Home / Technical Courses / Subsurface / Drilling / Practical Drilling Skills Practical Drilling Skills$2,625 Buy now Add to Wishlist Categories: Drilling, Subsurface, Technical Courses Product ID: 1407 Related products EOR with Emphasis on Water Alternating Gas (WAG) and Gas Processes $4,375 Buy now Design for maintainability $1,950 Buy now Root Cause Analysis (RCA / RCFA) $2,625 Buy now