NORWAY · LITHOSTRATIGRAPHY · FORMATION
Tang Fm
Part of the Rogaland Gp
Tang Fm is a formation of the Rogaland Gp on the Norwegian shelf. 361 wellbores have a top filed in it, at a median of 2,023 m along the wellbore, and 5 were cored in it for 187.2 m of core.
- 361
- wellbores with a top
- 2,023
- m median top · 1,425 to 2,548 for the middle 80%
- 5
- wellbores cored in it
- 187.2
- m of core
SODIR FACTPAGES · DEPTHS ALONG THE WELLBORE · NORWEGIAN SEA 361
Every wellbore with a top in Tang Fm →Cores from wellbores cored in Tang Fm →
Most core
5 WELLBORES · BY METRES CORED IN THE UNIT
| Wellbore | Core here, m | Operator | Entered | Core samples available |
|---|---|---|---|---|
| 6706/6-2 S | 155.4 | Wintershall Norge AS | Dec 4, 2018 | Yes |
| 6710/10-1 | 22.8 | Den norske stats oljeselskap a.s | Oct 5, 2000 | Yes |
| 6704/12-1 | 4 | Saga Petroleum ASA | Jun 4, 1999 | No |
| 6305/8-1 | 3 | Norsk Hydro Produksjon AS | Jul 13, 2000 | Yes |
| 6305/1-1 | 2 | Norsk Hydro Produksjon AS | Aug 18, 1998 | Yes |
View all 5 wellbores cored in Tang Fm, core by core →On the map →
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BY ENTRY DATE
Description
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
Name From the Norwegian name for seaweed. The formation corresponds to the informal Bodø Formation (H5-1).
Well type section Well 6407/6-1 (Statoil), coordinates 64°38'29.62"N, 07°52'31.53"E, from 1745 m to 1673 m (Fig 4.35). No cores.
Thickness 72 m in the type well.
Lithology Dark grey to brown claystone with minor sandstone and limestone.
Basal Stratotype The base is defined by an increase in interval transit time on the sonic log and a decrease in density and resistivity log readings.
Lateral extent and variation The formation thins towards the northeast. It is not present on the Nordland Ridge.
Age Danian to late Paleocene.
Depositional environment The sediments were deposited in a deep marine environment.
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.
This unit on Sodir FactPages →
About this data
Norwegian Offshore Directorate (Sodir) FactPages, mirrored nightly and used under the Norwegian Licence for Open Government Data (NLOD). Tops and cored lengths are the Directorate's, per wellbore and unit; the percentiles are computed from those tops and are depths along the wellbore, not true vertical depth.
Developers: this page as JSON is GET /v1/data/norway/formations/tang-fm, documented in the API reference.