Results 21 to 30 of about 560,322 (307)

Methane Flux Effect on Hydrate Formation and Its Acoustic Responses in Natural Sands

Geofluids, 2022
The acoustic properties of hydrate deposits are important parameters for hydrate geophysical exploration, and the gas leakage model plays a very important role in hydrate accumulation systems. In order to reflect the gas supply environment during hydrate
Qingtao Bu, Tongju Xing, Gaowei Hu, Changling Liu, Chengfeng Li, Jinhuan Zhao, Zihao Wang, Wengao Zhao, Jiale Kang   +8 more
doaj   +1 more source

Review of Energy Efficiency of the Gas Production Technologies From Gas Hydrate-Bearing Sediments

Frontiers in Energy Research, 2021
Even in the carbon-neutral age, natural gas will be valuable as environment-friendly fuel that can fulfill the gap between the energy demand and supply from the renewable energies.
Koji Yamamoto, Sadao Nagakubo
doaj   +1 more source

Transformations in methane hydrates [PDF]

Proceedings of the National Academy of Sciences, 2000
Detailed study of pure methane hydrate in a diamond cell within situoptical, Raman, and x-ray microprobe techniques reveals two previously unknown structures, structure II and structure H, at high pressures. The structure II methane hydrate at 250 MPa has a cubic unit cell ofa= 17.158(2) Å and volumeV= 5051.3(13) Å3; structure H at 600 MPa has a ...
I M, Chou, A, Sharma, R C, Burruss, J, Shu, H, Mao, R J, Hemley, A F, Goncharov, L A, Stern, S H, Kirby   +8 more
openaire   +2 more sources

Studies on Methane Gas Hydrate Formation Kinetics Enhanced by Isopentane and Sodium Dodecyl Sulfate Promoters for Seawater Desalination

Energies, 2022
Methane hydrate applications in gas storage and desalination have attracted increasing attention in recent years. In the present work, the effect of isopentane (IP), sodium dodecyl sulfate (SDS), and IP/SDS blends as promoters on methane hydrate ...
Omar Bamaga, Iqbal Ahmed, Asim M. Wafiyah, Mohammed Albeirutty, Hani Abulkhair, Amer Shaiban, Praveen Linga   +6 more
doaj   +1 more source

Mechanisms for upward migration of methane in marine sediments

Frontiers in Marine Science, 2022
Methane, a non-negligible component of the global carbon budget, could be discharged upward through marine sediments to ocean floor by certain migration mechanisms.
Haotian Liu, Haotian Liu, Linsen Zhan, Hailong Lu   +3 more
doaj   +1 more source

Assessing the Benthic Response to Climate-Driven Methane Hydrate Destabilisation: State of the Art and Future Modelling Perspectives

Energies, 2022
Modern observations and geological records suggest that anthropogenic ocean warming could destabilise marine methane hydrate, resulting in methane release from the seafloor to the ocean-atmosphere, and potentially triggering a positive feedback on global
Maria De La Fuente, Sandra Arndt, Héctor Marín-Moreno, Tim A. Minshull   +3 more
doaj   +1 more source

Synthesis of mixed methane-ethylene hydrate with ice powder

Unconventional Resources, 2023
The study of gas hydrate researched by the ice powder method is helpful for us to understand the storage, separation, transportation and transformation of gas on the solid surface.
Tianbao Liu, Weiguang Shi, Chenlu Xu, Hongfeng Lu, Xiaofei Fu, Bo Liu   +5 more
doaj   +1 more source

Investigation of Fault Permeability in Sands with Different Mineral Compositions (Evaluation of Gas Hydrate Reservoir)

Energies, 2015
We used a ring-shear apparatus to examine the perpendicular permeability of sands with different mineral compositions to evaluate fault behavior around gas hydrate reservoirs.
Sho Kimura, Hiroaki Kaneko, Takuma Ito, Hideki Minagawa   +3 more
doaj   +1 more source

Effect of Pressure on Hydrogen Isotope Fractionation in Methane during Methane Hydrate Formation at Temperatures Below the Freezing Point of Water

Methane, 2023
Isotopic fractionation of methane between gas and solid hydrate phases provides data regarding hydrate-forming environments, but the effect of pressure on isotopic fractionation is not well understood.
Akihiro Hachikubo, Taichi Nezu, Kaede Takizawa, Satoshi Takeya   +3 more
doaj   +1 more source

Rising methane gas bubbles form massive hydrate layers at the seafloor [PDF]

, 2004
Extensive methane hydrate layers are formed in the near-surface sediments of the Cascadia margin. An undissociated section of such a layer was recovered at the base of a gravity core (i.e.
Haeckel, Matthias, Rickert, Dirk, Suess, Erwin, Wallmann, Klaus   +3 more
core   +1 more source