Petroleum engineer international - Vol. 59, No. 5 (May. 1987) ; 74 p.

Packerless saltwater disposal reduces operating costs / John D. Herlihy -- Sidetracking tool saves 31% / Erick M. Jannson -- Pressure reducing bit designs hold promise / M.S. Bizanti -- New generation of MWD systems shows potential / Allen B. Holmes -- How gelation affects oil well cements / Jacques Keiffer -- Suppliers provide wide selection of EOR chemicals / Staff Report -- Money managers must adapt to changing rules / J.M. Campbell.

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