Coal Geology & Exploration

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Production characteristics of deep coalbed methane wells in the Linxing block and associated their influencing factors
WANG Zhizhuang, WU Peng, SUN Qiang, LIU Rui, and WANG Lingbo

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State of the art and future directions in groundwater contamination risk assessment
XU Beiyi, WANG Ce, ZHOU Guangyang, and ZHOU Pengpeng

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Accumulation mechanisms and resource potential of helium in coal measures: A case study of the eastern margin of the Ordos Basin
LIU Xiangbai, TAO Shizhen, YANG Xiuchun, ZHAO Qun, CHEN Yanyan, LIU Ziyang, PEI Xiangbing, WANG Longfei, YI Wei, FENG Jianqiu, ZHANG Tan, GAO Jianrong, TAO Xiaowan, LIU Zhuangxiaoxue, LI Chaozheng, YANG Yiqing, and CHEN Yue

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Geological characteristics and favorable area evaluation of deep coalbed methane in Wangfu fault depression, southern Songliao Basin
SHEN Xia, GONG Haitao, SHAO Mingli, YANG Minfang, and HUO Wanguo

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Acoustic velocity inversion based on convolutional autoencoder embedded with Fourier neural operator
LI Chen, ZHAO Haixia, BAI Zhaowei, and HAO Yufan

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Deep coal reservoirs in the Ningwu Basin: Geothermal field characteristics and their effects on gas-bearing properties
XI Zhaodong, TANG Shuheng, LIU Zhong, QU Xiaorong, ZHANG Pengbao, SU Yufei, and ZHANG Qian

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A nanoindentation-based study on the micromechanical properties of red shales
ZHOU Lang, MA Zhenqian, HUANG Qingrong, SHUAI Yunlin, ZHANG Jimin, and LIU Rongke

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Research progress of rotary steerable system and its control methods
LI Wei, MOU Lei, ZHOU Xiancheng, TAN Xianhui, and FU Quan

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An intelligent identifying-while-drilling method for geological features of roof strata in coal roadways based on a 1DCNN-BiLSTM-CBAM model
LEI Zhiyong, WANG Jiawen, FAN Dong, LU Feifei, and CHEN Weiming

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Pneumatic directional drilling technology and equipment for broken-soft coal seams in underground coal mines
TIAN Hongliang, ZHANG Jinbao, WANG Li, FANG Jun, and WANG Jianqiang