vuggy basalts. Encana was faced with drilling Miocene basalt sections as ...
Based on a presentation to the International Association of Drilling Contractors and Society of Petroleum Engineers drilling conference, Dallas, Feb. 26-28, 2002. A multidiscipline team, assembled by ...
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