基于Multiflash预测天然气水合物形成条件
Prediction and Evaluation of Gas Hydrate Formation Conditions Based on Multiflash
DOI: 10.12677/JOGT.2022.443027, PDF,   
作者: 蒋 志, 唐 诗, 杜 涓, 马 蠡, 沈武冬, 周 清：中国石油西南油气田分公司川中油气矿工艺研究所，四川 遂宁
关键词: Multiflash；天然气；水合物；预测；评价；Multiflash； Gas； Hydrate； Prediction and Evaluation
摘要: 天然气水合物形成后会造成堵塞等危害，严重影响安全生产，因此准确预测天然气水合物形成条件至关重要。目前，常见预测方法中，公式法计算较为繁琐；图像法针对性不强，误差较大；而软件模拟法操作较为简便且准确度高。通过使用多相流稳态模拟软件PIPESIM中集成的Multiflash软件，通过已知压力计算温度和已知温度计算压力两种方式对天然气进行了水合物模拟计算。结果表明，定压计算温度时误差较小，定温计算压力时相对公式法误差较小，能基本满足工程实践的需要。
Abstract: The formation of natural gas hydrate will cause harm to natural gas exploitation, such as blocking gathering and transportation system, seriously affecting the safety of production. Therefore, it is very important to predict the formation conditions of gas hydrate. At present, the common prediction methods are formula method and image method. The calculation using formula method is more complicated, and the image method cannot be mapped according to the specific components because of the diversity of gas components, so it is not targeted and has a large error. The Multiflash software attached to the multiphase flow steady-state simulation software PIPESIM can conduct hydrate simulation calculations according to the specific temperament components. In this paper, the temperature is calculated by known pressure and the pressure is calculated by known temperature. The results show that the error is small and can well meet the needs of engineering practice.
文章引用：蒋志, 唐诗, 杜涓, 马蠡, 沈武冬, 周清. 基于Multiflash预测天然气水合物形成条件[J]. 石油天然气学报, 2022, 44(3): 212-222. https://doi.org/10.12677/JOGT.2022.443027

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