Results 21 to 30 of about 6,866 (241)

Investigation of non-equilibrium effects during the depressurization of carbon dioxide [PDF]

, 2022
Predicting the phase change of liquid CO2 during depressurization is highly relevant for the application in refrigeration units and for safety analysis in the context of CO2 capture and storage (CCS).
Log, Alexandra Metallinou, Munkejord, Svend Tollak, Deng, Han, Hammer, Morten, Hafner, Armin, Austegard, Anders   +5 more
core   +1 more source

Numerical Study on Stratum Deformation during Dissociation Process of Methane Hydrate by Depressurization

Journal of MMIJ, 2017
Depressurization process is regarded as the most effective process for gas recovery method from the viewpoints of gas productivity and economic efficiency among in-situ dissociation processes of Methane Hydrate (MH) existing in marine sediments. However,
Masayo KAKUMOTO, Yasuhide SAKAMOTO, Kuniyuki MIYAZAKI, Norio TENMA, Kazuo AOKI, Akira TAKIGUCHI, Toshimasa ISHIBASHI, Jiro MORI   +7 more
doaj   +1 more source

Multi-Lateral Well Productivity Evaluation Based on Three-Dimensional Heterogeneous Model in Nankai Trough, Japan

Energies, 2023
Widely employed in hydrate exploitation, the single well method is utilized to broaden the scope of hydrate decomposition. Optimizing the well structure and production strategy is necessary to enhance gas recovery efficiency. Complex wells represented by
Xin Xin, Ying Shan, Tianfu Xu, Si Li, Huixing Zhu, Yilong Yuan   +5 more
doaj   +1 more source

Experimental and Numerical Studies on Gas Production from Methane Hydrate in Porous Media by Depressurization in Pilot-Scale Hydrate Simulator [PDF]

, 2012
Dissociation processes of methane hydrate in porous media using the depressurization method are investigated by a combination of experimental observations and numerical simulations.
Wang, Yi, Li, Bo, Li, Gang, Zhang, Yu, Li, Xiao-Sen   +4 more
core   +1 more source

Production Performance Analysis of Class II Hydrate-Bearing Layers Based on an Analytic Aquifer Model

Frontiers in Energy Research, 2021
In the current numerical simulation studies, bottom water in Class II hydrate-bearing layers is represented by grids with high water saturation that significantly extends the calculation time if the volume of the bottom water is large or grid size is ...
Jing Yu, Lubin Zhuo, Yang Chen, Wenchao Sun, Yongge Liu   +4 more
doaj   +1 more source

Depressurization of CO₂ Rich Mixtures: Challenges for the Safe Process Design of CCS Facilities and CO₂ EOR Systems

Chemical Engineering Transactions, 2016
The design of systems with high content of CO2 in the process mixture is of increasing importance. This is particularly true for emerging technologies such as Carbon Capture and Storage (CCS); with over twenty CCS installations worldwide (built or under ...
M. Luberti, S. Natarajan, Y. Zaccheus, A. Giovanoglou   +3 more
doaj   +1 more source

Numerical Simulation of Methane Production from Hydrates Induced by Different Depressurizing Approaches

Energies, 2012
Several studies have demonstrated that methane production from hydrate-bearing porous media by means of depressurization-induced dissociation can be a promising technique.
Yanghui Li, Mingjun Yang, Jiafei Zhao, Haifeng Liang, Yongchen Song, Xuke Ruan   +5 more
doaj   +1 more source

A preliminary study on the Mesozoic massive gold metallogenic mechanism of the deep-large fault coupling with critical water in the Jiaodong area, China

Dizhi lixue xuebao, 2021
This study aims to study the reason why a huge accumulation of gold deposits occurred in the Jiaodong area. We summarized and analyzed the geological background and metallogenic characteristics of the Jiaodong gold deposits.
HU Baoqun, GAO Haidong, WANG Yun, ZHANG Baolin, LYU Guxian   +4 more
doaj   +1 more source

Numerical Investigation into the Development Performance of Gas Hydrate by Depressurization Based on Heat Transfer and Entropy Generation Analyses

Entropy, 2020
The purpose of this study is to analyze the dynamic properties of gas hydrate development from a large hydrate simulator through numerical simulation.
Bo Li, Wen-Na Wei, Qing-Cui Wan, Kang Peng, Ling-Ling Chen   +4 more
doaj   +1 more source

Numerical Investigation of Depressurization through Horizontal Wells in Methane-Hydrate-Bearing Sediments Considering Sand Production

Journal of Marine Science and Engineering, 2022
Sand production has been identified as a key reason limiting sustained and commercial gas production in methane-hydrate-bearing sediments. Production tests in Canada and Japan were terminated partially because of excessive sand production in pilot wells.
Xuyang Guo, Yan Jin, Jingyu Zi, Jiaying Lin, Bolong Zhu, Qian Wen, Qi Jing   +6 more
doaj   +1 more source