Publication number: 20240296204
Abstract: Provided is an analysis method for determining gas-bearing situation of an unknown shale reservoir, includes: S1, selecting a shale reservoir of a target interval of a place; and collecting data of parameters of cores of each of a known gas-bearing shale reservoir A and a known water-bearing shale reservoir B; S2, calculating average values of the parameters of each of the reservoirs A and B respectively; S3, calculating average differences of the parameters of each of the reservoirs; S4, calculating covariance values of the parameters of each of the reservoirs; S5, establishing, according to the covariance values, an equation group and resolving discriminant coefficients; S6, establishing a discriminant equation according to the discriminant coefficients and solving a discriminant index; and S7, obtaining values of parameters of cores of a sample of the unknown shale reservoir, calculating a discriminant value, and determining gas-bearing situation of the unknown shale reservoir.
Type:
Application
Filed:
March 1, 2024
Publication date:
September 5, 2024
Inventors:
Kun Zhang, Shu Jiang, Pei Liu, Xuri Huang, Xiangyu Fan, Hong Liu, Hu Zhao, Jun Peng, Xiong Ding, Lei Chen, Xuefei Yang, Bin Li, Binsong Zheng, Jinhua Liu, Fengli Han, Xueying Wang, Xinyang He, Xuejiao Yuan, Jingru Ruan, Hengfeng Gou, Yipeng Liu