TORSK FM

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• General information

  General information

  Attribute	Value
  Lithostrat. unit The lithostratigraphic unit's official name.	TORSK FM
  NPDID lithostrat. unit Norwegian Offshore Directorate's unique id for lithostratigraphic units.	172
  Level Indicates the lithostratigraphic unit's level. Legal values: GROUP, FORMATION, MEMBER.	FORMATION
  Lithostrat. unit, parent The parent lithostratigraphic unit's official name. See also level. Will be empty if Level = GROUP.	SOTBAKKEN GP

• Level below

  Level below

  Lithostrat. unit

• Description

  Torsk Formation
  
  Name

  From the fish species Gadus morhua (cod).

  Well type section

  Well 7119/12-1 (Statoil), coordinates 71°06'08.00"N, 19°47'40.29"E, from 810 m to 465 m (Fig 4.57) .

  Well reference section

  Well 7120/12-1 (Norsk Hydro), coordinates 71°06'48.7"N, 20°45'20.1"E, from 725 m to 462 m (Fig 4.55) .

  Thickness

  345 m in the type well, 263 m in the reference well.

  Lithology

  Light to medium grey or greenish-grey generally non-calcareous claystones dominate in the type well. Rare siltstone/limestone stringers occur throughout the section, and tuffaceous horizons are often seen in the lower parts of the unit.

  Basal Stratotype

  The base is defined by a sharp increase in interval transit time and decrease in density readings.

  Lateral extent and variation

  The formation is recognized throughout Tromsøflaket with little lithological variation.

  Age

  Late Paleocene to Oligocene.

  Depositional environment

  Open to deep marine shelf with no significant coarse clastic supply.

  Source

  • Dalland, A., Worsley, D. and Ofstad, K. (eds.) 1988: A lithostratigraphic scheme for the Mesozoic and Cenozoic succession offshore mid- and northern Norway. NPD-Bulletin No. 4, 65 pp.

• Wellbores penetrating

  Wellbores penetrating

  Wellbore name	Wellbore completion date	Top depth [m]	Bottom depth [m]
  7016/2-1	03.11.2013	3091	4061
  7019/1-1	03.12.2000	448	603
  7117/9-1	16.07.1982	1139	1809
  7117/9-2	09.09.1983	1092	1375
  7119/7-1	11.09.1983	440	1332
  7119/9-1	25.09.1984	1015	1447
  7119/12-1	10.10.1980	465	810
  7119/12-3	12.09.1983	442	1202
  7119/12-4	17.02.2011	472	612
  7120/1-1	15.11.1985	490	692
  7120/1-1 R	26.12.1985	490	692
  7120/1-1 R2	21.07.1986	490	692
  7120/1-2	28.03.1989	408	1560
  7120/1-3	07.10.2013	436	689
  7120/1-4 S	03.08.2014	451	733
  7120/1-5	07.05.2017	453	686
  7120/2-1	29.10.1985	476	613
  7120/2-2	23.03.1991	437	1443
  7120/2-3 S	09.07.2011	375	1441
  7120/5-1	06.06.1985	410	1183
  7120/6-1	02.05.1985	410	1081
  7120/6-2 S	22.07.2007	459	1137
  7120/6-3 S	30.11.2012	370	1256
  7120/7-1	08.10.1982	645	992
  7120/7-2	21.08.1983	380	947
  7120/7-3	09.06.1984	380	1312
  7120/8-1	10.09.1981	603	1056
  7120/8-2	29.07.1982	558	877
  7120/8-3	24.05.1983	605	1067
  7120/8-4	10.12.2007	376	1186
  7120/9-1	26.09.1982	590	965
  7120/9-2	20.10.1984	380	1072
  7120/10-1	08.09.1984	444	531
  7120/10-2	05.09.1990	468	647
  7120/12-1	12.10.1980	462	725
  7120/12-2	11.09.1981	463	701
  7120/12-3	05.05.1983	387	738
  7121/1-1	13.11.1985	519	698
  7121/1-1 R	23.08.1986	519	698
  7121/1-2 S	02.03.2019	443	1200
  7121/4-1	27.10.1984	447	1016
  7121/4-2	14.04.1985	420	1068
  7121/5-1	28.09.1985	460	1005
  7121/5-2	06.07.1986	449	934
  7121/5-3	09.03.2001	412	844
  7121/7-1	05.08.1984	442	894
  7121/7-2	12.08.1986	430	889
  7121/8-1	15.07.2017	431	811
  7121/9-1	29.11.2011	421	900
  7122/2-1	11.11.1992	418	743
  7122/4-1	13.01.1992	500	820
  7122/6-1	11.11.1987	547	759
  7122/7-1	05.10.2000	473	586
  7122/7-2	19.10.2001	448	600
  7122/7-6	04.01.2013	478	624
  7122/7-7 S	26.12.2018	472	636
  7122/10-1 S	28.09.2017	446	475
  7123/4-1 A	14.05.2008	495	790
  7123/4-1 S	21.04.2008	495	790
  7124/4-1 S	12.10.2011	443	575
  7125/4-1	07.03.2007	493	499
  7125/4-2	01.12.2008	520	523
  7216/11-1 S	14.09.2000	2397	4239
  7218/8-1	10.04.2014	563	1852
  7218/11-1	10.04.2013	662	1559
  7219/8-1 S	26.12.1992	554	1545
  7219/8-2	30.09.2013	497	1753
  7219/9-1	25.02.1988	483	1468
  7219/9-2	02.07.2017	479	1323
  7219/9-3	29.07.2020	466	938
  7219/11-1	02.02.2021	497	1881
  7219/12-1	19.01.2017	485	1498
  7219/12-1 A	28.02.2017	485	1673
  7219/12-2 A	30.11.2017	484	1602
  7219/12-2 S	07.11.2017	485	1548
  7219/12-3 S	17.01.2018	475	1832
  7220/2-1	10.10.2014	530	655
  7220/4-1	25.02.2014	490	1294
  7220/5-1	24.03.2012	478	1035
  7220/5-2	08.07.2013	475	988
  7220/5-3	26.10.2018	490	1009
  7220/6-2	04.11.2015	481	510
  7220/6-2 R	22.11.2016	481	510
  7220/7-1	24.01.2012	485	1316
  7220/7-2 S	16.12.2013	455	980
  7220/7-3 S	05.05.2014	466	1180
  7220/7-4	14.03.2021	468	1219
  7220/8-1	02.05.2011	455	1014
  7220/8-2 S	22.05.2022	458	828
  7220/8-3	07.06.2022	456	890
  7220/10-1	16.10.2012	474	1272
  7220/11-1	17.10.2014	447	556
  7220/11-2	03.05.2015	465	587
  7220/11-2 A	14.06.2015	465	587
  7220/11-3	02.09.2015	492	575
  7220/11-3 A	29.09.2015	492	575
  7220/11-3 AR	10.10.2016	429	575
  7220/11-4	17.07.2017	500	564
  7220/11-4 A	28.08.2017	500	564
  7220/11-5 S	08.10.2018	462	578
  7224/7-1	19.06.1988	385	401
  7227/10-1	10.11.2014	359	513
  7316/5-1	05.10.1992	945	3752
  7319/12-1	22.09.2014	480	988

• Wellbores with cores

  Wellbores with cores

  Wellbore name	Wellbore completion date	Core length [m]
  7117/9-1	16.07.1982	11
  7216/11-1 S	14.09.2000	16
  7316/5-1	05.10.1992	38
  7319/12-1	22.09.2014	18