NORWAY · WELLBORES · NPDID 6187

25/1-11

Exploration · Wildcat · Suspended · Dry · Det norske oljeselskap ASA · PL 460

1 document: reports, logs, and plots →

25/1-11 is a wildcat exploration wellbore in the North Sea, drilled by Det norske oljeselskap ASA, entered Jan 4, 2010, to 1,178 m in the Hordaland Gp.

On the map →

1,178
m total depth · 1,178 m vertical
107
m water depth
Jan 4, 2010
entered · completed Jan 12, 2010
Hordaland Gp
at total depth · Oligocene
—
m of core
—
°C bottom-hole temperature

SODIR FACTPAGES · RECORD UPDATED FEB 20, 2026 · RELEASED JAN 12, 2012

On file for this wellbore

What the Directorate holds from this wellbore. Each opens the section that lists it.

Drilling

Drilling facility
AKER BARENTS · Semisub steel
Drilling days
9
Kelly bushing elevation
40 m
Maximum inclination
1.39999998°
Drilling permit
1268-L
Licensing round
TFO2007
Plugged and abandoned
—
Core samples available
Yes
Cuttings samples available
Yes
Position · ED50
59.79031° N, 2.21845° E

Well history

WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE

General

Well 25/1-11 was drilled on the Storklakken prospect between the Heimdal- and Frigg Fields in the North Sea. The objective was to drill a top hole down to setting of the 13 3/8" casing, after which the well would be suspended due to planned repairs of the rig Aker Barents. The exploration objective would be fulfilled in a later re-entry.

Operations and results

Well 25/1-11 was spudded with the semi-submersible installation Aker Barents on 4 January 2010. A 9 7/8" Pilot hole was drilled to 1178 m from AUX ram, before opening up to 17 ½" hole. No indications of shallow gas were seen during the pilot hole. TD was set at 1178 m in Early Oligocene to Miocene sediments of the Hordaland Group. After running and cementing 13 3/8" casing, the well was suspended, due to a planned DAT (Direct Acting Tensioners) Cylinder repair on Aker Barents. The well was drilled with seawater/bentonite/CMC to TD.

No cores were cut and no wire line fluid samples were taken.

The well was suspended on 12 January 2010.

Testing

No drill stem test was performed.

Around this wellbore

This wellbore on Sodir FactPages → · Press release →

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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