Petroleum engineer international - Vol. 57, No. 1 (Jun. 1985) ; 112 p.

Expenditures down sligntly for international deep drilling / Rich McNally -- Esso rep moves ahead in chaunoy field / W.B. Bleakley -- How suriname produces heavy oil at tambaredjo -- Innovators honored with meritorious awards -- Gas lift: how to make the most of it, part 3 / Richard F. Keelan -- Flexible pipes in production risers / N.N. Panicker.

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