SAUDA FM

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Attributt	Verdi
Litostrat. enhet Den litostratigrafiske enhetens offisielle navn.	SAUDA FM
NPDID for litostrat. enhet Sokkeldirektoratets entydige nøkkel for litostratigrafiske enheter.	141
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.	BOKNFJORD GP

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Litostrat. enhet
Beskrivelse
Sauda Formation

Name

From an industrial town in Rogaland. The formation comprises the upper part of the Børglum Member and the Fredrikshavn Member as defined by Deegan and Scull (1977).

Well type section

Norwegian well 9/4-3 (Conoco) from 2250 m to 2400m, coord N 57°26'54.5", E 04°18'57.7" (Fig 3.36) .

Well reference section

Norwegian well 8/1-1 (Phillips) from 2425 m to. 2551 m, coord N 57°51'43.53", E 03°12'27.64" (Fig 3.37) .

Thickness

150 m in the type well and 126 m in the reference well.

Lithology

The lower part is mainly a dark grey claystone with some siltstone and pyrite. The upper part is more silty, commonly developed as a siltstone. Shell fragments and pyrite are common.

Boundaries

The upper boundary is marked by the contrast between the predominantly silty upper part of the Sauda Formation and the overlying finer grained shales of the Flekkefjord Formation . This is usually accompanied by marked breaks both on gamma and sonic logs. The lower boundary is with the very radioactive Tau Formation .

Distribution

The formation is present in the Fiskebank and Egersund Sub-Basins. The thickest and most complete sequence is found in the Egersund Sub-Basin. In the western part of the Fiskebank Sub-Basin only the upper silty part is present.

Age

Middle to Late Volgian.

Depositional environment

The Sauda Formation was deposited in an open marine, generally low energy basinal environment. The energy level became slightly higher in the later stages of deposition of the formation.

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.

Brønnbaner som penetrerer

Brønnbaner som penetrerer
Brønnbane navn	Dato for boreslutt	Topp dyp [m]	Bunn dyp [m]
7/3-1	10.06.1969	2643	2655
8/1-1	07.02.1972	2425	2551
8/3-1	10.10.1966	1658	1831
8/3-2	04.12.1982	2075	2200
8/5-1	28.03.2013	2205	2260
8/9-1	10.02.1976	2123	2156
8/12-1	23.07.1971	2607	2661
9/1-1 S	21.11.2011	2060	2262
9/2-1	28.04.1987	2550	2993
9/2-2	21.09.1987	2447	2957
9/2-3	08.02.1990	2799	3098
9/2-4 S	11.04.1994	3075	3875
9/2-5	21.07.1995	2706	3021
9/2-6 S	15.10.1996	3800	4627
9/2-7 S	10.06.1997	3182	3683
9/2-8 S	02.02.1998	4995	5689
9/2-9 S	17.09.1999	2823	3551
9/2-11	29.03.2010	2180	2492
9/2-12	14.10.2019	2602	2825
9/2-A-4	13.08.1996	3865	4478
9/3-1	04.09.1986	1488	1686
9/3-2	09.12.2005	2072	2503
9/4-1	19.05.1968	2047	2200
9/4-2	29.08.1970	2208	2396
9/4-3	19.08.1972	2250	2400
9/4-4	20.08.1977	2395	2598
9/4-5	01.08.2006	2387	2603
9/11-1	19.08.1971	1966	1993
9/12-1	06.05.1969	1948	2005
10/4-1	12.07.2015	1937	2215
10/5-1	26.06.1976	1335	1396
10/7-1	30.07.1992	1386	1486
10/8-1	17.01.1971	1393	1451
11/5-1	12.09.2007	1086	1107
11/10-1	19.08.1969	1672	1750
17/3-1	20.08.1995	1980	2311
17/6-1	07.02.2011	2116	2489
17/8-1	23.10.2021	2346	2393
17/9-1	23.10.1973	1954	2165
17/9-1 R	11.06.1974	1954	2165
17/10-1	24.03.1969	2544	2640
17/11-1	30.06.1968	2101	2180
17/11-2	17.05.1976	2422	2495
17/12-1 R	21.06.1972	1946	2167
17/12-3	03.02.1980	2010	2236
17/12-4	10.07.2009	2017	2149
17/12-4 A	15.08.2009	2175	2358
17/12-4 B	26.08.2009	2134	2309
18/10-1	01.01.1980	2046	2277
18/11-1	31.03.1974	1650	1747

Brønnbaner med kjerner

Brønnbaner med kjerner
Brønnbane navn	Dato for boreslutt	Kjernelengde [m]
9/11-1	19.08.1971	9

SAUDA FM

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Brønnbaner som penetrerer

Brønnbaner med kjerner