低渗油藏径向水力射流压裂裂缝延伸规律
低渗油藏径向水力射流压裂裂缝延伸规律
About this item
Full title
低渗油藏径向水力射流压裂裂缝延伸规律
Author / Creator
Journal title
中国石油大学学报：自然科学版, 2016, Vol.40 (2), p.129-134
Language
Chinese
Formats
Subjects
More information
Scope and Contents
Contents
基于扩展有限元法基本理论，建立水力径向射流压裂裂缝延伸三维有限元模型，结合岩石的抗拉破坏准则，研究径向钻孔参数包括钻孔孔径、钻孔方位角及钻孔深度对地层破裂压力的影响。结果表明：随着孔眼直径的增加，起裂压力呈明显的线性降低趋势；地层破裂压力随着射孔方位角的增加而增大，40°为获得地层低破裂压力所允许的临界射孔方位角，优化钻孔与最大水平地应力的最佳夹角不超过40°；不同射孔角度下压裂裂缝扩展规律亦不同。
Alternative Titles
Full title
低渗油藏径向水力射流压裂裂缝延伸规律
Authors, Artists and Contributors
Author / Creator
Identifiers
Primary Identifiers
Record Identifier
TN_cdi_chongqing_primary_668467328
Permalink
https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_chongqing_primary_668467328
Other Identifiers
ISSN
1673-5005
How to access this item
Log in as a Library member
