Abstract:The paper presents results of design, development, manufacturing technologies, and experimental studies of prototypes of the multilayer tubing with thermal insulation from short basalt fibers and an outer shell of wound glass fiber. New multilayer tube was designed with hardening of the composite outer layer in the section exposed to hydraulic tongs impact during installation and tubes’ lowering into the oil wells. It was demonstrated that high-temperature and low-density thermal insulation of the tubes could … Show more
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