摘要
Thornhill&Graver模型是计算干气通过气嘴节流的常用数学模型,但许多气井都不同程度地含有液体,正确预测气液两相气嘴节流问题具有重要的实际意义。文章应用稳定流动能量方程,将凝析油气作为复合气体,然后考虑复合气体—水混合物的气液两相节流,提出了用于高气液比气井节流计算新模型。与干气气嘴节流模型相比较,新的气液两相节流模型包含了一含水校正系数。
Thornhill & Graver model is the common mathema tical model to calculate the throttling when dry gas passes through the chock. B ut the gas from many gas wells contains liquid more or less. It is very importan t to predict gas/liquid bi-phase throttling correctly. With the energy equation of stable flow, taking condensate oil/gas as the complex gas, and investigating the gas/liquid bi-phase throttling of the complex gas/water mixture, the new m odel is developed for the throttling calculation of gas wells with high gas/liqu id ratio. Comparing with the model of dry gas throttling, the new model of gas/l iquid bi-phase throttling contains a water-bearing correction factor.
出处
《天然气工业》
EI
CAS
CSCD
北大核心
2005年第8期85-87,共3页
Natural Gas Industry
基金
国家自然科学基金项目资助(编号50374057)~~
