Petroleum engineer international - Vol. 56, No. 1 (Jan. 1984) ; 110 p.

Year of change lies ahead for drillers / Steven D. Moore -- How to select oil mud applications / Weldon B. Nance -- Shell boosts recovery at kernridge / Steven D. Moore -- What's new .. in drilling -- Chevron tackles urban drilling / Steven D. Moore -- Mobil AG scores with massive frac / W.B. Bleakley.

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