Acoustic emission-based numerical simulation of tectonic stress field for tectoclase prediction in shale reservoirs of the northern Guizhou area, China

• DOI: 10.1016/j.engeos.2021.10.005
• Publication Date: 2021-10-19T14:11:32Z
• Authors: Zhonghu Wu; Motian Tang; Yujun Zuo; Yili Lou; Wentao Wang; Hao Liu; Wenjibin Sun
• Keywords: Shale Gas; Stress field

Natural fractures, like tectoclases, are essential in the formation of shale gas reservoirs and have been focus study for development. Tectoclases provide most storage space largely controlled by paleo-tectonic stress field Niutitang Formation, northern Guizhou area, China. An accurate prediction development distribution tectoclases is great significance to exploring developing sweet spots area. Based on geological structure evolution fracture characterization, this focused factors that control Formation through characterization modeling geomechanisms tectonic movements. A geomechanical model formulated against background On basis, fractures predicted using acoustic emission data. Numerical simulation results show tectoclase fault zones, some which no obvious turning points with middle sections being more developed fragmented than those at two ends. Some these S-shaped where fragmented.