EGERSUND FM
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Generell informasjon
Generell informasjon Attributt Verdi Litostrat. enhet Den litostratigrafiske enhetens offisielle navn.EGERSUND FMNPDID for litostrat. enhet Sokkeldirektoratets entydige nøkkel for litostratigrafiske enheter.30Nivå Angir den litostratigrafiske enhetens nivå. Lovlige verdier: GROUP, FORMATION, MEMBER.FORMATIONLitostrat. enhet, forelder Den litostratigrafiske enhetens offisielle navn, refererer til forelder. Se også nivå. Vil være tom hvis Nivå = GROUP. -
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Beskrivelse
Egersund Formation
NameNamed by Deegan and Scull (1977) who gave the unit member status.Well type sectionWell reference sectionThickness37 m in the type well and 75 m in the reference well.LithologyIn the type well the formation consists of dark grey micromicaceous shales and siltstones with brownish, locally oolitic, microcrystalline carbonate beds and occasionally sandstone streaks. The latter become more important east and north-east of the type well.BoundariesThe lower boundary is also the junction of the Boknfjord Group with the Vestland Group and is described above. At the base of the formation a more radioactive part is recognizable in several wells. The upper boundary is marked by the appearance of the dark grey to black organic-rich shales of the overlying Tau Formation . The shales of the Tau Formation have a high radioactivity and a low velocity, and therefore the upper boundary is marked by strong log breaks.DistributionThe formation is distributed throughout Fiskebank and Egersund Sub-Basins.AgeCallovian to Kimmeridgian.Depositional environmentThe Egersund Formation was deposited in an open marine, generally low energy basinal environment.Source-
Vollset, J. and Doré, A. G. (eds.) 1984: A revised Triassic and Jurassic lithostratigraphic nomenclature for the Norwegian North Sea. NPD-Bulletin No. 3, 53 pp.
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Brønnbaner som penetrerer
Brønnbaner som penetrerer 10.10.19661890204004.12.19822290237528.03.20132314233921.11.20112332239228.04.19873097316221.09.19873062312308.02.19903188325211.04.19943993409421.07.19953078314615.10.19964714478310.06.19973784385402.02.19985769582302.02.19987420758417.09.19993669384429.03.20102574262914.10.20192932299113.08.19964560463104.09.19861749178809.12.20052607266019.05.19682251228829.08.19702435249019.08.19722437249020.08.19772668271801.08.20062654270329.06.19681825192219.08.19712005204012.07.20152245227417.01.19711464149412.09.20071141127620.08.19952339238807.02.20112542263023.10.20212417243523.10.19732205222011.06.19742205222024.03.19692675268230.06.19682195221117.05.19762513252121.06.19722215229003.02.19802288237010.07.20092198227715.08.20092438260626.08.20092377253601.01.19802319240531.03.197418001878 -
Brønnbaner med kjerner