Propagation path tracing of hydraulically created fractures based on microseismic monitoring

Autor: Liu Hong-lei, Huang Hai-ting, Zhang Peng-hai, Li Lian-chong, Hou Jun-xu, Zhang Liao-yuan, Zhang Zi-lin
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Frontiers in Earth Science, Vol 10 (2022)
Druh dokumentu: article
ISSN: 2296-6463
DOI: 10.3389/feart.2022.952694
Popis: To evaluate the effect of hydraulic fracturing in a low-permeability reservoir, a propagation path tracing method for hydraulically created fractures was established based on microseismic monitoring data. First, the numerical simulation of the wave propagation process, grid search, and error-weight coefficient method was combined to locate the microseismic source. Then, the moment tensor inversion method was used to determine the tensile angle and source mechanism of hydraulically created fractures. Next, the tensile angle was used as the weight-index to determine the size of the mixed-source mechanism fracture combined with the shear and tensile source size quantization model. Finally, the spatial topological relationship between fractures was determined by comprehensively considering the spatial location and radius of the fractures, to realize the propagation path tracing of hydraulically created fractures. These tracking results can be used as one of the bases for the evaluation of the hydraulic fracturing effect.
Databáze: Directory of Open Access Journals