NORWAY · WELLBORES · NPDID 1443
2/9-3
Exploration · Wildcat · P&A · Oil shows · Amoco Norway Oil Company · PL 032
2/9-3 is a wildcat exploration wellbore in the North Sea, drilled by Amoco Norway Oil Company, entered Sep 13, 1989, to 4,859 m in the Rotliegend Gp.
- 4,859
- m total depth · 4,855 m vertical
- 67.1
- m water depth
- Sep 13, 1989
- entered · completed Dec 14, 1989
- Rotliegend Gp
- at total depth · Early Permian
- 27.4
- m of core in 2 cores
- 148
- °C bottom-hole temperature
SODIR FACTPAGES · RECORD UPDATED MAR 1, 2026 · RELEASED DEC 14, 1991
On file for this wellbore
What the Directorate holds from this wellbore. Each opens the section that lists it.
Drilling
- Drilling facility
- DYVI STENA · Semisub steel
- Drilling days
- 93
- Kelly bushing elevation
- 25 m
- Maximum inclination
- 9.19999981°
- Drilling permit
- 618-L
- Licensing round
- 2-A
- Plugged and abandoned
- —
- Core samples available
- Yes
- Cuttings samples available
- Yes
- Position · ED50
- 56.43427° N, 3.79720° E
Well history
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
General
Well 2/9-3 was drilled on the Piggvar Terrace, between the Central Graben to the west and the Mandal High and the Søgne Basin to the east. The primary objective was to test for hydrocarbons, reservoir quality, and source rock potential and maturation in Late and Middle Jurassic formations. Secondary objectives were to determine the Permian stratigraphy in this portion of the Piggvar Terrace, and the reservoir quality and possible hydrocarbon accumulation in Early Permian Rotliegendes sands.
Operations and results
Wildcat well 2/9-3 was spudded with the semi-submersible installation Dyvi Stena on13 September 1989. After drilling to 378 m the hole packed off, and the well had to be re-spudded. The re-spud took place 20 m from the original location on 15 September 1989 and the well was drilled to TD at 4859 m in the Early Permian Rotliegend Group. BHA component failures in the 12.25" and 8.5" hole sections accounted for 9.4 days of lost time, but generally drilling and operations went without significant problems, and the well was drilled within the scheduled time. Possible shallow gas had been warned pre-drill at 160, 425 and 535 m, but no shallow gas was encountered. The well was drilled with seawater and hi-vis pills down to 850 m, with KCl/PHPA/PAC mud from 850 m to 3875 m, and with HRM/polymer mud from 3875 m to TD.
The lowermost part of the chalk was of Santonian age. The Coniacian, Turonian and Cenomanian were apparently absent as they where in well 2/9-2. A 12 m thick Early Cretaceous section was penetrated, dating Valanginian to Early Barremian. No evidence of Albian, Aptian and Ryazanian was seen. Top Late Jurassic came in at 3846 m, close to prognosed d
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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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