Downhole pumping equipment effectively solves sand production and lost circulation problems in production wells
Authors: Yu.N. Legaev, I.S. Vanyurikhin, R.R. Galimov, D.V. Pischaev (Oil and Gas Production Department Leninogorskneft, RF, Leninogorsk), K.V. Valovky, Dr.Sc. (TatNIPIneft, RF, Bugulma)
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