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 Volume and Reserve Estimation $1,750 Buy now EOR with Emphasis on Water Alternating Gas (WAG) and Gas Processes $4,375 Buy now E&P Integration $2,625 Buy now