Results 41 to 50 of about 4,225,085 (180)
, 2019 In order to reveal the shale gas potential and exploration direction of the marine-continental transitional shale in central and southeastern Hunan, samples were collected from the Lower Carboniferous Yanguanjie Formation and Upper Permian Longtan ...
Yanran, HUANG +4 more
core +1 more source
Geographic location of the Longtan Cave, Hexian.
, 2014 Geographic location of the Longtan Cave, Hexian.
Song Xing (390829) +7 more
core +1 more source
Analysis of shale gas accumulation conditions of the Upper Permian in the Lower Yangtze Region
, 2022 This paper is the result of oil and gas exploration engineering. Objective The dark shale of the Longtan-Dalong Formation is widely developed in the Upper Permian of the Lower Yangtze region, which is the key formation for shale gas exploration in ...
Chen, K +9 more
core +1 more source
矿业科学学报Exploration and development of deep coal seams in the Sichuan Basin remain in their early stages, with no suitable volumetric fracturing technology system yet established.
YAO Zhiguang +7 more
doaj +1 more source
Sources of coal-derived gas in the marine strata of Central Sichuan, China
Journal of Natural Gas Geoscience, 2019 There are gas reservoirs in the Triassic Leikoupo Formation, Jialingjiang Formation, Feixianguan Formation, and Permian Changxing Formation in the marine strata of Central Sichuan Basin. Over the years, the gas sources in these gas reservoirs, especially
Shengfei Qin +4 more
doaj +1 more source
Shiyou shiyan dizhi, 2020 There are three sets of source rocks below the Changxing Formation in the southern Sichuan Basin, including the mud shale in Lower Silurian Longmaxi Formation, the argillaceous rock in Middle Permian, and the coal series in Upper Permian Longtan ...
Yanjun LI +5 more
doaj +1 more source
Ecology and Evolution, Volume 16, Issue 5, May 2026.Explanation of the soil multifunctionality index by biotic factors and abiotic factors. ABSTRACT Long‐term anthropogenic disturbances have damaged forest ecosystems, and different restoration approaches after disturbance play a crucial regulatory role in maintaining and enhancing ecosystem functions. However, existing studies have mostly focused on the
Yonghong Luo +7 more
wiley +1 more source
Energy Science &Engineering, Volume 14, Issue 4, Page 1864-1880, April 2026.This study reveals the temporal and spatial evolution law of roof separation under the karst aquifer and the dynamic water inrush mechanism of roof separation. The FAHP–EWM–CRITIC combination weighting method was established to obtain the risk zoning of bed separation water inrush in a karst landform mining area. ABSTRACT Coalfields in northern Guizhou
Xilong Zhu +5 more
wiley +1 more source
Optimization of multi-layer commingled coalbed methane production in Zhijin area, Guizhou province
Shiyou shiyan dizhi, 2021 Coal seams of the Longtan Formation in the Zhijin area of Guizhou province present the characteristics of multiple layers and small individual thickness.
Yuqiao GAO +3 more
doaj +1 more source
Shiyou shiyan dizhi, 2020 The resource potentials for the exploration and development of tight sandstone gas, shale gas, and coalbed gas in marine-continental transitional environments are very attractive.
Zengqin LIU, Shaobin GUO
doaj +1 more source