Core Viewpoint - The successful application of Sinapara aramid fiber in thermoplastic pipes enhances the operational efficiency and cost-effectiveness of subsea oil pipelines, providing safer solutions for offshore oilfield development [2][3] Group 1: Product Innovation - Sinapara aramid fiber SF6800 has been developed and applied for the first time in the enhancement of RTP pipes in China, addressing the challenges of subsea pipeline maintenance [2] - The new composite flexible pipeline features a corrosion-resistant inner layer, an aramid fiber reinforcement layer, and a wear-resistant outer layer, significantly improving the performance of subsea oil pipelines [2] Group 2: Operational Efficiency - The new RTP pipes can be inserted into existing pipelines, restoring their sealing and strength through thermal shrinkage, effectively solving deep-sea pipeline repair challenges [2] - Compared to traditional steel and fiberglass pipes, the aramid-reinforced RTP pipes exhibit high impact resistance, hydrolysis resistance, and stress corrosion resistance, suitable for transporting corrosive oil and gas [3] Group 3: Cost and Longevity Benefits - The installation efficiency of the new RTP pipes is five times that of traditional methods, with installation costs reduced by nearly 30% [3] - The lifespan of the new pipes can reach up to 25 years, with continuous lengths of several hundred to over a thousand meters, minimizing joints and significantly reducing the risk of pipeline leaks [3]