Comments on: Drilling optimization enhances development of harsh-environment East Shetland fields /drilling-optimization-enhances-development-of-harsh-environment-east-shetland-fields-6335 Get the latest oil drilling news with Èý•NÌåÓý Wed, 05 Oct 2011 18:15:18 +0000 hourly 1 https://wordpress.org/?v=6.1.1