天然气水合物生成条件预测研究进展

Reseach Advance of the Prediction of Nature Gas Hydrate Formation Conditions

天然气水合物的生成会引起油气生产过程中运输管道设备堵塞。为了能准确地预测天然气水合物生成的具体位置,对不含抑制剂体系(不含盐和醇类)天然气水合物的生成条件做了详尽的描述。对于烃类天然气水合物生成条件的预测,主要有热力学模型、关联公式以及经验图解法。而对于酸性天然气水合物生成条件的预测,主要有热力学模型、支持向量机和神经网络算法。在不同的环境条件下使用合适的预测方法,可以准确地预测天然气水合物的生成。同时,对今后的研究工作提出了展望,旨在为中国天然气水合物相关研究提供借鉴与参考。

The formation of natural gas hydrate will cause blockage of transportation pipeline equipment in the process of oil and gas production.In order to accurately predict the specific location of gas hydrate formation,a detailed description of the formation conditions of gas hydrates without inhibitors(without salt and alcohols)is described in detail.For the prediction of hydrocarbon gas hydrate formation conditions,there are mainly thermodynamic models,correlation formulas and empirical graphical methods.For the prediction of the formation conditions of sour gas hydrate,there are mainly thermodynamic models,support vector machines and neural network algorithms.The prediction of natural gas hydrate can be accurately predicted using appropriate prediction methods under different environmental conditions.At the same time,the future research work is prospected,so as to provide reference and reference for natural gas hydrate research in China.