冻土区天然气水合物生成与分解条件预测研究进展
Research Progress on Predicting the Formation and Decomposition Conditions of Natural Gas Hydrates in Permafrost Regions
摘要: 冻土区天然气水合物钻井过程中因温度、压力的变化造成天然气水合物在钻井环空中分解又重新生成，易引起井控风险和堵塞井筒风险。为了准确预测冻土区天然气水合物分解和再次生成的具体位置，对天然气水合物生成和分解条件做了细致的描述，主要有图解法、经验公式法和热力学模型法。由于冻土区天然气水合物的独特成藏条件，使用适合的预测方法，准确预测天然气水合物的分解与生成，旨在为我国冻土区天然气水合物相关研究提供借鉴和参考。
Abstract: During drilling of natural gas hydrates in permafrost regions, temperature and pressure fluctuations cause natural gas hydrates to decompose and regenerate in the wellbore annulus, which can easily lead to well control risks and wellbore blockage. To accurately predict the specific locations of natural gas hydrate decomposition and regeneration in permafrost regions, a detailed description of the conditions for natural gas hydrate formation and decomposition was conducted, primarily using graphical methods, empirical formulas, and thermodynamic models. Due to the unique accumulation conditions of natural gas hydrates in permafrost regions, appropriate prediction methods were used to accurately predict the decomposition and formation of natural gas hydrates, aiming to provide reference and inspiration for research related to natural gas hydrates in permafrost regions in my country.
文章引用：牛雨琪, 吴达越, 王钰博, 于弋洋, 董源博. 冻土区天然气水合物生成与分解条件预测研究进展[J]. 环境保护前沿, 2025, 15(10): 1405-1412. https://doi.org/10.12677/aep.2025.1510155

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