川西窄河道低渗砂岩气藏潜力分析
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摘要
川西地区什邡蓬莱镇组气藏JP_2~3气层平面非均质性强,开采井网不规则,剩余气分布不明确,对储量动用分析以及挖潜的正确性增加了难度。为此,根据什邡蓬莱镇组JP_2~3气层的地质特征,利用petrel三维建模技术和eclipse数值模拟技术建立三维地质模型并完成生产历史拟合,得到JP_2~3气层目前地层压力分布图。结合储量分类图及静态储层参数分布图找到JP_2~3气层潜力区,为下一步气层开发及挖潜提供有利的依据。结果显示:JP_2~3气层的潜力区主要分布在114-1HF和101-3井之间,23-15HF和104-1HF井之间以及87-1、23-1H和23-3HF井左上部。
The JP_2~3 gas reservoir in the Penglaizhen formation of Shifang area heterogeneity is strong and production well pattern is irregular, the remaining gas distribution is not clear, increase the difficulty of the reserves producing analysis and the correctness of the potentialities. Therefore, according to the geological characteristics of the JP_2~3 gas reservoir, model three-dimensional modeling by p etrel and completes the production history matching by eclipse, to get its present pressure distributing figure. Combined with reserves classification figure and static reservoir parameter distribution find JP_2~3 gas potential areas, provide favorable basis for gas reservoir development and the next exploration. The result shows the potential area of JP_2~3 gas reservoir are mainly distributed in between 114-1HF and 101-3 wells,between 23-15 HF and 104-1HF wells, and 87-1, 23-1H and 23-3HF wells upper left.
The JP_2~3 gas reservoir in the Penglaizhen formation of Shifang area heterogeneity is strong and production well pattern is irregular, the remaining gas distribution is not clear, increase the difficulty of the reserves producing analysis and the correctness of the potentialities. Therefore, according to the geological characteristics of the JP_2~3 gas reservoir, model three-dimensional modeling by p etrel and completes the production history matching by eclipse, to get its present pressure distributing figure. Combined with reserves classification figure and static reservoir parameter distribution find JP_2~3 gas potential areas, provide favorable basis for gas reservoir development and the next exploration. The result shows the potential area of JP_2~3 gas reservoir are mainly distributed in between 114-1HF and 101-3 wells,between 23-15 HF and 104-1HF wells, and 87-1, 23-1H and 23-3HF wells upper left.
引文
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[3]卜淘,李忠平,詹国卫,等.川西坳陷低渗砂岩气藏剩余气类型及分布研究[J].天然气工业,2003,23(Z1):13-15.
[4]赵正果,王顺玉.低渗砂岩气藏提高采收率措施研究[J].天然气勘探与开发,2012,35(3):44-48,56.
[5]张箭,李华昌,刘成川.新场气田低渗致密沙二气藏数值模拟研究[J].天然气工业,2002,22(3):58-61.
[6]青淳,唐红君,卜淘.川西坳陷新场气田浅层气藏开发技术难点及对策[J].天然气工业,2002,22(3):55-58.
[7]赵双丰,张枝焕,李文浩,等.川西坳陷什邡地区蓬莱镇组天然气藏特征及成藏过程分析[J].中国地质,2015,(2):515-524.
[8]陈佩佩,胡望水,周钱山,等.四川盆地什邡-德阳-广金地区蓬莱镇组致密气藏特征[J].科学技术与工程,2014,14(22):164-168.