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|本期目录/Table of Contents|

基于渗流和水化的泥页岩破裂压力计算模型

《应用力学学报》[ISSN:1000-4939/CN:61-1112/O3]

期数:
2019年02期
页码:
249-253
栏目:
出版日期:
2018-12-18

文章信息/Info

Title:
Calculation model of shale fracturing pressure based on seepage and hydration
作者:
赵晓姣123屈展123樊恒2王萍4安风菊5
西北工业大学 航空学院 710072 西安;2西安石油大学 电子工程学院 710065 西安;3陕西省油气井及储层渗流与岩石力学 重点实验室 710065 西安;4西安石油大学 机械工程学院 710065 西安;5东营市胜丰安全技术服务有限责任公司 257000 东营
Author(s):
Zhao Xiaojiao123 Qu Zhan123 Fan Heng2 Wang Ping 4 An Fengju5
1 School of Aeronautics, Northwestern Polytechnical University, 710072, Xi’an, China; 2 School of Electronic Engineering, Xi’an Shiyou University,710065,Xi’an,China; 3 The Key Laboratory of Well Stability and Fluid and Rock Mechanics in Oil and Gas Reservoir of Shaanxi Province, 710065, Xi’an, China; 4 School of Mechanical Engineering, Xi’an Shiyou University, 710065, Xi’an, China; 5 Dongying Shengfeng Safety Technology Service Co., Ltd., 257000, Dongying, China
关键词:
泥页岩破裂压力水敏性渗透性孔隙度
分类号:
TE3
DOI:
10.11776/cjam.36.02.B007
文献标识码:
A
摘要:
基于弹塑性力学和岩石力学相关理论,应用最大张应力准则,在经典黄氏模型的基础上,考虑了钻井渗滤液在孔隙中的径向渗流在井壁围岩所产生的附加应力场、泥页岩的孔隙度、水基钻井液水化作用等的影响,建立了泥页岩油层部位破裂压力模型。结合现场压裂实验数据,用几种经典模型计算了泥页岩油层破裂压力,并与实测值进行了对比,本文模型误差为3.65%,表明本文破裂压力预测模型更加接近实际的地层破裂压力,可为钻井水力压裂设计提供参考。

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