Results 11 to 20 of about 4,225,085 (180)
Lithium occurrence and coal facies control of Longtan formation in Northern Guizhou, China
Frontiers in Earth ScienceCoal seams have been recognized as a promising geological reservoir for lithium, and its enrichment is intimately correlated with the original coal-forming parent materials and sedimentary microfacies.
Mu Xiwei +10 more
doaj +3 more sources
Fractal and FractionalMarine shales from the Niutitang Formation and marine–continental transitional shales from the Longtan Formation are two sets of extremely important hydrocarbon source rocks in South China.
Shitan Ning +5 more
doaj +3 more sources
Analysis of general geological conditions of coalbed methane in coal seam C25 of Permian Longtan Formation, south Chongqing [PDF]
Youqicang pingjia yu kaifaThe exploration and development of coalbed methane（CBM）in the Permian Longtan Formation in south Chongqing is in the initial stage. In order to reveal the general geological conditions of coalbed methane in the coal seam C25, by the experimental and ...
XUE Gang,GUO Tao,ZHANG Ye,XU Xiangyang,WANG Wei,HAN Kening,GUO Dongxin,JIN Xiaobo
doaj +3 more sources
Open GeosciencesUpper Permian Longtan Formation transitional shale has become an important exploration layer, but the Longtan Formation shale (LFS) has a complex mineralogical composition, which affects the subsequent diagenesis and diagenetic evolution, and restricts ...
Yu Yu, Deng Xiaoliang, Deng Yuwei
doaj +3 more sources
Fractal and FractionalThe marine and continental transitional facies coal of the Longtan Formation in western Guizhou Province is a key area for coalbed methane (CBM) exploration and development in Southwest China and has numerous resources; however, the exploration and ...
Mengjiang Zhang +9 more
doaj +3 more sources
Study on pore structure and fractal characteristics of middle rank coal reservoir in Longtan Formation of Panguan syncline [PDF]
Meikuang AnquanIn order to study the pore structure characteristics of middle rank coal reservoirs, we qualitatively and quantitatively analyzed the pore structure characteristics of 15 middle rank coal samples from different coal seams in 8 parameter wells in the ...
Yu LONG, Jun CHEN, Wei GAO, Zhonghu WU
doaj +3 more sources
Shock and Vibration, 2021 To investigate the strength characteristics of mudstone in deep‐buried coal‐measure formation, four types of experiments have been conducted: (i) the X‐ray diffraction (XRD) test; (ii) the scanning electron microscope (SEM) scanning test; (iii) the point load strength index test; and (iv) the uniaxial compressive strength test.
Ke Li +6 more
openaire +3 more sources
Geofluids, 2021 Adsorbed gas is an important component of shale gas. The methane adsorption capacity of shale determines the composition of shale gas. In this study, the methane adsorption capacity of marine, transitional, and lacustrine shales in the Sichuan Basin was ...
Xianglu Tang +9 more
doaj +2 more sources
Petroleum Exploration and DevelopmentBased on data from cores, well logs, seismic profiles, and carbon isotopic compositions, this study constrains the chronostratigraphic framework using carbon isotopic excursion events and applies cyclostratigraphic methods to establish a high-resolution ...
Shuyuan Shi +9 more
doaj +2 more sources
Meitan kexue jishu, 2023 The development of China’s coalbed methane (CBM) industry is unbalanced between the south and the north. As an important replacement resource in unconventional fields in southeast Chongqing, The beneficial exploitation of Longtan coalbed methane is ...
Hongsheng YAO +4 more
doaj +2 more sources