Estimation of the quality factor based on the microseismicity recordings from Northern Poland

Acta Geophysica

article

Wandycz, Paweł¹  Święch, Eryk¹  Eisner, Leo²  Pasternacki, Andrzej¹  Wcisło, Miłosz⁴  Maćkowski, Tomasz¹ 

[1] Department of Fossil Fuels, Faculty of Geology, AGH University of Science and Technology in Krakow;Seismik s.r.o.;Shell Business Operations Krakow, Data - Upstream Projects and Technology Kraków;Institute of Rock Structure and Mechanics, The Czech Academy of Sciences

关键词: Attenuation;    Microseismicity;    Polish shale gas;    Quality factor;   

DOI  :  10.1007/s11600-019-00362-7

学科分类：地球科学(综合)

来源: Polska Akademia Nauk * Instytut Geofizyki

【 摘 要 】

We use the peak frequency method to estimate effective P- and S-wave quality factors (QP and QS) based on the recorded waveforms of microseismic events. We analyze downhole datasets recorded during the hydraulic stimulation of the two unconventional gas reservoirs located in the northern part of Poland. The effective attenuation is lower in the deeper reservoir consistent with higher compaction. In both cases, we observe high QS values relative to QP which is consistent with attenuation coefficients of saturated reservoirs.

【 授权许可】

Unknown