NORWAY · WELLBORES · NPDID 2640
6406/12-2
Exploration · Wildcat · P&A · Dry · Den norske stats oljeselskap a.s · PL 157
6406/12-2 is a wildcat exploration wellbore in the Norwegian Sea, drilled by Den norske stats oljeselskap a.s, entered Sep 1, 1995, to 4,367 m in the Melke Fm.
- 4,367
- m total depth · 4,363 m vertical
- 334
- m water depth
- Sep 1, 1995
- entered · completed Oct 17, 1995
- Melke Fm
- at total depth · Middle Jurassic
- 61.3
- m of core in 3 cores
- 146
- °C bottom-hole temperature
SODIR FACTPAGES · RECORD UPDATED MAR 27, 2026 · RELEASED OCT 17, 1997
On file for this wellbore
What the Directorate holds from this wellbore. Each opens the section that lists it.
Drilling
- Drilling facility
- DEEPSEA BERGEN decom · Semisub steel
- Drilling days
- 47
- Kelly bushing elevation
- 23 m
- Maximum inclination
- 5.9000001°
- Drilling permit
- 824-L
- Licensing round
- 12-B
- Plugged and abandoned
- —
- Core samples available
- Yes
- Cuttings samples available
- Yes
- Position · ED50
- 64.10363° N, 6.86196° E
Well history
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
General
Well 6406/12-2 is located approximately mid way between the Njord Field and the small 6406/11-1 S oil discovery. The main objective of the well was to prove oil accumulation in Upper Jurassic Sandstones in the Lambda prospect.
Operations and results
Exploration well 6406/12-2 was spudded with the semi-submersible installation "Deepsea Bergen" on 1 September 1995 and drilled to a total depth of 4367 m in Middle Jurassic Melke Formation sandstones. The well was drilled with Bentonite / CMC EHV down to 917 m, with "ANCO 2000" mud from 917 m to 2316 m, and with oil based "ANCOVERT" from 2316 m to TD.
Drilling performance was good down to 3731 m but very low penetration rate was experienced below this level to TD due to very hard formation.
Three cores were cut, one in Spekk Formation (shale), one in Rogn Formation II and one in Melke Formation. One FMT run was performed in the Rogn and Melke sandstone sections. The FMT log was run with sample chambers to collect a sample of the formation fluid if possible. All the pressure points showed tight formation. The well was permanently abandoned on 17 October 1995 as a dry 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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