1. Curtis J B. 2002. Fractured shale-gas systems. AAPG, 86: 1921–1938
2. Ding W L, Xu C C, Jiu K, et al. 2011. The research progress of shale fractures. Adv Earth Sci, 26: 135–144
3. Dong D Z, Zou C N, Li J Z, et al. 2011. Resource potential, exploration and development prospect of shale gas in the whole world (in Chinese). Geol Bull China, 31: 324–336
4. Guo L, Jiang Z X, Jiang W L. 2011. Formation condition of gas-bearing shale reservoir and its geological research target (in Chinese). Geol Bull China, 30: 385–392
5. Jiang Y Q, Dong D Z, Qi L, et al. 2010. Basic features and evaluation of shale gas reservoirs (in Chinese). Nat Gas Ind, 30: 7–12