Abstract:Surface microseismic monitoring is an effective method to evaluate the fracturing effect of horizontal well. By adopting the rectangular observation system, shallow-depth embedment and soil-covering coupling compaction acquisition techniques of high sensitivity geophones, obvious fracturing microseismic signals are obtained in shale reservoir in the horizontal interval of SYY-2HF well below 2000 m. The application of key processing technology including data normalization, noise suppression, velocity modeling and seismic source localization has effectively improved the imaging precision of low-frequency signals in shale reservoir. Through high-precision inversion positioning and interpretation technology, the paper objectively evaluates the fracturing effect of SYY-2HF well and puts forward suggestions for fracturing optimization.
姚玉来, 李昂, 李士超, 杨建国, 肖飞, 王维红. 地面微地震监测技术在页岩油水平井压裂效果评价中的应用——以松页油2HF井为例[J]. 地质与资源, 2022, 31(1): 106-114.
YAO Yu-lai, LI Ang, LI Shi-chao, YANG Jian-guo, XIAO Fei, WANG Wei-hong. APPLICATION OF SURFACE MICROSEISMIC MONITORING TECHNOLOGY IN FRACTURING EFFECT EVALUATION OF SHALE OIL HORIZONTAL WELL: A Case Study of SYY-2HF Well. GEOLOGY AND RESOURCES, 2022, 31(1): 106-114.
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