NORWAY · WELLBORES · NPDID 6215
25/2-17
Exploration · Wildcat · P&A · Oil · StatoilHydro Petroleum AS · Hugin · PL 442
25/2-17 is a wildcat exploration wellbore in the North Sea, drilled by StatoilHydro Petroleum AS, entered Sep 7, 2009, to 2,193 m in the Sele Fm.
Discovery 25/2-17 · On the map →
- 2,193
- m total depth · 2,192 m vertical
- 120
- m water depth
- Sep 7, 2009
- entered · completed Oct 11, 2009
- Sele Fm
- at total depth · Paleocene
- 58.1
- m of core in 3 cores
- 67
- °C bottom-hole temperature
SODIR FACTPAGES · RECORD UPDATED NOV 4, 2026 · RELEASED OCT 11, 2011
On file for this wellbore
What the Directorate holds from this wellbore. Each opens the section that lists it.
Drilling
- Drilling facility
- OCEAN VANGUARD · Semisub steel
- Drilling days
- 35
- Kelly bushing elevation
- 22 m
- Maximum inclination
- 2.5°
- Drilling permit
- 1276-L
- Licensing round
- TFO2006
- Plugged and abandoned
- —
- Core samples available
- Yes
- Cuttings samples available
- Yes
- Position · ED50
- 59.86587° N, 2.63066° E
- Hydrocarbons in
- Frigg Fm · Eocene
Well history
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
General
Well 25/2-17, Frigg Delta, was drilled east of the Frigg Field and north of the Frøy discovery in the south-west end of the Bjørgvin Arch in the North Sea. The main objective of the well was to prove commercial hydrocarbon accumulation in the Frigg Formation found in the lower part of the Hordaland Group. The License obligation was to drill 50 m into the Rogaland Group, before setting the TD of the well.
Operations and results
Appraisal well 25/2-17 was spudded with the semi-submersible installation Ocean Vanguard on 7 September 2009 and drilled to TD at 2193 m in the Early Eocene sediments of the Sele Formation. No major problems were encountered in the operations. The well was drilled with sea water and hi-vis PAC/RE sweeps down to 1000 m and with Performadril water-based mud from 1000 m to TD.
Well 25/2-17 encountered oil in unconsolidated sand of the Frigg Formation. Top Frigg came in at 1949 m, 10 m deeper than prognosed, and the oil water contact 2 m shallower than prognosed giving an oil column of 20 m. Good shows were recorded in the oil-bearing zone on core #1 from its top at 1955 m to 1970 m where a clear OWC was seen. Otherwise no oil shows were recorded in the well.
Three cores were cut from 1955 m to 2014 m in the Frigg Formation. MDT oil samples with up to 50% water cut were taken at 1951.2 m, while clean water samples were taken at 1987.6 m. Single stage separation of the oil gave an oil density of 0.919 g/cm3 and a GOR of 16 Sm3/Sm3.
The well was permanently abandoned on 11 October 2009. The well was drilled as wildcat but has later been reclassified as an appraisal of the 25/2-10 S GammaDelta discovery <
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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