Isolating High-Pressure Zone
Isolating High-Pressure Zone
1 Pages©2009 Enventure Global Technology • Enventure and SET are trademarks of Enventure Global Technology • All Rights Reserved • 6/08 Isolating High-Pressure Zone North Sea Challenge Isolate a high-pressure interval and drill the next section, which consisted of a weaker formation, with a lower mud weight. Objective Install a high-collapse SET® expandable liner to case off the trouble zone. Results Value Added By isolating the high-pressure zone and being able to drill ahead: • A 5 x 4-1/2 in. completion was achieved • The operator estimated they extended the production life of the well for seven years The 7-5/8 x 9-7/8 in. openhole SET liner was used to case off the trouble interval that was projected to experience a pressure reductio
