Isolating Shale Trouble Zones
Isolating Shale Trouble Zones
1 Pages©2009 Enventure Global Technology • Enventure and SET are trademarks of Enventure Global Technology • All Rights Reserved • 1/07 Isolating Shale Trouble Zones Danish North Sea Challenge Reduce the time needed to reach TD with adequate hole size in a series of new wells being drilled in an established oil field located in a harsh working environment. Objective Leverage information gained from the first well in the development project and install Solid Expandable Tubular (SET ® ) systems to the subsequent wells to save casing points and preserve hole size while drilling through shale formations and depleted zones. Results For the first three SET applications, the operator installed 8-5/8 x 10-3/4 in. Openhole Liner (OHL TM ) to isolate reactive shales. The systems
