对水力压裂裂缝延伸方向平行于断层的认识  

COGNITION OF HYDRAULIC FRACTURE EXTENSION DIRECTION WHICH RUNS PARALLEL TO FAULT

作　　者：周道全[1] 杨全疆[1] 

机构地区：[1]中原油田采油二厂地质大队

出　　处：《钻采工艺》2003年第6期39-41,共3页Drilling & Production Technology

摘　　要：油田开发研究与实践认为 ,水力压裂裂缝延伸方向总是平行于地层最大水平主应力方向或垂直于断层走向。濮城油田沙三段油藏 2 0 0 1年压裂裂缝监测资料显示 ,一半以上压裂井的裂缝延伸方向平行或近似平行于主断层或次级断层 ,重新认识研究后认为这种情况确实存在 ,深入研究其内在原因并提出准确预测压裂裂缝延伸方向的解决办法 。The oilfield development studies think that the hydraulic fracture extension directions always run parallel to the biggest horizontal major stress direction of the strata or perpendicular to the fault.According to the crack monitoring data on the Third Member of Shahejie Formation of Pucheng oilfield in 2001,the fracture extension directions of above half fractured run parallel or run parallel approximately to the mian or hypo-fault,and research afresh to think this kind of circumstances are really exsiting.The paper analyses its inside reason and brings up the the solution that can predict accurately the hydraulic fracture extension direction.It has the important leading meaning for development well pattern distribution in oilfield and carrying out fracturing measure.

关 键 词：水力压裂 油气层 低渗透油藏 断层 裂缝 油田开发 

分 类 号：TE357.12[石油与天然气工程—油气田开发工程]