2018
DOI: 10.1016/j.marpetgeo.2017.08.010
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Potential impacts of gas hydrate exploitation on slope stability in the Danube deep-sea fan, Black Sea

Abstract: Potential impacts of gas hydrate exploitation on slope stability in the Danube deep-sea fan, AbstractMethane production from gas hydrate reservoirs is only economically viable for hydrate reservoirs in permeable sediments. The most suitable known prospect in European waters is the paleo Danube deep-sea fan in the Bulgarian exclusive economic zone in the Black Sea where a gas hydrate reservoir is found 60 m below the seafloor in water depths of about 1500 m. To investigate the hazards associated with gas produc… Show more

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Cited by 31 publications
(7 citation statements)
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“…Numerical GH reservoir simulators have been used to study the behavior of GHBS during gas production (Gupta et al, ; Rutqvist et al, ; Rutqvist et al, ) or in marine slope destabilization (Jiang, Sun, et al, ; Sultan & Garziglia, ; Zander et al, ), and there is strong effort to improve soil mechanical constitutive models and model couplings. A number of nonlinear elastic (Miyazaki, Aoki, et al, ; Yu et al, ) and elasto‐plastic (Klar et al, ; Lin et al, ; Sun et al, ; Uchida et al, ) constitutive models have been proposed.…”
Section: Introductionmentioning
confidence: 99%
“…Numerical GH reservoir simulators have been used to study the behavior of GHBS during gas production (Gupta et al, ; Rutqvist et al, ; Rutqvist et al, ) or in marine slope destabilization (Jiang, Sun, et al, ; Sultan & Garziglia, ; Zander et al, ), and there is strong effort to improve soil mechanical constitutive models and model couplings. A number of nonlinear elastic (Miyazaki, Aoki, et al, ; Yu et al, ) and elasto‐plastic (Klar et al, ; Lin et al, ; Sun et al, ; Uchida et al, ) constitutive models have been proposed.…”
Section: Introductionmentioning
confidence: 99%
“…1) were chosen as the basis for further studies aimed at seafloor drilling and deep sub-seafloor sampling, and to investigate the role of hydrates within the multiple slope failures observed along the Danube Fan (Bialas et al 2014). WA1 at around 1500 m water depth is characterized by strong amplitude events with reversed polarity (compared to the seafloor event; used throughout this paper) and variable lateral extent within the hydrate stability zone in the sediment filled paleo-canyon and levee structures (Zander et al 2017b;Zander et al 2018). At WA2, the BSR shoals upward towards the seafloor.…”
Section: Results Results Resultsmentioning
confidence: 99%
“…1. Mass transport deposits (MTDs), or slumps associated with slope failure events are characterised by hummocky, chaotic and irregular seismic facies, with discontinuous, low to high amplitude reflections (Popescu et al, 2004;Winguth et al, 2000;Zander et al, 2017a).…”
Section: Geological Setting Of the Danube Fanmentioning
confidence: 99%