Abstract
We identify three different types or ‘plays’ of oceanic NGH in the Arctic deepwater. (1) The main resource potential is probably in continental slope sediments. The resource host here would be the same type of turbidite sand deposits in which conventional hydrocarbons are found at greater depths in these sedimentary prisms. Their genesis is well understood. (2) Because of the very cold seafloor water, the top of NGH stability may be initiated at relatively shallow water depths. NGH may also occur in Intra-shelf troughs, depressions and along deep shelf margins bathymetrically above a slope break that denotes the beginning of the continental slope. (3) Ocean basin outliers in which the basin-shelf separation is geologically and bathymetrically complex occur commonly in the Amerasia Basin and its separator from the Eurasia Basin, the Lomonosov Ridge. These are the furthest away from land and of uncertain geological character. Only because it is known that some of them are detached continental fragments that may contain suitable host sediments are they considered as a potential play.
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Max, M.D., Johnson, A., Dillon, W. (2013). NGH Likelihood in the Arctic Ocean. In: Natural Gas Hydrate - Arctic Ocean Deepwater Resource Potential. SpringerBriefs in Energy. Springer, Cham. https://doi.org/10.1007/978-3-319-02508-7_9
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DOI: https://doi.org/10.1007/978-3-319-02508-7_9
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