Results 21 to 30 of about 1,646 (200)

Geochemical characteristics and geological significance of shale gas from the Lower Silurian Longmaxi Formation in Sichuan Basin, China

open access: yesJournal of Natural Gas Geoscience, 2016
The shale of the Lower Silurian Longmaxi Formation has become a key target for shale gas exploration and development in China recently. The origin of carbon and hydrogen isotopic reversal in shale gas is discussed in this paper based on the analysis of ...
Bo Gao
doaj   +2 more sources

Geological section analysis of drilling in Wufeng-Longmaxi Formation in Well-JY1

open access: yesYouqicang pingjia yu kaifa, 2022
The drilling geological profile of Well-JY1 Wufeng Formation and Longmaxi Formation is the first systematic marine shale gas parameter well profile. The exploration breakthrough of Well-JY1 announces the discovery of Fuling shale gas field, which is ...
LIU Ruobing   +5 more
doaj   +2 more sources

Coupling between Source Rock and Reservoir of Shale Gas in Wufeng-Longmaxi Formation in Sichuan Basin, South China

open access: yesEnergies, 2021
In order to analyze the main factors controlling shale gas accumulation and to predict the potential zone for shale gas exploration, the heterogeneous characteristics of the source rock and reservoir of the Wufeng-Longmaxi Formation in Sichuan Basin were
Yuying Zhang   +6 more
doaj   +2 more sources

Reservoir Characteristics of the Lower Silurian Longmaxi Shale in Zhaotong Region, Southern China

open access: yesGeofluids, 2020
The lower Silurian Longmaxi Formation hosts a highly productive shale gas play in the Zhaotong region of southern China. According to core observation, X-ray diffraction analyses, and scanning electron microscopy (SEM) observations, the shale comprises ...
Chao Luo   +5 more
doaj   +2 more sources

Study on Stress Sensitivity of Longmaxi Formation Shales in East Sichuan

open access: yesInternational Journal of Petroleum Technology, 2017
 Depletion development is the main way of shale gas reservoir development. The stress sensitivity of shale will have made a great impact on the correct evaluation of shale gas productivity. At the time that the shale gas reservoir in Fuling is on development, the study of stress sensitivity of shale gas reservoir gas formation, Longmaxi formation, will
null Wang Haitao   +3 more
openaire   +3 more sources

Lamina characteristics of gas-bearing shale fine-grained sediment of the Silurian Longmaxi Formation of Well Wuxi 2 in Sichuan Basin, SW China

open access: yesPetroleum Exploration and Development, 2018
Based on various test data, the composition, texture, structure and lamina types of gas-bearing shale were determined based on Well Wuxi 2 of the Silurian Longmaxi Formation in the Sichuan Basin.
Zhensheng SHI   +5 more
doaj   +2 more sources

Characteristics of shale nanopore system and its internal gas flow: A case study of the lower Silurian Longmaxi Formation shale from Sichuan Basin, China

open access: yesJournal of Natural Gas Geoscience, 2017
The gas flow in shale nanopores undergoes a transition from continuum-transition flow regimes to Knudsen diffusion, rather than the traditional Darcy flow, due to the dynamic properties of shale gas.
Yunfeng Yang, Fang Bao
doaj   +2 more sources

Diagenetic characteristics and microscopic pore evolution of deep shale gas reservoirs in Longmaxi Formation, Southeastern Sichuan basin, China

open access: yesUnconventional Resources
The Lower Silurian Longmaxi Formation is the favorable target area for deep shale gas exploration and development in southeastern Sichuan Basin. Based on whole-rock X-ray diffraction analysis, scanning electron microscope, reservoir evolution thermal ...
Chang'an Shan   +8 more
doaj   +2 more sources

Black Shale Lithofacies of the Wufeng–Longmaxi Formation in the Southeast Margin of Chongqing, China

open access: yesGeofluids
China’s shale gas has undergone nearly 20 years of exploration; unconventional oil and gas geological evaluation theories and research methods have been greatly enriched, but how to quickly, conveniently, and accurately identify the sweet spots of shale gas is still puzzling many researchers.
Junqing Liu   +11 more
openaire   +3 more sources

Characteristics and formation stages of natural fractures in Lower Silurian Longmaxi Formation in Tiangongtang area of Sichuan Basin

open access: yesShiyou shiyan dizhi
The Lower Silurian Longmaxi Formation on the southwestern margin of the Sichuan Basin holds significant shale gas reserves. The characteristics and formation stages of fractures play a crucial role in shale gas accumulation and productivity.
Linhao LI   +6 more
doaj   +2 more sources

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