摘要
水平井多级压裂为非常规油气藏的主要开采方式,钻前确定人工压裂改造范围,对优选水平井方位、压裂段划分方案及井距选择具有重要意义。文中应用物质点方法模拟人工裂缝与天然裂缝的交互作用,确定人工压裂改造范围与微地震事件分布范围一致,并优选了裂缝发育区及不发育区的水平段方位和平均段长。研究结果表明,应用物质点方法可有效预测水力压裂的人工改造范围,优选水平段方位及压裂段划分,促进非常规油气藏的高效开发。
Multi-stage fracturing of horizontal wells is the main production method for unconventional reservoirs.It’s important to determine the scope of artificial fracturing transformation for optimizing the orientation,fracturing section division plan and well spacing selection before drilling.The material point method was used to simulate the interaction between artificial fractures and natural fractures.The scope of artificial fracturing was determined,which was consistent with the distribution range of micro-seismic events,and the horizontal orientation and average length of the developed and undeveloped fracture zones were optimized.The results show that the application of material point method can effectively predict the artificial reconstruction range of hydraulic fracturing,optimize the horizontal orientation and completion plan,and promote the efficient development of unconventional reservoirs.
作者
李克智
边树涛
郭晓辉
LI Kezhi;BIAN Shutao;GUO Xiaohui(Huabei Oil&Gas Company,SINOPEC,Zhengzhou 450006,Henan,China)
出处
《石油地质与工程》
CAS
2023年第6期109-113,共5页
Petroleum Geology and Engineering
关键词
物质点法
非常规油气藏
多级压裂
压裂模拟
material point method
unconventional reservoirs
multi-stage fracturing
fracturing simulation
