SPEKK FM

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• Generell informasjon

  Generell informasjon

  Attributt	Verdi
  Litostrat. enhet Den litostratigrafiske enhetens offisielle navn.	SPEKK FM
  NPDID for litostrat. enhet Sokkeldirektoratets entydige nøkkel for litostratigrafiske enheter.	155
  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.	VIKING GP

• Nivå under

  Nivå under

  Litostrat. enhet

• Beskrivelse

  Spekk Formation
  
  Name

  The Norwegian word for blubber. The unit corresponds to the informal Nesna Formation (H2-2).

  Well type section

  6407/2-1 (Saga Petroleum), coordinates 64°58'04.97"N, 07°28'28.11"E, from 2908 m to 2842.5 m (Fig 4.24) .

  Well reference section

  6407/9-1 (Shell), coordinates 64°21'55,39"N, 07°47'21.76"E, from 1673 m to 1612 m (Fig 4.22) . This section includes 49 m of the Rogn Formation . The lowermost part, including the base is cored, but the atypical development of the succession in the Draugen Field makes this well unsuitable as type section.

  Thickness

  65.5 m in the type well, 14 m in the reference well.

  Lithology

  The formation consists of dark brown to dark grey shale. The shale is predominantly non-calcareous. Parts of the unit may be silty. The organic content (mainly of type II kerogen) is very high.

  Basal Stratotype

  The formation has a characteristic high gamma log response and the sonic log shows high interval transit times. The base is defined by a sharp increase in the gamma ray response and a drop in sonic log readings. High velocity limestone stringers close to the base of the formation may complicate the basal pick on the sonic log.

  Lateral extent and variation

  The formation was probably deposited throughout the Haltenbanken-Trænabanken area, but may now be absent from the Nordland Ridge and other structural highs. Unusually thick sections may be present in structural lows.

  Age

  Oxfordian to Ryazanian.

  Depositional environment

  The unit's shales were deposited in marine anoxic bottom water conditions.

  Correlation

  The Spekk Formation has a higher, more uniform gamma ray response than the partially time equivalent Draupne Formation in the northern North Sea. The two formations are lithologically similar with dark claystones and high organic contents. The Spekk Formation is time equivalent to the Hekkingen Formation in the Hammerfest Basin.

  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.

• Brønnbaner som penetrerer

  Brønnbaner som penetrerer

  Brønnbane navn	Dato for boreslutt	Topp dyp [m]	Bunn dyp [m]
  6205/3-1 R	30.11.1990	4394	4446
  6205/3-1 R	30.11.1990	4466	4485
  6205/3-1 R	30.11.1990	4494	4777
  6205/3-1 R	30.11.1990	4846	4955
  6205/3-1 R	30.11.1990	5046	5220
  6205/3-1 R	30.11.1990	5236	5264
  6305/12-2	17.12.1993	2966	2967
  6306/3-2	12.07.2022	1648	1650
  6306/6-1	05.07.1994	1137	1159
  6306/6-1	05.07.1994	1252	1267
  6306/9-1	18.01.2022	810	817
  6307/1-1 S	28.12.2018	1845	1872
  6307/1-2	16.10.2023	1900	1925
  6406/2-1	09.04.1995	4371	4381
  6406/2-1 R	07.01.1996	4369	4379
  6406/2-2	27.03.1996	4375	4389
  6406/2-2 R	03.03.2006	4369	4383
  6406/2-4 S	05.04.1997	4388	4406
  6406/2-4 SR	15.02.1999	4388	4406
  6406/2-6	07.11.1998	4432	4433
  6406/2-6 A	06.07.2000	4747	4749
  6406/2-6 R	23.05.2000	4433	4434
  6406/2-8	05.05.2015	4299	4308
  6406/2-9 S	15.01.2019	4419	4435
  6406/3-1	14.08.1984	3662	3685
  6406/3-2	22.11.1986	3841	3867
  6406/3-3	26.10.1986	3800	3843
  6406/3-4	29.12.1987	3908	3949
  6406/3-5	01.06.1988	3732	3765
  6406/3-6	15.11.2002	3577	3594
  6406/3-7	19.09.2006	3895	3900
  6406/3-8	10.08.2010	3783	3795
  6406/3-10	05.04.2020	4032	4044
  6406/3-10 A	31.08.2021	4339	4360
  6406/5-1	30.04.2002	4072	4077
  6406/6-1	30.12.1985	4005	4050
  6406/6-2	31.01.2007	4051	4068
  6406/6-3	09.07.2013	3732	3753
  6406/6-4 S	30.10.2015	3971	3980
  6406/6-6 A	05.01.2019	4169	4200
  6406/6-6 S	16.11.2018	4169	4200
  6406/9-1	02.06.2005	4254	4269
  6406/9-2	01.07.2007	4325	4395
  6406/9-3	29.09.2013	4200	4218
  6406/12-1 S	28.02.1991	3625	3727
  6406/12-2	17.10.1995	3711	3790
  6406/12-2	17.10.1995	3873	3907
  6406/12-3 A	22.07.2014	4041	4053
  6406/12-3 A	22.07.2014	4114	4124
  6406/12-3 B	11.06.2014	3726	3728
  6406/12-3 B	11.06.2014	3748	3761
  6406/12-4 A	17.09.2015	3495	3522
  6406/12-4 S	17.08.2015	3753	3946
  6406/12-5 S	12.11.2015	3741	3744
  6406/12-5 S	12.11.2015	3769	3811
  6406/12-G-1 H	24.10.2020	3859	3861
  6407/1-2	15.05.1983	3526	3575
  6407/1-3	16.01.1984	3521	3545
  6407/1-4	23.08.1996	3571	3595
  6407/1-5 S	21.05.2012	3737	3758
  6407/1-6 S	24.01.2013	3717	3792
  6407/1-8 S	28.10.2020	3301	3329
  6407/2-1	06.08.1982	2843	2908
  6407/2-2	31.07.1983	2410	2417
  6407/2-3	23.01.1987	2393	2399
  6407/2-4	31.08.2009	2819	2858
  6407/2-5 S	02.09.2009	2733	2745
  6407/2-6 S	13.05.2010	2909	2917
  6407/3-1 S	08.05.2011	2538	2622
  6407/3-2 S	05.09.2019	1958	2000
  6407/4-1	15.11.1985	3710	3772
  6407/4-2	13.04.2011	3795	3874
  6407/5-1	04.03.1988	3873	4120
  6407/5-2 S	04.09.2011	3054	3109
  6407/6-1	26.10.1984	1834	1843
  6407/6-3	16.02.1987	2445	2451
  6407/6-4	13.12.1990	2536	2630
  6407/6-5	27.12.1999	2359	2377
  6407/6-6	05.02.2008	2101	2110
  6407/6-7 S	27.05.2009	2685	2747
  6407/6-7 S	27.05.2009	2766	2777
  6407/7-1 S	07.04.1986	2696	2706
  6407/7-2	21.01.1987	2637	2652
  6407/7-2 R	30.04.1990	2639	2654
  6407/7-3	18.05.1988	2795	2807
  6407/7-4	28.03.1989	2844	2855
  6407/7-5	15.02.1991	3120	3154
  6407/7-6	16.12.2000	3338	3351
  6407/7-7 S	20.09.2007	3329	3334
  6407/7-8	14.09.2008	4120	4184
  6407/7-8 A	05.11.2008	4118	4188
  6407/7-9 A	16.10.2016	3850	3884
  6407/7-9 S	20.09.2016	3443	3458
  6407/8-1	07.06.1992	4094	4306
  6407/8-2	25.11.1994	1710	1728
  6407/8-3	27.05.1997	1639	1666
  6407/8-4 S	21.05.2008	2178	2184
  6407/8-4 S	21.05.2008	2187	2198
  6407/8-5 A	13.06.2009	2100	2180
  6407/8-5 S	26.05.2009	2100	2180
  6407/8-6	20.10.2013	2754	2760
  6407/8-6 A	09.12.2013	2820	2828
  6407/8-7	12.05.2015	2412	2417
  6407/9-1	07.09.1984	1591	1621
  6407/9-1	07.09.1984	1670	1673
  6407/9-2	02.02.1985	1620	1650
  6407/9-3	28.07.1985	1593	1630
  6407/9-3	28.07.1985	1668	1685
  6407/9-4	10.09.1985	1637	1658
  6407/9-5	13.11.1985	1619	1654
  6407/9-5	13.11.1985	1705	1733
  6407/9-6	13.03.1986	1611	1643
  6407/9-6 R	30.05.1993	1611	1643
  6407/9-7	25.05.1988	1692	1714
  6407/9-8	22.09.1992	1606	1699
  6407/9-9	06.07.1999	1691	1700
  6407/9-10	23.06.2003	1608	1635
  6407/9-12	08.11.2019	1622	1663
  6407/9-12	08.11.2019	1701	1704
  6407/9-13	14.02.2022	1990	2087
  6407/10-1	19.06.1987	2573	2579
  6407/10-2	23.06.1990	2821	2830
  6407/10-3	27.06.1992	1806	1827
  6407/10-4	19.01.2016	2379	2390
  6407/10-5	18.09.2015	2518	2588
  6407/11-1	07.12.2018	1743	1771
  6407/12-1	15.07.1999	1625	1659
  6407/12-1	15.07.1999	1721	1731
  6407/12-3	02.06.2010	1630	1727
  6408/4-1	18.10.1988	1702	1797
  6506/6-1	07.12.2000	4353	4458
  6506/9-1	15.09.2009	4575	4650
  6506/9-2 S	28.04.2010	4138	4158
  6506/9-3	27.08.2013	4025	4032
  6506/9-4 A	13.07.2018	4149	4153
  6506/9-4 S	27.04.2018	4387	4389
  6506/11-1	31.03.1988	3844	3862
  6506/11-2	26.10.1991	4162	4165
  6506/11-3	02.10.1992	4167	4169
  6506/11-4 S	06.06.1996	4428	4434
  6506/11-5 S	10.11.1996	4139	4144
  6506/11-7	27.07.2001	4576	4578
  6506/11-8	16.07.2006	4599	4600
  6506/11-9 S	03.09.2012	4549	4560
  6506/11-10	17.04.2018	4223	4225
  6506/12-1	06.02.1985	3836	3852
  6506/12-3	17.07.1985	3709	3721
  6506/12-4	13.08.1985	3855	3863
  6506/12-5	27.03.1986	3780	3827
  6506/12-6	02.08.1986	4021	4050
  6506/12-7	12.08.1987	4042	4114
  6506/12-8	30.08.1988	3743	3787
  6506/12-9 S	10.09.1993	4169	4197
  6506/12-10	26.06.1995	4229	4293
  6506/12-10 A	11.12.1995	4901	4966
  6506/12-11 S	07.09.1996	4577	4590
  6506/12-11 SR	01.02.1997	4577	4590
  6506/12-12 A	01.09.2009	4408	4457
  6506/12-12 S	06.08.2009	4408	4457
  6507/2-1	29.09.1986	3610	3615
  6507/2-3	05.05.1994	3843	3972
  6507/2-5 S	14.09.2019	3705	3725
  6507/2-6	14.07.2022	3883	3990
  6507/3-1	26.10.1990	3088	3122
  6507/3-3	25.03.1999	3013	3093
  6507/3-3 A	06.05.1999	3098	3158
  6507/3-3 B	16.06.1999	3098	3158
  6507/3-4	30.04.2004	3161	3185
  6507/3-5 S	08.05.2008	3566	3570
  6507/3-7	22.07.2009	3344	3363
  6507/3-8	15.12.2009	2534	2585
  6507/3-10	16.08.2013	2842	3002
  6507/3-12	28.02.2017	2891	3004
  6507/5-1	03.05.1998	3178	3194
  6507/5-2	23.09.1999	3222	3250
  6507/5-4 A	03.06.2001	3474	3491
  6507/5-5	14.02.2002	3339	3372
  6507/5-9 S	27.09.2019	1972	1977
  6507/6-2	16.07.1991	3174	3276
  6507/6-3	24.11.2008	1339	1371
  6507/7-1	01.12.1984	3680	3785
  6507/7-5	06.03.1986	2310	2316
  6507/7-10	29.10.1993	2439	2471
  6507/7-11 S	14.08.1997	3327	3348
  6507/7-12	12.08.1999	3911	3976
  6507/7-14 S	26.09.2010	3767	3790
  6507/7-15 S	02.05.2012	3854	3866
  6507/8-5	16.03.1991	1787	1790
  6507/8-6	09.10.1993	1974	2033
  6507/8-7	31.01.2004	2649	2750
  6507/10-1	31.10.1982	2781	2835
  6507/10-2 S	10.02.2014	2615	2617
  6507/11-2	30.05.1982	1898	1908
  6507/11-3	15.08.1985	2358	2373
  6507/11-4	22.06.1987	2530	2535
  6507/11-5 S	28.10.1997	2434	2445
  6507/11-6	08.07.2001	2885	2983
  6507/11-8	03.07.2007	2373	2391
  6507/11-9	18.04.2008	2535	2543
  6507/11-10	16.02.2010	2041	2051
  6507/11-11	01.07.2015	2604	2713
  6507/12-1	26.10.1980	2032	2052
  6507/12-2	24.11.1981	1872	1878
  6507/12-3	13.09.1985	1937	1939
  6508/1-1 A	13.09.1999	2573	2738
  6508/1-1 S	29.08.1999	2130	2147
  6508/5-1	24.05.1987	1580	1650
  6510/2-1	10.10.1997	1292	1319
  6510/2-1 R	21.12.1997	1292	1319
  6607/12-2 S	25.10.2011	3258	3272
  6607/12-4	13.10.2020	3387	3416
  6608/10-1	29.05.1989	2920	2928
  6608/10-1	29.05.1989	2934	2937
  6608/10-2	29.01.1992	2347	2365
  6608/10-3	11.03.1993	2407	2413
  6608/10-3 R	17.08.1995	2407	2413
  6608/10-4	06.03.1994	2328	2372
  6608/10-8	12.04.2002	2222	2224
  6608/10-8 A	26.04.2002	2323	2345
  6608/10-9	18.02.2003	2047	2055
  6608/10-10	07.08.2003	2365	2376
  6608/10-11 S	15.08.2006	3107	3153
  6608/10-12	21.12.2008	2674	2677
  6608/10-12 A	25.01.2009	2768	2777
  6608/10-14 S	01.04.2010	2375	2381
  6608/10-16	13.06.2014	3531	3534
  6608/10-17 S	31.01.2017	3311	3323
  6608/10-18	17.08.2018	3418	3446
  6608/11-9	05.08.2019	1498	1545
  6609/10-2	03.10.2009	1850	1869
  6609/11-1	07.07.1983	2069	2226
  6610/3-1 R	11.12.1993	3534	3614
  6610/3-1 R2	07.10.1996	3536	3616
  6610/7-1	19.06.1983	2271	2315
  6610/10-1	03.02.2013	2264	2292

• Brønnbaner med kjerner

  Brønnbaner med kjerner

  Brønnbane navn	Dato for boreslutt	Kjernelengde [m]
  6205/3-1 R	30.11.1990	11
  6305/12-2	17.12.1993	1
  6406/12-1 S	28.02.1991	13
  6406/12-2	17.10.1995	27
  6406/12-3 A	22.07.2014	10
  6406/12-3 B	11.06.2014	15
  6406/12-4 S	17.08.2015	4
  6407/5-1	04.03.1988	9
  6407/6-7 S	27.05.2009	12
  6407/9-1	07.09.1984	3
  6407/9-2	02.02.1985	2
  6407/9-3	28.07.1985	14
  6407/9-8	22.09.1992	70
  6407/11-1	07.12.2018	18
  6408/4-1	18.10.1988	1
  6506/12-7	12.08.1987	1
  6507/7-5	06.03.1986	7
  6507/7-10	29.10.1993	5