... fiberglass sucker rods operation were considered. Results The possibility of application the fiberglasssucker rods to deeper placement of pump was proved. Сonclusions 1. At small diameters of pumps because of extension the fiberglass sucker rods the plunger stroke loss of WRPU is within tolerance. 2. Application of fiberglass sucker rods allows increasing of oil production in margin wells by deeper placement of pump without increasing of beam-unit capacity. 3. Advantages of operation the fiberglass ...

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