Comments on: Optimizing drilling parameters and drill bit design boosts ROP by 37% in Algerian field /optimizing-drilling-parameters-and-drill-bit-design-boosts-rop-by-37-in-algerian-field-6924 Get the latest oil drilling news with Èý•NÌåÓý Tue, 07 Sep 2010 18:35:16 +0000 hourly 1 https://wordpress.org/?v=6.1.1