HERMOD FM

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• General information

  General information

  Attribute	Value
  Lithostrat. unit The lithostratigraphic unit's official name.	HERMOD FM
  NPDID lithostrat. unit Norwegian Offshore Directorate's unique id for lithostratigraphic units.	64
  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.	ROGALAND GP

• Level below

  Level below

  Lithostrat. unit

• Description

  Hermod Formation
  
  Name

  Hermod was a son of Odin, and was known as "the quick one".

  Well type section

  Norwegian well 25/2-6 from 2361 m to 2221 m, coordinates N 59°45'33.55", E 02°33'05.96" (Fig 5.56) . No cores.

  Well reference section

  UK well 10/1-1A from 2212 m to 2127 m, coordinates N 59°50'10.50", E 02°00'33.60" (Fig 5.48) . No cores.

  Thickness

  The Hermod Formation is 140 m thick in the type well and 85 m thick in the reference well. It thickens towards the centre of its distribution area (Fig 5.47) .

  Lithology

  The Hermod Formation consists of clean sandstones which are very fine to fine grained and clear to grey. The formation is to a limited extent interbedded with dark shales.

  Basal stratotype

  The lower boundary of the Hermod Formation is identified by a transition from the shales of the Lista Formation . This boundary essentially represents the boundary between the Lista and Sele formations, and the Hermod Formation may rest on shales of the Sele Formation . The log response in both cases is a sharp transition from the high gamma-ray readings and low velocity of the shales to the low and regular gamma-ray readings and higher velocity of the Hermod Formation sandstones (Fig 5.56) . Where the Hermod Formation rests directly on the Heimdal Formation the boundary may be indistinct, but the log response changes from an erratic pattern in the Heimdal Formation to a smoother one, reflecting the more homogeneous sandstones of the Hermod Formation.

  Characteristics of the upper boundary

  The Hermod Formation is overlain by the time-equivalent Sele Formation , and the boundary is an abrupt change from sandstones to dark shales. The gamma-ray response changes from low readings in the sandstones to significantly higher ones in the Sele Formation , and the velocity is lower in the Sele Formation (Fig 5.56) .

  Distribution

  The Hermod Formation is found in the South Viking Graben, in the northwestern part of quadrant 25. It may also be found in other parts of the South Viking Graben. The main distribution area is outlined in (Fig 5.47) .

  Age

  Late Paleocene.

  Depositional environment

  The Hermod Formation was deposited in submarine fan systems connected with the deltaic Moray Group in the west.

  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.

• Wellbores penetrating

  Wellbores penetrating

  Wellbore name	Wellbore completion date	Top depth [m]	Bottom depth [m]
  15/3-1 S	06.07.1975	2215	2239
  15/3-6	05.01.1999	2266	2347
  16/1-1	10.12.1967	2316	2355
  16/4-3	24.12.2000	2196	2197
  16/4-3	24.12.2000	2207	2208
  24/6-1	25.08.1985	2079	2083
  24/9-3	15.04.1981	1981	2060
  24/9-5	26.01.1994	2049	2082
  24/9-5	26.01.1994	2098	2112
  24/9-6	07.03.1994	2119	2137
  24/9-9 A	15.10.2009	2861	2921
  24/9-9 B	25.10.2009	2925	2983
  24/9-9 S	07.10.2009	2202	2268
  24/9-10 A	20.02.2011	2799	2881
  24/9-10 S	02.02.2011	2211	2299
  24/9-12 S	08.02.2018	2094	2150
  24/9-13	16.07.2019	2166	2178
  24/12-4	14.09.2001	2139	2207
  25/1-1	22.07.1971	2195	2218
  25/1-1	22.07.1971	2228	2245
  25/1-2	25.08.1971	2108	2190
  25/1-3	27.01.1972	2289	2492
  25/1-7	26.05.1985	2290	2439
  25/1-7 R	14.02.1987	2290	2439
  25/1-7 R2	10.05.1988	2287	2436
  25/1-7 R3	16.04.1989	2287	2436
  25/1-7 R4	05.04.1990	2287	2436
  25/1-8 S	25.07.1985	2329	2532
  25/1-8 SR4	14.04.1991	2326	2529
  25/1-8 SR3	06.04.1989	2326	2529
  25/1-8 SR	18.02.1987	2329	2532
  25/1-8 SR2	15.05.1988	2326	2529
  25/1-9	12.10.1986	2402	2420
  25/1-11 A	14.05.2010	2318	2349
  25/1-11 R	26.04.2010	2244	2253
  25/2-1	21.09.1973	2188	2360
  25/2-2	11.07.1974	2269	2363
  25/2-3	09.10.1974	2274	2427
  25/2-4	20.10.1975	2250	2325
  25/2-5	04.08.1976	2238	2374
  25/2-6	15.11.1977	2221	2361
  25/2-12	12.11.1988	2300	2350
  25/2-12 A	06.04.1989	2300	2350
  25/2-13	25.01.1990	2240	2400
  25/2-14	30.03.1991	2211	2242
  25/2-14	30.03.1991	2259	2304
  25/2-15	13.01.1993	2208	2377
  25/2-15 R	01.03.1993	2212	2381
  25/2-15 R2	11.04.1993	2212	2381
  25/2-18 A	19.10.2016	2327	2426
  25/2-18 B	30.10.2016	2321	2448
  25/2-18 C	17.11.2016	2308	2366
  25/2-18 S	11.09.2016	2240	2326
  25/2-19 A	08.10.2017	2380	2504
  25/2-23 S	01.04.2022	2376	2532
  25/4-10 S	10.11.2009	2671	2698
  25/5-6	19.09.2009	2240	2309
  25/6-3	11.11.1999	2083	2155
  25/6-4 S	15.02.2012	2071	2141
  25/7-2	18.07.1990	2216	2222
  25/7-4 S	21.06.1997	2018	2121
  25/7-5	30.08.1997	2044	2061
  25/7-6	14.10.2000	2069	2082
  25/7-7	09.11.2019	2204	2212
  25/7-8 S	09.01.2020	2031	2153
  25/7-9 S	15.02.2020	1932	1980
  25/8-1	04.07.1970	1754	1763
  25/8-3	17.04.1981	1753	1767
  25/8-10 S	05.06.1997	1725	1741
  25/8-11	02.12.1997	1765	1768
  25/8-11	02.12.1997	1774	1796
  25/8-12 S	09.06.1999	1785	1788
  25/8-12 S	09.06.1999	1789	1802
  25/8-20 B	28.05.2021	1980	2025
  25/8-20 C	13.06.2021	1981	2007
  25/8-20 S	10.05.2021	2023	2096
  25/10-1	16.10.1969	1730	1745
  25/10-1 R	03.08.1970	1730	1745
  25/10-1 R	03.08.1970	1756	1762
  25/10-3	13.09.1970	1808	1837
  25/10-5	17.07.1981	1831	1848
  25/10-17 S	10.02.2023	2277	2380
  25/11-1	09.07.1967	1794	1817
  25/11-2	24.09.1970	1780	1817
  25/11-4	20.11.1970	1792	1816
  25/11-5	08.05.1974	1731	1771
  25/11-9	07.12.1980	1782	1783
  25/11-9	07.12.1980	1789	1818
  25/11-13	29.05.1981	1769	1817
  25/11-19 S	18.05.1995	1891	1893
  25/11-19 S	18.05.1995	1897	1985
  25/11-19 SR	06.05.1997	1891	1893
  25/11-19 SR	06.05.1997	1897	1985
  25/11-23	28.05.1999	1796	1804
  25/11-23	28.05.1999	1808	1864
  25/11-25 A	10.03.2008	2074	2167
  26/4-2	26.04.2004	2040	2093
  30/4-3 S	09.10.2016	2122	2166
  30/7-2	09.11.1975	1947	2025
  30/7-2	09.11.1975	2048	2088
  30/7-3	25.10.1976	2187	2280
  30/7-7	01.07.1979	2217	2291
  30/7-7	01.07.1979	2313	2320
  30/8-2	14.01.1996	2076	2138
  30/10-1	18.07.1973	2202	2289
  30/10-1	18.07.1973	2340	2374
  30/10-2	28.03.1974	2189	2256
  30/10-3	31.08.1974	2188	2255
  30/10-5	01.05.1975	2214	2262
  30/10-5	01.05.1975	2310	2371
  30/10-6	09.11.1992	2256	2318
  30/10-7	17.10.1992	2183	2186
  30/10-7	17.10.1992	2191	2193
  30/10-7	17.10.1992	2202	2212
  30/10-7	17.10.1992	2218	2232
  30/10-7	17.10.1992	2236	2244
  30/11-1	14.03.1975	2218	2354
  30/11-3	14.03.1983	2205	2330
  30/11-4	24.07.1984	2199	2345
  30/11-5	09.01.1997	2222	2306
  30/11-7	03.02.2009	2208	2319
  30/11-7 A	25.05.2009	2208	2319
  30/11-9 A	08.01.2014	2376	2575
  30/11-9 S	13.11.2013	2260	2395
  30/11-10	26.12.2014	2272	2296
  30/11-10 A	13.02.2015	2282	2317
  30/11-11 A	07.04.2016	2552	2711
  30/11-11 S	19.03.2016	2251	2374
  30/11-14	06.07.2016	2247	2280
  30/11-14 B	23.07.2016	2700	2730
  31/10-1	25.07.2014	2172	2207
  35/10-3	14.07.1999	1948	1984

• Wellbores with cores

  Wellbores with cores

  Wellbore name	Wellbore completion date	Core length [m]
  15/3-6	05.01.1999	20
  16/1-1	10.12.1967	28
  24/9-5	26.01.1994	4
  24/9-9 S	07.10.2009	54
  24/9-10 S	02.02.2011	54
  25/1-7	26.05.1985	7
  25/6-3	11.11.1999	25
  25/7-5	30.08.1997	16
  25/7-6	14.10.2000	11
  25/8-1	04.07.1970	9
  25/8-10 S	05.06.1997	16
  25/8-11	02.12.1997	19
  25/10-1	16.10.1969	15
  25/10-1 R	03.08.1970	30
  25/11-19 S	18.05.1995	42
  30/7-2	09.11.1975	14
  30/8-2	14.01.1996	7
  30/10-7	17.10.1992	12