基于深度学习的低场NMR弛豫时间谱反演新方法

刘可文, 姜予康, 陈方, 陈俊飞, 卢媛, 陈黎, 刘朝阳

A Deep Learning-based Method for LF-NMR Relaxation Time Spectrum Inversion

LIU Kewen, JIANG Yukang, CHEN Fang, CHEN Junfei, LU Yuan, CHEN Li, LIU Chaoyang

图12 UDMCA与BRD在低信噪比岩心数据下的反演结果谱与BRD在累加次数为256的高信噪比岩心数据下反演结果谱的对比. (a)红砂岩；(b)细砂岩；(c)人造砂岩

Fig. 12 Comparison of inversion spectra obtained by UDMCA and BRD for low-SNR core data with those obtained by BRD for high-SNR core data with 256 signal accumulations. (a) Red sandstone; (b) Fine sandstone; (c) Artificial sandstone