NORWAY · WELLBORES · NPDID 157
7/12-1 S
Exploration · Wildcat · P&A · Dry · Norwegian Gulf Exploration Company AS · PL 019
7/12-1 S is a wildcat exploration wellbore in the North Sea, drilled by Norwegian Gulf Exploration Company AS, entered Aug 31, 1968, to 3,311 m in the Åsgard Fm.
- 3,311
- m total depth
- 71
- m water depth
- Aug 31, 1968
- entered · completed Oct 18, 1968
- Åsgard Fm
- at total depth · Early Cretaceous
- —
- m of core
- 120
- °C bottom-hole temperature
SODIR FACTPAGES · RECORD UPDATED FEB 20, 2026 · RELEASED OCT 18, 1970
On file for this wellbore
What the Directorate holds from this wellbore. Each opens the section that lists it.
Drilling
- Drilling facility
- GULFTIDE · Jack-up 4 legs
- Drilling days
- 49
- Kelly bushing elevation
- 28 m
- Maximum inclination
- 12.5°
- Drilling permit
- 18-L
- Licensing round
- 1-A
- Plugged and abandoned
- —
- Core samples available
- Yes
- Cuttings samples available
- Yes
- Position · ED50
- 57.10014° N, 2.84917° E
Well history
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
General
Well 7/12-1 S was drilled on the Cod Terrace in the North Sea. The primary objective was to test possible Late Paleocene sandstones.
Operations and results
Wildcat well 7/12-1 S was spudded with the jack-up installation Gulftide on 31 August 1968 and drilled to TD at 3311 m in claystone believed at the time to be Jurassic sediments but which since has been assigned to the Cromer Knoll Group. The pipe stuck at 2270 m. Fishing was unsuccessful and the well was plugged back and technically sidetracked from 1443 m. The well was drilled with seawater/Flosal/Drispac down to 1009 m and with seawater/Q-Broxin mud from 1009 m to TD.
The well was dry. The target section from 2588 to 2627 m had only very thin laminations of sandstone without shows.
No cores were cut and no fluid samples were taken.
The well was permanently abandoned on 18 October 1968 as a dry well.
Testing
No drill stem test was performed.
Around this wellbore
This wellbore on Sodir FactPages →
About this data
Norwegian Offshore Directorate (Sodir) FactPages, mirrored nightly and used under the Norwegian Licence for Open Government Data (NLOD). Depths are metres along the wellbore from the kelly bushing unless a row gives its own unit; older cores are filed in feet. A zero the Directorate files for an unmeasured pressure, density, or temperature is shown as a dash.
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