[1] Li Y, Zhou D H, Wang W H, et al. Development of unconventional gas and technologies adopted in China[J]. Energy Geoscience, 2020, 1(1/2): 55-68.
[2] Zhong C, Qin Q R, Fan C H, et al. Effect of nanometer pore structure on methane adsorption capacity in organic-rich shale[J]. Petroleum Science and Technology, 2019, 37(11): 1243-1250.
[3] He S, Li H, Qin Q R, et al. Influence of mineral compositions on shale pore development of Longmaxi Formation in the Dingshan area, southeastern Sichuan Basin, China[J]. Energy & Fuels, 2021, 35(13): 10551-10561.
[4] 姜振学,唐相路,李卓,等. 川东南地区龙马溪组页岩孔隙结构全孔径表征及其对含气性的控制[J]. 地学前缘,2016,23(2):126-134.

Jiang Zhenxue, Tang Xianglu, Li Zhuo, et al. The whole-aperture pore structure characteristics and its effect on gas content of the Longmaxi Formation shale in the southeastern Sichuan Basin[J]. Earth Science Frontiers, 2016, 23(2): 126-134.
[5] 罗胜元,陈孝红,刘安,等. 中扬子宜昌地区下寒武统水井沱组页岩现场解吸气特征及地质意义[J]. 石油学报,2019,40(8):941-955.

Luo Shengyuan, Chen Xiaohong, Liu An, et al. Characteristics and geological significance of canister desorption gas from the Lower Cambrian Shuijingtuo Formation shale in Yichang area, Middle Yangtze region[J]. Acta Petrolei Sinica, 2019, 40(8): 941-955.
[6] 符宏斌,苑坤,卢树藩,等. 黔西上二叠统龙潭组高煤级煤微观孔隙结构特征及其对含气性的影响[J]. 天然气地球科学,2020,31(12):1814-1825.

Fu Hongbin, Yuan Kun, Lu Shufan, et al. Microscopic pore structure characteristics and its effect on gas-bearing property of high-rank coal in Upper Permian Longtan Formation in western Guizhou[J]. Natural Gas Geoscience, 2020, 31(12): 1814-1825.
[7] 王濡岳,聂海宽,胡宗全,等. 压力演化对页岩气储层的控制作用:以四川盆地五峰组—龙马溪组为例[J]. 天然气工业,2020,40(10):1-11.

Wang Ruyue, Nie Haikuan, Hu Zongquan, et al. Controlling effect of pressure evolution on shale gas reservoirs: A case study of the Wufeng-Longmaxi Formation in the Sichuan Basin[J]. Natural Gas Industry, 2020, 40(10): 1-11.
[8] 廖东良,路保平,陈延军. 页岩气地质甜点评价方法:以四川盆地焦石坝页岩气田为例[J]. 石油学报,2019,40(2):144-151.

Liao Dongliang, Lu Baoping, Chen Yanjun. An evaluation method of geological sweet spots of shale gas reservoir: A case study of the Jiaoshiba gas field, Sichuan Basin[J]. Acta Petrolei Sinica, 2019, 40(2): 144-151.
[9] 郭旭升,李宇平,刘若冰,等. 四川盆地焦石坝地区龙马溪组页岩微观孔隙结构特征及其控制因素[J]. 天然气工业,2014,34(6):9-16.

Guo Xusheng, Li Yuping, Liu Ruobing, et al. Characteristics and controlling factors of micro-pore structures of Longmaxi shale play in the Jiaoshiba area, Sichuan Basin[J]. Natural Gas Industry, 2014, 34(6): 9-16.
[10] 李卓,姜振学,唐相路,等. 渝东南下志留统龙马溪组页岩岩相特征及其对孔隙结构的控制[J]. 地球科学,2017,42(7):1116-1123.

Li Zhuo, Jiang Zhenxue, Tang Xianglu, et al. Lithofacies characteristics and its effect on pore structure of the marine shale in the low Silurian Longmaxi Formation, southeastern Chongqing[J]. Earth Science, 2017, 42(7): 1116-1123.
[11] 熊健,刘向君,梁利喜. 四川盆地富有机质页岩孔隙分形特征[J]. 断块油气田,2017,24(2):184-189.

Xiong Jian, Liu Xiangjun, Liang Lixi. Fractal characteristics of organic rich shale pore in Sichuan Basin, China[J]. Fault-Block Oil & Gas Field, 2017, 24(2): 184-189.
[12] 刘世明,唐书恒,霍婷,等. 柴达木盆地东缘上石炭统泥页岩孔隙结构及分形特征[J]. 天然气地球科学,2020,31(8):1069-1081.

Liu Shiming, Tang Shuheng, Huo Ting, et al. Pore structure and fractal characteristics of the Upper Carboniferous shale, eastern Qaidam Basin[J]. Natural Gas Geoscience, 2020, 31(8): 1069-1081.
[13] 杨锐,何生,胡东风,等. 焦石坝地区五峰组—龙马溪组页岩孔隙结构特征及其主控因素[J]. 地质科技情报,2015,34(5):105-113.

Yang Rui, He Sheng, Hu Dongfeng, et al. Characteristics and the main controlling factors of micro-pore structure of the shale in Wufeng Formation-Longmaxi Formation in Jiaoshiba area[J]. Geological Science and Technology Information, 2015, 34(5): 105-113.
[14] 张琴,梁峰,梁萍萍,等. 页岩分形特征及主控因素研究:以威远页岩气田龙马溪组页岩为例[J]. 中国矿业大学学报,2020,49(1):110-122.

Zhang Qin, Liang Feng, Liang Pingping, et al. Investigation of fractal characteristics and its main controlling factors of shale reservoir: A case study of the Longmaxi shale in Weiyuan shale gas field[J]. Journal of China University of Mining & Technology, 2020, 49(1): 110-122.
[15] 何陈诚,何生,郭旭升,等. 焦石坝区块五峰组与龙马溪组一段页岩有机孔隙结构差异性[J]. 石油与天然气地质,2018,39(3):472-484.

He Chencheng, He Sheng, Guo Xusheng, et al. Structural differences in organic pores between shales of the Wufeng Formation and of the Longmaxi Formation's First member, Jiaoshiba block, Sichuan Basin[J]. Oil & Gas Geology, 2018, 39(3): 472-484.
[16] 宋慧波,安红亮,刘顺喜,等. 沁水盆地武乡南煤层气赋存主控地质因素及富集区预测[J]. 煤炭学报,2021,46(12):3974-3987.

Song Huibo, An Hongliang, Liu Shunxi, et al. Controlling geological factors and coalbed methane enrichment areas in southern Wuxiang block, Qinshui Basin[J]. Journal of China Coal Society, 2021, 46(12): 3974-3987.
[17] 张鹏,黄宇琪,张金川,等. 黔西北地区龙潭组海陆过渡相泥页岩孔隙分形特征[J]. 煤炭学报,2018,43(6):1580-1588.

Zhang Peng, Huang Yuqi, Zhang Jinchuan, et al. Fractal characteristics of the Longtan Formation transitional shale in northwest Guizhou[J]. Journal of China Coal Society, 2018, 43(6): 1580-1588.
[18] 黄宇琪,张鹏,张金川,等. 海相、海陆过渡相页岩矿物组成对页岩孔隙分形特征的影响[J]. 矿物岩石地球化学通报,2020,39(3):548-557.

Huang Yuqi, Zhang Peng, Zhang Jinchuan, et al. The effect on the fractal characteristics of shale pores by mineral compositions of marine and marine-continental transitional shales[J]. Bulletin of Mineralogy, Petrology and Geochemistry, 2020, 39(3): 548-557.
[19] 闫高原,张军建,路冠文,等. 沁水盆地太原组—山西组页岩孔隙分形特征[J]. 新疆石油地质,2021,42(5):548-553.

Yan Gaoyuan, Zhang Junjian, Lu Guanwen, et al. Fractal characteristics of shale pores from Taiyuan Formation to Shanxi Formation in Qinshui Basin[J]. Xinjiang Petroleum Geology, 2021, 42(5): 548-553.
[20] 邵龙义,杨致宇,房超,等. 沁水盆地石炭—二叠纪海陆过渡相含煤岩系页岩气地质条件及勘探潜力[J]. 中国煤炭地质,2021,33(10):1-10.

Shao Longyi, Yang Zhiyu, Fang Chao, et al. Permo-Carboniferous marine-terrestrial transitional facies coal measures shale gas geological conditions and exploration potential in Qinshui Basin[J]. Coal Geology of China, 2021, 33(10): 1-10.
[21] 李阳阳,李贤庆,张学庆,等. 沁水盆地阳泉区块上古生界煤系页岩气储层特征[J]. 煤田地质与勘探,2021,49(2):142-151.

Li Yangyang, Li Xianqing, Zhang Xueqing, et al. Characteristics of shale gas reservoir in Upper Paleozoic coal measures in Yangquan block, Qinshui Basin[J]. Coal Geology & Exploration, 2021, 49(2): 142-151.
[22]

Zhao H, Liu W H, Wang X F. The openness degree study of the Jiaoshiba shale gas, Sichuan Basin, China-potential factor responsible for reversed isotope series[J]. Acta Geologica Sinica, 2018, 92(6): 2457-2459.
[23] 何顺,秦启荣,范存辉,等. 川东南丁山地区五峰—龙马溪组页岩储层特征及影响因素[J]. 油气藏评价与开发,2019,9(4):61-67,78.

He Shun, Qin Qirong, Fan Cunhui, et al. Shale reservoir characteristics and influencing factors of Wufeng-Longmaxi Formation in Dingshan area, southeast Sichuan[J]. Reservoir Evaluation and Development, 2019, 9(4): 61-67, 78.
[24] 魏祥峰,刘珠江,王强,等. 川东南丁山与焦石坝地区五峰组—龙马溪组页岩气富集条件差异分析与思考[J]. 天然气地球科学,2020,31(8):1041-1051.

Wei Xiangfeng, Liu Zhujiang, Wang Qiang, et al. Analysis and thinking of the difference of Wufeng-Longmaxi shale gas enrichment conditions between Dingshan and Jiaoshiba areas in southeastern Sichuan Basin[J]. Natural Gas Geoscience, 2020, 31(8): 1041-1051.
[25] 王超,张柏桥,舒志国,等. 焦石坝地区五峰组—龙马溪组页岩纹层发育特征及其储集意义[J]. 地球科学,2019,44(3):972-982.

Wang Chao, Zhang Boqiao, Shu Zhiguo, et al. Shale lamination and its influence on shale reservoir quality of Wufeng Formation-Longmaxi Formation in Jiaoshiba area[J]. Earth Science, 2019, 44(3): 972-982.
[26] 林子智,卢双舫,常象春,等. 陆相页岩微观孔隙结构及分形特征:以徐家围子断陷沙河子组为例[J]. 煤田地质与勘探,2021,49(1):151-160.

Lin Zizhi, Lu Shuangfang, Chang Xiangchun, et al. Micro-pore structure and fractal characteristics of terrestrial shales: A case study of Shahezi Formation in Xujiaweizi Fault Depression[J]. Coal Geology & Exploration, 2021, 49(1): 151-160.
[27] 肖磊,李卓,杨有东,等. 渝东南下志留统龙马溪组不同岩相页岩的孔隙结构与分形特征[J]. 科学技术与工程,2021,21(2):512-521.

Xiao Lei, Li Zhuo, Yang Youdong, et al. Pore structure and fractal characteristics of different lithofacies shales of the Lower Silurian Longmaxi Formation in southeast Chong-qing[J]. Science Technology and Engineering, 2021, 21(2): 512-521.
[28] 孙雷,高玉琼,潘毅,等. 页岩纳米孔隙表面分形特征及其影响因素[J]. 西南石油大学学报(自然科学版),2017,39(6):85-91.

Sun Lei, Gao Yuqiong, Pan Yi, et al. Surface fractal characteristics and their influence on shale nanopores[J]. Journal of Southwest Petroleum University (Science & Technology Edition), 2017, 39(6): 85-91.
[29]

Rouquerol J, Avnir D, Fairbridge C W, et al. Recommendations for the characterization of porous solids (technical report)[J]. Pure and Applied Chemistry, 1994, 66(8): 1739-1758.
[30] 张闯辉,朱炎铭,刘宇,等. 不同成熟度页岩孔隙及其分形特征[J]. 断块油气田,2016,23(5):583-588.

Zhang Chuanghui, Zhu Yanming, Liu Yu, et al. Pore and fractal characteristics of shale in different maturity[J]. Fault-Block Oil & Gas Field, 2016, 23(5): 583-588.
[31] 邓恩德,姜秉仁,高为,等. 黔西地区龙潭组煤系泥页岩孔隙结构及分形特征研究[J]. 煤炭科学技术,2020,48(8):184-190.

Deng Ende, Jiang Bingren, Gao Wei, et al. Study on pore structure and fractal characteristics of shale from coal measures of Longtan Formation in western Guizhou[J]. Coal Science and Technology, 2020, 48(8): 184-190.
[32]

Pfeiferper P, Avnir D. Chemistry nonintegral dimensions between two and three[J]. The Journal of Chemical Physics, 1983, 79(7): 3369-3558.
[33]

Cao X M, Gao Y, Cui J W, et al. Pore characteristics of lacustrine shale oil reservoir in the Cretaceous Qingshankou Formation of the Songliao Basin, NE China[J]. Energies, 2020, 13(8): 2027.
[34]

Qin C, Li X Z, Shen W J, et al. Study on the pore structure and fractal characteristics of different lithofacies of Wufeng-Longmaxi Formation shale in southern Sichuan Basin, China[J]. ACS Omega, 2022, 7(17): 8724-8738.
[35] 陈居凯,朱炎铭,崔兆帮,等. 川南龙马溪组页岩孔隙结构综合表征及其分形特征[J]. 岩性油气藏,2018,30(1):55-62.

Chen Jukai, Zhu Yanming, Cui Zhaobang, et al. Pore structure and fractal characteristics of Longmaxi shale in southern Sichuan Basin[J]. Lithologic Reservoirs, 2018, 30(1): 55-62.
[36]

Yang Y Y, Zhang J C, Xu L F, et al. Pore structure and fractal characteristics of deep shale: A case study from Permian Shanxi Formation shale, from the Ordos Basin[J]. ACS Omega, 2022, 7(11):9229-9243.
[37] 梁利喜,熊健,刘向君. 川南地区龙马溪组页岩孔隙结构的分形特征[J]. 成都理工大学学报(自然科学版),2015,42(6):700-708.

Liang Lixi, Xiong Jian, Liu Xiangjun. Fractal characteristics of pore structure of Longmaxi Formation shale in south of Sichuan Basin, China[J]. Journal of Chengdu University of Technology (Science & Technology Edition), 2015, 42(6): 700-708.
[38] 吉利明,邱军利,夏燕青,等. 常见黏土矿物电镜扫描微孔隙特征与甲烷吸附性[J]. 石油学报,2012,33(2):249-256.

Ji Liming, Qiu Junli, Xia Yanqing, et al. Micro-pore characteristics and methane adsorption properties of common clay minerals by electron microscope scanning[J]. Acta Petrolei Sinica, 2012, 33(2): 249-256.