摘要
人们现在日益增长的能源需求使越来越多的目光聚焦于非常规油气藏的开发上,而使用滑溜水的水力压裂技术是用于非常规油气藏的重要技术,在页岩气与致密砂岩气等非常规油气藏的开采上有着不可替代的作用。水力压裂的增产效果取决于能否形成有效导流能力的裂缝,而有效导流能力的裂缝又取决于支撑剂在裂缝中的铺置情况,所以实验探究支撑剂在裂缝内的运移情况与铺置规律有利于现场施工取得更好的增产效果。在查阅与学习文献资料的基础上,使用“水力压裂裂缝与射孔模拟实验系统”来研究各种因素对支撑剂运移沉降形成的砂堤形态的影响。分析了因影响因素改变而造成的砂堤平衡时间、砂堤平衡高度、砂堤前缘距离、砂堤前缘高度的变化规律。
The growing energy demand is now focusing more and more on the development of unconventional reservoirs,and the hydraulic fracturing technology using slick water is an important technology for unconventional reservoirs,in shale gas and compact There is an irreplaceable role in the exploitation of unconventional oil and gas reservoirs such as sandstone gas.The effect of hydraulic fracturing on yield increase depends on whether cracks can form effective flow guiding ability,and the cracks with effective conductivity are determined by the placement of proppant in the crack.Therefore,the experiment explores the migration of proppant in the crack.And the laying rules are conducive to better on-site construction to achieve better production.On the basis of reviewing and studying the literature,this paper uses the"hydraulic fracturing crack and perforation simulation experiment system"to study the influence of various factors on the shape of the sand bank formed by proppant migration and sedimentation.The variation law of sand embankment balance time,sand dam balance height,sand dam front edge distance and sand dam front edge height caused by the change of influencing factors is analyzed.
作者
脱直霖
Tuo Zhilin(College of Petroleum Engineering,Xi'an Shiyou University,Shanxi Xi'an 710065)
出处
《云南化工》
CAS
2020年第8期58-60,共3页
Yunnan Chemical Technology
基金
国家科技重大专项资助项目(2016ZX05050-009)。
关键词
滑溜水压裂
砂堤形态
支撑剂运移
Slip water fracturing
sand bank morphology
proppant migration
