Development of innovative approach for manufacturing pure composite basalt-glass plastic protective belt and transport pipes

The research object is the equipment and pipelines used in oil and gas well-gathering and transportation systems, with particular emphasis on their corrosion protection and operational reliability under aggressive physicochemical conditions and mechanical wear. The research addresses the scientific and applied problem of premature degradation of conventional metallic components, which leads to equipment failures, increased maintenance requirements, and reduced service life. The research methodology involved the development and testing of basalt-plastic and fiberglass-plastic protective coatings for casing strings, tubing, and transport pipelines, together with the development and evaluation of composite plastic sucker rods as an alternative to conventional steel rods. The proposed protective coatings are intended to improve resistance to corrosion, impact, and abrasion while reducing the accumulation of salts, paraffins, and asphaltene-resin compounds on equipment surfaces. Experimental results showed that the tensile yield strength of the developed plastic sucker rods reached 864 MPa, exceeding the specified requirement of 800 MPa by 8%. The rods also operated in test wells for 758 days without failure. In addition, calculations indicated that the proposed protective technology could reduce the time required to repair faults and damage by up to 25%. These quantitative results demonstrate the potential of the developed composite solutions to improve mechanical performance, operational reliability, and maintenance efficiency in oilfield applications. The findings support the application of basalt-plastic and fiberglass-plastic protective systems and composite plastic sucker rods in oil and gas production and transportation infrastructure. Further comparative testing under standardized conditions is required to quantify their long-term advantages over conventional metallic solutions.

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