Hollow plastic sucker rod assembly

Details Hollow plastic sucker rod assembly Hollow plastic sucker rod assembly

E - Fixed Constructions

21

B

E21B 17/00 (2006.01)

Patent

CA 2063939

Abstract An improved form of sucker rod assembly for oil wells comprises a fibreglass sucker rod which is in the form of a hollow cylindrical tube having an outside diameter and an inside diameter. The annular body portion thus formed comprises a plastic resin matrix containing a plurality of longitudinally extending glass fibre rovings spaced from one another and distributed throughout the cross-section of the rod, with each being embedded in and completely surrounded by the plastic resin matrix. The inner and outer diameters of the sucker rod are also provided with a reinforcing, e.g. glass fibre matting, which serves to prevent collapse of the hollow rod due to compressive or bending loads. Novel end fittings are also provided for the sucker rod assembly of the invention.

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