Petroleum engineer international - Vol. 54, No. 8 (Jul. 1982) ; 209 p.

Well servicing expenditures top the opportunity, change -- Foam stimulation fluids-what they are, where they work / George E. King -- What's new in downhole tools and technology -- Differential probes aid flow measurement / David R. Mesnard -- Joint venture activities announced / Staff Report -- Hand-held calculator assists in directional drilling, part 1 / J. L. Marsh -- Engineers evaluate submersible pumps in North Sea field / A.R. Way -- How to drill and complete Austin chalk wells / Charles A. Coffman -- Cleaned well perforations improve oil production / Staff Report -- New system simplifies rig-site pipe inspection / Steven D. Moore -- How to filter workover and completion fluids, part 1 / Arthur E. Nall.

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