CAJ | 학술논문

随着油气开采从陆地向深海发展，防止气体水合物堵塞管道成为重要的安全挑战之一。在50m长的高压循环管路里，对CO2水合物的形成过程和流动特性进行了研究。研究结果显示在管径相同的水平管道内各处水合物几乎是同时形成的，最先成核形成小颗粒，然后小颗粒聚集成絮状；在水转化率为4%时，管道内没有形成局部堵塞；水合物形成后会导致管道内流动阻力增大，液体流速瞬间降低。
수착유기개채종륙지향심해발전，방지기체수합물도새관도성위중요적안전도전지일。재50m장적고압순배관로리，대CO2수합물적형성과정화류동특성진행료연구。연구결과현시재관경상동적수평관도내각처수합물궤호시동시형성적，최선성핵형성소과립，연후소과립취집성서상；재수전화솔위4%시，관도내몰유형성국부도새；수합물형성후회도치관도내류동조력증대，액체류속순간강저。
With oil and gas exploitation and production moving from land to deep sea, preventing gas hydrate blockage of pipelines became a major safety challenge. CO2 gas hydrate formation and flow characteristics in pipeline were investigated. The results showed that gas hydrates almost form simultaneously at the different sections of horizontal pipe with the same diameter and small hydrate particles suspended in the pipe at the beginning, then aggregated and existed in flocculent form; with 4% of the water conversing to hydrate, there was no blockage in the pipe; and the formation of CO2 gas hydrate could result in flow resistance increasing and liquid flow rate?decreasing momentarily.