Results 1 to 10 of about 3,456 (237)

The lithological characteristics of natural gas hydrates in permafrost on the Qinghai of China [PDF]

open access: yesScientific Reports, 2022
The environment is seriously threatened by the methane emitted as permafrost melts. Studying deposits of natural gas hydrates that include methane is therefore important.
Da Lei   +4 more
doaj   +2 more sources

Formulating formation mechanism of natural gas hydrates. [PDF]

open access: yesSci Rep, 2017
AbstractA large amount of energy, perhaps twice the total amount of all other hydrocarbon reserves combined, is trapped within gas hydrate deposits. Despite emerging as a potential energy source for the world over the next several hundred years and one of the key factors in causing future climate change, gas hydrate is poorly known in terms of its ...
Palodkar AV, Jana AK.
europepmc   +5 more sources

Source-Reservoir Characteristics and Accumulation of Gas Chimney-Type Gas Hydrates in Qiongdongnan Basin, Northern South China Sea

open access: yesFrontiers in Earth Science, 2022
The Qiongdongnan Basin is an important gas hydrate exploration area in the South China Sea, but the gas hydrate accumulation process is poorly understood.
Qi Fan   +11 more
doaj   +1 more source

A Thermal Chemical Reaction System for Natural Gas Hydrates Exploitation

open access: yesFrontiers in Energy Research, 2022
The methodology of using CO2 to replace CH4 to recover the natural gas hydrates (NGHs) is supposed to avoid geological disasters. However, the reaction path of the CH4–CO2 replacement method is too complex to give satisfactory replacement efficiency ...
Yanan Wang   +5 more
doaj   +1 more source

State‐of‐the‐art brief review on sanding problem of offshore natural gas hydrates sediments

open access: yesEnergy Science & Engineering, 2022
As the natural gas hydrate (NGH) resources show a bright future, more and more commercial and technical focuses have been devoted to this area. The low productivity, the sanding problem, and the poor economic performance are vital problems hindering the ...
Jinze Song   +9 more
doaj   +1 more source

Recent Advances to Overcome Methane Hydrate Formation Challenges Using Nanostructure Promoters: A Mini Review Towards Industrialization [PDF]

open access: yesJournal of Applied Sciences and Nanotechnology, 2022
Natural gas has recently drawn considerable attention due to its low emissions upon combustion. Pipeline transmission of natural gas is costly and always encounters different obstacles.
Mohsen Hosseini
doaj   +1 more source

Natural Gas Hydrates: Possible Environmental Issues [PDF]

open access: yes, 2019
During the past 50 years, there has been a growing awareness of environmental issues related to energy technologies and natural resource utilization. A growing global population demands augmenting amounts of energy and goods without big discovery of conventional resources (apart from Zohr and Glafkos offshore fields in Mediterranean Sea, Egypt, and ...
Longinos, Sotirios   +2 more
openaire   +2 more sources

A large-scale experimental simulator for natural gas hydrate recovery and its experimental applications

open access: yesPetroleum, 2023
To facilitate the recovery of natural gas hydrate (NGH) deposits in the South China Sea, we have designed and developed the world's largest publicly reported experimental simulator for NGH recovery. This system can also be used to perform CO2 capture and
Yang Ge   +7 more
doaj   +1 more source

Comparison of Machine Learning Algorithms for Sand Production Prediction: An Example for a Gas-Hydrate-Bearing Sand Case

open access: yesEnergies, 2022
This paper demonstrates the applicability of machine learning algorithms in sand production problems with natural gas hydrate (NGH)-bearing sands, which have been regarded as a grave concern for commercialization.
Jinze Song   +6 more
doaj   +1 more source

Coupling Submarine Slope Stability and Wellbore Stability Analysis with Natural Gas Hydrate Drilling and Production in Submarine Slope Strata in the South China Sea

open access: yesJournal of Marine Science and Engineering, 2023
This research explores the geomechanical challenges associated with gas hydrate extraction in submarine slope zones, a setting posing a high risk of significant geological calamities.
Yufa He, Benjian Song, Qingping Li
doaj   +1 more source

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