NORWAY · WELLBORES · NPDID 7697
6507/11-11
Exploration · Wildcat · P&A · Dry · Tullow Oil Norge AS · PL 591
6507/11-11 is a wildcat exploration wellbore in the Norwegian Sea, drilled by Tullow Oil Norge AS, entered May 27, 2015, to 2,900 m in the Not Fm.
- 2,900
- m total depth · 2,900 m vertical
- 271
- m water depth
- May 27, 2015
- entered · completed Jul 1, 2015
- Not Fm
- at total depth · Middle Jurassic
- —
- m of core
- —
- °C bottom-hole temperature
SODIR FACTPAGES · RECORD UPDATED FEB 20, 2026 · RELEASED JUL 1, 2017
On file for this wellbore
What the Directorate holds from this wellbore. Each opens the section that lists it.
Drilling
- Drilling facility
- LEIV EIRIKSSON · Semisub steel
- Drilling days
- 36
- Kelly bushing elevation
- 25 m
- Maximum inclination
- 2.29999995°
- Drilling permit
- 1574-L
- Licensing round
- TFO2010
- Plugged and abandoned
- —
- Core samples available
- Yes
- Cuttings samples available
- Yes
- Position · ED50
- 65.23775° N, 7.51094° E
Well history
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
General
Well 6507/11-11 was drilled to test the Zumba prospect in the Grinda Graben in the Norwegian Sea. The primary objective was to test the hydrocarbon potential in the Late Jurassic Rogn Formation. The secondary objective was to prove petroleum in the Middle Jurassic Garn formation.
Operations and results
Wildcat well 6507/11-11 was spudded with the semi-submersible installation Leiv Eiriksson on 27 May 2015 and drilled to TD at 2900 m in the Middle Jurassic Not Formation. Pilot holes were drilled in the top sections down to 501 m to check for shallow gas. No shallow gas was observed. No significant problem was encountered in the operations. The well was drilled with KCl/polymer mud down to 504 m and with EMS-4400 oil based mud from 504 m to TD.
The Spekk Formation was penetrated from 2604 to 2713 m. It consisted of carbonaceous claystone with limestone stringers. Geochemical analyses proved 7-10% TOC and pre-oil window maturity all through. The target Rogn Formation sandstone was not observed, only traces of sandstone was observed in cuttings below 2695 m. The Garn Formation came in at 2845 m and was water-wet. No hydrocarbon shows were observed in the well.
No cores were cut. No fluid sample was taken.
The well was permanently abandoned on 1 July as a dry well.
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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