关于高度水库相位行为模拟方法的研究.
Zhongxin Ren1, Jianjun Li1, Hongfei Yuan2
1China Oil & Gas Pipeline Network Corporation, Shanghai 200120, China.
ACS omega
|May 13, 2024
概括
这项研究引入了高盐度水库的新相位平衡模型,考虑盐度变化. 该模型准确地预测了相位行为和盐度分布,这对于碳化合物勘探和生产至关重要.
科学领域:
- 石油地质化学 石油地质化学
- 物理化学 物理化学
- 储水库工程 储水库工程
背景情况:
- 盐度显著影响现有状态方程和相图分析的准确性.
- 忽视高盐度水库中的盐度变化会导致相位平衡计算中的重大错误.
- 传统方法不足以准确地建模高盐度环境中的相位行为.
研究的目的:
- 为高盐度碳化合物储库开发更准确的相位平衡计算模型.
- 为了研究盐度对相位行为和分布的影响.
- 为了能够实时监测水库相位状态.
主要方法:
- 纳入碳化合物-盐水二元相互作用系数和α-函数.
- 盐度的定义和考虑其随着压力和温度的变化.
- 基于水和盐含量的摩尔百分比的相位行为模拟.
- 使用测量数据进行相位分布模拟.
主要成果:
- 为高盐度系统建立了一个全面的相位平衡模型.
- 精确的相位图和盐度分布计算得到了.
- 成功模拟了水和盐含量对相位行为的影响.
- 确定了高盐度水库中相位状态和盐度变化的规律.
结论:
- 开发的模型在高盐度水库中提供了更完美的相位平衡计算.
- 使用流体组成数据,可以实时监测高盐度水库相位状态.
- 该研究为气体储开发和碳化合物-盐系统的动态评估提供了理论基础.
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