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Updated: Jun 20, 2025

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Methane Hydrate Crystallization on Sessile Water Droplets
Published on: May 26, 2021
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关于对酸盐形成过程的影响的机制研究
Jinghua Chen1,2, Huiyong Liang3, Haihong Chen1,2
1State Key Laboratory of Offshore Natural Gas Hydrates, Beijing 100028, China.
ACS omega
|July 22, 2024
概括
的存在减缓了水合物的形成,大多数在水合物形成之前沉. 了解这些相互作用是管理石油生产期间的沉积的关键.
科学领域:
- 石油工程是石油工程中的一个.
- 热力学是一种热力学.
- 物理化学 物理化学
背景情况:
- 在恶劣的条件下 (低温,高压) 和水合物形成同时发生.
- 这些共存的现象在热力学和动力学上相互影响.
- 有效的管理需要了解它们的复杂相互作用.
研究的目的:
- 调查如何影响油水系统中的水合物形成率.
- 为了确定水合物形成对晶沉热力学的影响.
- 为控制生产中的沉积提供洞察力.
主要方法:
- 在不同的和水含量下对油水系统进行实验分析.
- 监测沉和水合物形成动力学.
- 结晶和水合物核的热力学建模.
主要成果:
- 的存在显著降低了水合物形成的速度,尤其是在度较高的情况下.
- 在高系统中,超过70%的在水合物形成之前沉.
- 低水含量增加了核形成点,导致降水率更为多样化;这种效应在10%以上的水量下降.
- 酸盐的水友性质对核和生长的影响最小.
结论:
- 通常在水合物形成之前沉.
- 在石油生产过程中,沉积控制至关重要.
- 和水合物之间的相互作用是复杂的,并且取决于条件.
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