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管输工艺中天然气水合物防治技术探讨

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天然气水合物是由主客体分子相互作用形成的一种非化学计量的笼形络合物,在天然气输送、调峰及储存等过程中起重要作用,而天然气水合物应用技术的关键在于深入掌控天然气水合物的生成与消融.通过研究化学药剂类型、加剂量、降压速率、降压压差、降压时机 5 种影响因素下水合物消融与时间的关系及沿管线分布规律,揭示天然气水合物在管道流动体系下的分解规律.
Discussion on Prevention and Control Technology of Natural Gas Hydrate in Pipeline Transportation Process
Natural gas hydrate is a kind of non-stoichiometric cage complex formed by the interaction of host and guest molecules.Natural gas hydrate will play an important role in natural gas transportation,peak shaving,and storage processes,and the key to the application of natural gas hydrate technology is to deeply grasp the formation and ablation of natural gas hydrate.Therefore,this paper reveals the decomposition law of natural gas hydrate under the pipeline flow system by studying the relationship between hydrate ablation and time under the five influencing factors of chemical agent type,dosage,depressurization rate,depressurization pressure difference and depressurization time as well as the distribution law along the pipeline.

natural gas hydratepipelineprevention and control measuresformationablation

林洞峰、钟小侠、侯辰光、陈希、郭金

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中海石油(中国)有限公司天津分公司 天津 300459

天然气水合物 管道 防治措施 生成 消融

2024

天津科技
天津科学技术信息研究所

天津科技

影响因子:0.253
ISSN:1006-8945
年,卷(期):2024.51(9)