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Base of hydrate stability zone for biogenic gas. Geographical site: NW Europe. Reference: Váquez-Izquierdo, A., Gimenez-Moreno, C.-J., León, R., 2018. Knowledge gaps in gas-hydrate assessment: theoretical considerations and practical implications. Geophysical Research Vol. 20, EGU2018-12847, 2018EGU General Assembly 2018 (Vol. 20, EGU2018-12847, 2018EGU General Assembly 2018).

This dataset describes the oil resources in shales and other tight reservoirs in the North Sea area. The hydrocarbon content is estimated using Monte Carlo simulations. The estimates of free oil in 106 m3 or in 106 barrels are shown for the percentiles P10, P50 and P90. At P90, 90% of the calculated estimates will be equal or exceed the shown figure. At P10, it is only 10% of the calculated estimates that exceed the shown value. A more detailed description of the data is found in the report, GARAH Deliverable 2.3. Updated assessment of the conventional and unconventional resources of the North Sea Basin. https://repository.europe-geology.eu/egdidocs/garah/garah-d-2-3-assess-conv-unconv-res-north-sea.pdf.

Calculated average vitrinite reflectance (EASY%Ro) for the Upper Jurassic interval

This dataset describes the gas resources in shales and other tight reservoirs in the North Sea area. The hydrocarbon content is estimated using Monte Carlo simulations. The estimates of adsorped gas, free gas and GIIP (Gas Initially In Place) are shown for the percentiles P10, P50 and P90. At P90, 90% of the calculated estimates will be equal or exceed the shown figure. At P10, it is only 10% of the calculated estimates that exceed the shown value. A more detailed description of the data is found in the report, GARAH Deliverable 2.3. Updated assessment of the conventional and unconventional resources of the North Sea Basin. https://repository.europe-geology.eu/egdidocs/garah/garah-d-2-3-assess-conv-unconv-res-north-sea.pdf.

Modelled accumulation of hydrocarbons. Coloured circles enclose accumulations that mainly belong to a specific reservoir layer. Se figure 18 in the report, Deliverable 2.5. 3D Pilot Study – Conventionals (https://repository.europe-geology.eu/egdidocs/garah/garah-d-2-5-3d-pilot-study-conventionals.pdf), for further explanation.

Density map of seafloor temperature developed with the “point density” algorithm of ArcGIS®. Pixel value, number of data per 100,000 km2. Parameters: population field, none; cell size, 5000; radius, 178,415 metres; areal units, square kilometres; method, geodesic. Knowledge gap, raster value < 1 Reference: https://doi.org/10.3390/app11062865

Eastern Structural elements from NAG-TEC: Northeast Atlantic Geoscience Tectonostratigraphic Atlas. This dataset contains the basins and highs along the margins and within the Jan Mayen microcontinent and contains information about the ages, the hierarchy between the structural elements and origin of data. For further information see https://data.geus.dk/nagtec/home.

Calculated average transformation ratio (TR all) for the Lower Jurassic interval.

Base of hydrate stability zone for 96% CO2. Geographical site: South of Biscay Bay, Galicia Area. References: Burnol, A. (2018). Roles of Gas Hydrates for CO2 Geological Storage Purposes. Gas Hydrates 2, 267-284. doi:https://doi.org/10.1002/9781119451174.ch13 Burnol, A., Thinon, I., Ruffine, L., & Herri, J. M. (2015). Influence of impurities (nitrogen and methane) on the CO2 storage capacity as sediment-hosted gas hydrates – Application in the area of the Celtic Sea and the Bay of Biscay. International Journal of Greenhouse Gas Control, 35, 96-109. doi:https://doi.org/10.1016/j.ijggc.2015.01.018