25/2-19 A is a wildcat exploration wellbore in the North Sea, drilled by Aker BP ASA, entered Sep 11, 2017, to 4,210 m in the Sleipner Fm.
- 4,210
- m total depth · 4,044 m vertical
- 120.5
- m water depth
- Sep 11, 2017
- entered · completed Oct 8, 2017
- Sleipner Fm
- at total depth · Middle Jurassic
- —
- m of core
- —
- °C bottom-hole temperature
SODIR FACTPAGES · RECORD UPDATED FEB 20, 2026 · RELEASED OCT 8, 2019
On file for this wellbore
What the Directorate holds from this wellbore. Each opens the section that lists it.
Drilling
- Drilling facility
- MAERSK INTERCEPTOR · Jack-up 3 legs
- Drilling days
- 18
- Kelly bushing elevation
- 55 m
- Maximum inclination
- 32.29999924°
- Drilling permit
- 1672-L
- Licensing round
- TFO2006
- Plugged and abandoned
- Sep 28, 2017
- Core samples available
- Yes
- Cuttings samples available
- Yes
- Position · ED50
- 59.87455° N, 2.62934° E
Well history
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
General
Well 25/2-19 A is a side-track to wellbore 25/2-19 S. The well was drilled to test the Nordfjellet prospect north of the Frigg Delta structure on the Bjørgvin Arch in the North Sea. The primary objective was to test the hydrocarbon potential in the Middle Jurassic Hugin Formation. A secondary objective was to test the hydrocarbon potential in the lower Sleipner Formation, which contained a minor condensate discovery in well 25/2-18 C.
Operations and results
Wildcat well 25/2-19 A was kicked off from 1102 m in the primary wellbore on 11 September 2017. It was drilled with the jack-up installation Mærsk Interceptor to TD at 4210 m TD (4044.2 m TVD) in the Middle Jurassic Sleipner Formation. Operations proceeded without significant problems. The well was drilled with EMS 4600 oil-based mud from kick-off to TD.
A thin injected sandstone of early Oligocene age at 1580 to 1589 m (1547.8 to 1555.4) contained hydrocarbons based on petrophysical evaluation. A water-bearing Frigg Formation was penetrated from 2131.5 m to 2260.1 m ( 2015.8 m to 2133.1 m TVD) as expected. For the middle Jurassic, both the primary Hugin target and the secondary Sleipner target were dry. However, the Hugin Formation contained possible HC shows based on petrophysical log interpretation. Cuttings taken from the wells were all highly contaminated by drilling fluids and can therefore not be used as support for the petrophysical evaluation. Fluid sampli
Around this wellbore
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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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