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04.11.2024 - 01:25
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VADE FM

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  • Generell informasjon

    Generell informasjon
    Attributt Verdi
    Litostrat. enhet
    Den litostratigrafiske enhetens offisielle navn.
    VADE FM
    NPDID for litostrat. enhet
    Sokkeldirektoratets entydige nøkkel for litostratigrafiske enheter.
    184
    Nivå
    Angir den litostratigrafiske enhetens nivå. Lovlige verdier: GROUP, FORMATION, MEMBER.
    FORMATION
    Litostrat. enhet, forelder
    Den litostratigrafiske enhetens offisielle navn, refererer til forelder. Se også nivå. Vil være tom hvis Nivå = GROUP.
  • Nivå under

    Nivå under
    Litostrat. enhet
  • Beskrivelse

    Vade Formation

    Name
    Vade is a giant from Norse mythology who wades across the fjords.
    Well type section
    Norwegian well 2/2-1 from 2172 m to 2100 m, coordinates N 56°47'15.69", E 03°38'15.62" (Fig 5.60) . No cores.
    Well reference section
    Norwegian well 2/3-2 from 1855 m to 1795 m, coordinates N 56°54'53.70", E 03°49'02.25" (Fig 5.68) . No cores.
    Thickness
    The thickness is 72 m in the type well and 60 m in the reference well. (Fig 5.69) . shows a seismic section through the Vade Formation which illustrates thinning to the southwest.
    Lithology
    The formation consists of thinly interbedded, light green to grey, very fine grained sandstones and silt-stones. These are glauconitic, slightly micaceous and well sorted. Fossils are present. Reference well 2/3-2 shows that the formation interfingers with the claystones of the Hordaland Group (Fig 5.68) .
    Basal stratotype
    The lower boundary shows a decrease in gamma-ray intensity and an increase in velocity from the claystones of the Hordaland Group into the Vade Formation (Fig 5.60) .
    Characteristics of the upper boundary
    The upper boundary is characterised by an increase in gamma-ray response and a decrease in velocity from the Vade Formation into the claystones of the Hordaland Group (Fig 5.60) .
    Distribution
    The formation has only been penetrated in some wells in blocks 2/2 and 2/3. Its distribution is shown in (Fig 5.66) .
    Age
    Late Oligocene.
    Depositional environment
    The sandstones were deposited in a shallow marine environment. Their deposition can be seen as a response to an eustatic fall in sea level or a tectonic uplift of the area. Regional considerations indicate a source area in the east or northeast.
    Source
    • Isaksen, D. and Tonstad, K. (eds.) 1989: A revised Cretaceous and Tertiary lithostratigraphic nomenclature for the Norwegian North Sea. NPD-Bulletin No. 5, 59 pp.
  • Brønnbaner som penetrerer

    Brønnbaner som penetrerer
    Brønnbane navn
    Dato for boreslutt
    Topp dyp [m]
    Bunn dyp [m]
    30.08.2008
    2594
    2600
    07.07.2021
    2418
    2425
    10.02.1999
    2150
    2227
    28.02.2009
    3211
    3839
    05.09.2013
    2199
    2259
    13.07.2013
    2237
    2280
    03.07.1982
    2100
    2172
    27.08.1982
    1978
    2057
    07.06.1988
    2086
    2184
    19.02.1992
    2184
    2746
    14.05.2010
    2302
    2319
    13.08.1969
    1795
    1855
    10.07.2000
    1530
    1639
    27.10.2008
    2101
    2860
    13.10.2013
    701
    790
    23.07.1971
    1089
    1091
    23.07.1971
    1289
    1291
    23.07.1971
    1303
    1305
  • Brønnbaner med kjerner

    Brønnbaner med kjerner
    Brønnbane navn
    Dato for boreslutt
    Kjernelengde [m]
    27.08.1982
    15