Results 71 to 80 of about 477 (209)

Niangziguan spring group in Shanxi Province and its water source

open access: yesCarsologica Sinica, 2022
As a main natural discharge point of karst groundwater, Niangziguan spring group consists of 11 springs and is located in Niangziguan town, Yangquan City, Shanxi Province.
Chunlei TANG   +8 more
doaj   +1 more source

Current status and technology development in implementing low carbon emission energy on underground coal gasification (UCG) [PDF]

open access: yes, 2023
Although coal mining has played a substantial role in world’s development as a critical fuel source for at least 25 years, its value is partly offset by the massive environmental issues it presents during combustion.
Fanjin Zeng   +6 more
core   +1 more source

New understandings on gas accumulation and major exploration breakthroughs in subsalt Ma 4 Member of Ordovician Majiagou Formation, Ordos Basin, NW China

open access: yesPetroleum Exploration and Development, 2022
Geological conditions and main controlling factors of gas accumulation in subsalt Ma 4 Member of Ordovician Majiagou Formation are examined based on large amounts of drilling, logging and seismic data.
Haiqing HE   +8 more
doaj   +1 more source

Uncertainty analysis in geotechnical engineering with limited data [PDF]

open access: yes
The uncertainty analysis in geotechnical engineering arises from the complexity and inherent variability of soils and geotechnical environments. The physical and mechanical properties of soil are characterized by spatial uncertainty, influenced by ...
Feng, Chengxin
core   +2 more sources

Reservoir and lithofacies shale classification based on NMR logging [PDF]

open access: yes, 2020
© 2020 Chinese Petroleum Society Shale gas reservoirs have fine-grained textures and high organic contents, leading to complex pore structures. Therefore, accurate well-log derived pore size distributions are difficult to acquire for this unconventional ...
Iglauer, Stefan   +7 more
core   +1 more source

Carbonate reservoir fracture‐cavity system identification based on the improved YOLOv5s deep learning algorithm

open access: yesEnergy Science &Engineering, Volume 12, Issue 6, Page 2643-2660, June 2024.
Flowchart for identifying carbonate fractures and caves based on improved YOLOv5s. Abstract In carbonate reservoirs characterized by the fracture‐cavity system as storage spaces, the drilling process is highly prone to the loss of drilling fluid.
Xiaoyong Feng   +3 more
wiley   +1 more source

Integration of Rock Physics and Seismic Inversion for Carbonate Reservoir Characterization [PDF]

open access: yes, 2015
Carbonate reservoir characterization based on rock physics and seismic inversion helps in better understanding the influence of deposition and diagenesis on rock property.
Zhang, Tingting
core  

Optical fibre sensors for geohazard monitoring – A review [PDF]

open access: yes
Geohazards pose significant risks to human life, infrastructure, and the environment, bringing out the necessity of advanced monitoring techniques for early detection and mitigation.
Anjana, Kusumi   +2 more
core   +1 more source

Fiber optic acoustic emissions monitoring system. An experimental investigation in a laboratory application for rainfall-induced landslides in different soil materials slope models [PDF]

open access: yes, 2020
LAUREA MAGISTRALEAl fine di superare le carenze dei metodi tradizionali per il monitoraggio dei versanti, in questo elaborato viene illustrata su un modello fisico di pendio in scala l’applicazione di un sistema quasi-distribuito basato sull’impiego ...
CERRI, GIULIA
core  

Geochemical Modelling on H2-Brine-Mineral Interactions and Its Implications on Hydrogen Loss and Caprock Integrity [PDF]

open access: yes, 2023
This thesis aims to outline the impact and implications of redox reactions and hydrogen dispersion activities on hydrogen loss and caprock sealing ...
Zhan, Shuo (Jim)
core  

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