A constitutive mechanical model for gas hydrate bearing sediments incorporating inelastic mechanisms
Sign Up to like & getrecommendations! Published in 2017 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2016.11.012
Abstract: Abstract Gas hydrate bearing sediments (HBS) are natural soils formed in permafrost and sub-marine settings where the temperature and pressure conditions are such that gas hydrates are stable. If these conditions shift from the hydrate… read more here.
Keywords: bearing sediments; gas; model; hydrate bearing ... See more keywords
Geomechanical properties of gas hydrate-bearing sediments in Shenhu Area of the South China Sea
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DOI: 10.1016/j.egyr.2021.05.063
Abstract: Abstract It is essential to understand the in-situ geomechanical properties of natural gas hydrate-bearing reservoirs for hydrate drilling, the design of reservoir stimulation and production schemes, geologic disaster prevention, and environmental impact assessment. In this… read more here.
Keywords: gas; gas hydrate; hydrate bearing; bearing sediments ... See more keywords
Geomechanical constitutive modelling of gas hydrate-bearing sediments by a state-dependent multishear bounding surface model
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2019.103119
Abstract: Abstract Natural gas hydrate in marine sediments and permafrost areas is considered as an important potential energy source. Since hydrate dissociation will reduce the stability of gas hydrate-bearing sediments (GHBS) and may cause wellbore failures… read more here.
Keywords: bearing sediments; gas; model; hydrate bearing ... See more keywords
Dynamic responses of THF hydrate-bearing sediments under small strain: Resonance column test
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2020.103399
Abstract: Abstract Knowledge of the dynamic responses of hydrate-bearing sediments under small strain conditions is a fundamental issue in terms of evaluating the stability of gas hydrate-bearing layers under natural forces, such as eustatic sea level… read more here.
Keywords: shear modulus; bearing sediments; sediments small; dynamic responses ... See more keywords
Feasibility evaluation of hydraulic fracturing in hydrate-bearing sediments based on analytic hierarchy process-entropy method (AHP-EM)
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2020.103434
Abstract: Abstract Natural gas hydrate is an attractive potential as alternative energy source. The initial studies of natural gas hydrate production test have shown that the hydrate productivity via conventional depressurization is still far to reach… read more here.
Keywords: bearing sediments; hydrate; feasibility; hydraulic fracturing ... See more keywords
Characterization of stress–dilatancy behavior for methane hydrate-bearing sediments
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2021.104000
Abstract: Abstract To evaluate the stability of seabed ground during gas hydrate exploitation, a constitutive model that can appropriately estimate the mechanical properties of methane hydrate-bearing sediments must be established. A better understanding of the stress–dilatancy… read more here.
Keywords: dilatancy; hydrate bearing; bearing sediments; methane hydrate ... See more keywords
Pressure core based onshore laboratory analysis on mechanical properties of hydrate-bearing sediments recovered during India's National Gas Hydrate Program Expedition (NGHP) 02
Sign Up to like & getrecommendations! Published in 2019 at "Marine and Petroleum Geology"
DOI: 10.1016/j.marpetgeo.2018.09.005
Abstract: Abstract A solid understanding of the mechanical properties of hydrate-bearing sediments is essential for the safe and economic development of methane hydrate as an energy resource. In 2015, 104 pressure cores were collected, recovering sediments… read more here.
Keywords: mechanical properties; compression; hydrate bearing; bearing sediments ... See more keywords
Effect of sediment particle size on the mechanical properties of CH4 hydrate-bearing sediments
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.07.054
Abstract: Abstract Previous study proved that the methane hydrate reservoirs in clay permafrost regions have great potential for exploitation. However, the widespread gradation of sediment matrices in hydrate-bearing sediments (HBS) would seriously affect the stability of… read more here.
Keywords: strength; bearing sediments; hbs; sediment particle ... See more keywords
Analysis of Hydrate Heterogeneous Distribution Effects on Mechanical Characteristics of Hydrate-Bearing Sediments
Sign Up to like & getrecommendations! Published in 2021 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.0c04388
Abstract: It is reported that hydrate distributes inhomogeneously in synthesized gas hydrate-bearing sediments (GHBS). To investigate the effect of hydrate distribution heterogeneity on the mechanical charac... read more here.
Keywords: heterogeneous distribution; hydrate heterogeneous; hydrate bearing; bearing sediments ... See more keywords
Strain Rate‐Dependent Hardening‐Softening Characteristics of Gas Hydrate‐Bearing Sediments
Sign Up to like & getrecommendations! Published in 2019 at "Geochemistry, Geophysics, Geosystems"
DOI: 10.1029/2019gc008458
Abstract: The presence of gas hydrates (GHs) increases the stiffness and strength of marine sediments. In elasto‐plastic constitutive models, it is common to consider GH saturation (Sh) as key internal variable for defining the contribution of… read more here.
Keywords: strength; bearing sediments; sediment fabrics; gas ... See more keywords
Thermophysical Properties of Methane Hydrate-bearing Sediments Recovered from Nankai Trough Wells Under Vertical Stress Conditions
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Offshore and Polar Engineering"
DOI: 10.17736/ijope.2019.jc739
Abstract: This paper measures the thermophysical properties of natural methane hydrate (MH)-bearing sediments recovered from the Nankai Trough, Japan. The thermal conductivity, thermal diffusivity, and specific heat of the sample under vertical stress (VS) loading were… read more here.
Keywords: hydrate bearing; sediments recovered; thermophysical properties; recovered nankai ... See more keywords