Patent ID: 8721815

Claim:
A method comprising: (a) transporting a plurality of fiberglass reinforced plastic sucker rod sections from an off-site location to an assembly facility at or near a point of use; (b) transporting a sufficient number of metallic end fittings to connect respective ends of the plurality of sucker rod sections in series at the assembly facility; and (c) assembling at the assembly facility at least a portion of the plurality of sucker rod sections with at least some of the metallic end fittings to form a completed sucker rod, opposite ends of the completed sucker rod having one of the metallic end fittings secured thereto; (d) securing the metallic end fittings of the opposite ends of the completed sucker rod to a modified pull test apparatus, wherein the modified pull test apparatus comprises: a frame having a safety cover, the frame comprising a pair of side rails upon which traverses a movable carriage, the movable carriage adapted to be pinned into variable positions in the side rails; and a female threaded component having internal threads and a neck, the female threads mating with male threading on one of the end fittings of the completed sucker rod, the female threaded component configured to work with a collar and a machine mount, allowing the completed sucker rod to be mounted in the apparatus; (e) fitting the female threaded component, collar, and machine mount into the movable carriage; (f) performing a modified pull test and testing elongation of the completed sucker rod; (g) measuring live load, peak load and elongation of the completed sucker rod during the pull test using the modified pull test apparatus, and (h) plotting elongation of the completed sucker rod during the modified pull test.