NORWAY · WELLBORES · NPDID 197
15/6-1
Exploration · Wildcat · P&A · Dry · Esso Exploration and Production Norway A/S · PL 029
15/6-1 is a wildcat exploration wellbore in the North Sea, drilled by Esso Exploration and Production Norway A/S, entered Aug 7, 1971, to 1,679 m in the Hordaland Gp.
- 1,679
- m total depth · 1,616 m vertical
- 115.5
- m water depth
- Aug 7, 1971
- entered · completed Sep 8, 1971
- Hordaland Gp
- at total depth · Eocene
- —
- m of core
- 41
- °C bottom-hole temperature
SODIR FACTPAGES · RECORD UPDATED FEB 20, 2026 · RELEASED SEP 8, 1973
On file for this wellbore
What the Directorate holds from this wellbore. Each opens the section that lists it.
Drilling
- Drilling facility
- GLOMAR GRAND ISLE · Vessel
- Drilling days
- 33
- Kelly bushing elevation
- 9 m
- Maximum inclination
- 0°
- Drilling permit
- 60-L
- Licensing round
- 2-A
- Plugged and abandoned
- —
- Core samples available
- Yes
- Cuttings samples available
- Yes
- Position · ED50
- 58.54674° N, 1.69244° E
Well history
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
General
Well 15/6-1 is located ca 5 km north of the Sleipner Field. The primary objective of the well was Eocene sands.
Operations and results
Well 15/6-1 was spudded with the drill vessel Glomar Grand Isle on 7 August 1971and drilled to TD at 1679 m in Eocene sediments of the Hordaland Group. Initial drilling from the sea floor to 384 m was with sea water and gel. Below 384 m to a depth of 1247 m the mud system consisted of sea water and Spersene XP-20 Salinex with drilling detergent. From 1247 m to TD a fresh water Spersene XP-20 system was used. Due to problems with the casing seal assembly the well was abandoned without reaching its target. The vessel vas moved approximately 335 m east and a replacement hole (15/6-2) was drilled.
The only reservoir penetrated was a thick Miocene sand section (the Utsira Formation) between 768 and 996 m. No hydrocarbon shows were encountered.
No cores were cut and no wire line fluid samples were taken.
The well was permanently abandoned on 8 September 1971 as a junk 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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