油气藏评价与开发 ›› 2023, Vol. 13 ›› Issue (1): 108-116.doi: 10.13809/j.cnki.cn32-1825/te.2023.01.012
王晓强1(),赵立安2,王志愿2,修春红2,贾国龙2,董研1,卢德唐1()
收稿日期:
2021-11-19
出版日期:
2023-02-26
发布日期:
2023-01-30
通讯作者:
卢德唐
E-mail:wangxq2020@mail.ustc.edu.cn;dtlu@ustc.edu.cn
作者简介:
王晓强(1998—),男,在读硕士研究生,主要从事渗流力学研究。地址:安徽省合肥市金寨路96号,邮政编码:230026。E-mail: 基金资助:
WANG Xiaoqiang1(),ZHAO Li’an2,WANG Zhiyuan2,XIU Chunhong2,JIA Guolong2,DONG Yan1,LU Detang1()
Received:
2021-11-19
Online:
2023-02-26
Published:
2023-01-30
Contact:
LU Detang
E-mail:wangxq2020@mail.ustc.edu.cn;dtlu@ustc.edu.cn
摘要:
裂缝实时监测评价是水平井多段压裂过程中的一个核心问题,长期以来受到大量学者的关注。压裂施工停泵期间的压力包括水锤压力和渗流压力两部分,通过在井口安装高频压力装置,不仅可以采集停泵压降曲线,还可以完整地采集到水锤波波形曲线。通过对井筒水锤控制方程的数值求解,获得模拟的水锤波压力数据。对模拟的水锤波压力进行倒谱分析验证了水锤波产生的压力具有卷积特性,根据波阻抗及倒谱分析相关理论,利用水锤波可判断水平井多簇压裂的裂缝簇数与深度。在四川页岩气井的现场应用表明:该方法能够发现5个进液点,其中4个进液点的反演结果与4个射孔位置接近,设计中剩余的4簇孔对应的进液点在倒谱分析中并没有监测到。
中图分类号:
王晓强,赵立安,王志愿,修春红,贾国龙,董研,卢德唐. 基于水锤效应与倒谱变换的停泵压力分析方法[J]. 油气藏评价与开发, 2023, 13(1): 108-116.
WANG Xiaoqiang,ZHAO Li’an,WANG Zhiyuan,XIU Chunhong,JIA Guolong,DONG Yan,LU Detang. Data analysis method of pump shutdown pressure based on water hammer effect and cepstrum transformation[J]. Reservoir Evaluation and Development, 2023, 13(1): 108-116.
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