Comments on: Accurate wellbore trajectory delivers 70% more reservoir contact with Gullfaks sidetrack well /accurate-wellbore-trajectory-delivers-70-more-reservoir-contact-with-gullfaks-sidetrack-well-1867 Get the latest oil drilling news with Èý•NÌåÓý Wed, 05 Oct 2011 14:51:02 +0000 hourly 1 https://wordpress.org/?v=6.1.1