NORWAY · WELLBORES · NPDID 3067
16/7-6
Exploration · Wildcat · P&A · Dry · Esso Exploration and Production Norway A/S · PL 072
16/7-6 is a wildcat exploration wellbore in the North Sea, drilled by Esso Exploration and Production Norway A/S, entered Jun 27, 1997, to 2,725 m in the Skagerrak Fm.
- 2,725
- m total depth · 2,725 m vertical
- 78
- m water depth
- Jun 27, 1997
- entered · completed Jul 24, 1997
- Skagerrak Fm
- at total depth · Triassic
- 63.4
- m of core in 2 cores
- 105
- °C bottom-hole temperature
SODIR FACTPAGES · RECORD UPDATED MAR 1, 2026 · RELEASED JUL 24, 1999
On file for this wellbore
What the Directorate holds from this wellbore. Each opens the section that lists it.
Drilling
- Drilling facility
- STENA DEE · Semisub steel
- Drilling days
- 28
- Kelly bushing elevation
- 25 m
- Maximum inclination
- 2.38000011°
- Drilling permit
- 882-L
- Licensing round
- 6
- Plugged and abandoned
- —
- Core samples available
- Yes
- Cuttings samples available
- Yes
- Position · ED50
- 58.26090° N, 2.04334° E
Well history
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
General
Wildcat well 16/7-6 is located ca 2 km south of the Sigyn Field. It was drilled to test the A-South prospect at Triassic level.
Operations and results
Well 16/7-6 was spudded with the semi-submersible installation Stena Dee on 27 June 1997 and drilled to TD at 2725 m in the Triassic Skagerrak Formation. A 36" hole was drilled from 103 - 178 m. The 30" casing was set at 176.5 m. A 9 7/8" pilot hole was drilled to 1160 m. No shallow gas was observed. The hole was opened up to 17 1/2" down to 1160 m and the 13 3/8" casing was set at 1153 m. The well was drilled with seawater down to 176.5 m and with Ancotec oil based mud from 1176.5 m to TD.
The well encountered the Skagerrak Formation sands at 2564 m. A total of 140.5 m of these sands were drilled before the well was terminated at 2725 m. Of this, petrophysical evaluation gave 134.4 m net sand with 20.3 % average porosity. The entire reservoir was water bearing. No shows were reported from any section of the well.
Two cores were cut from 2562 to 2626 m in the Skagerrak Formation. Seven MDT water samples were taken at 2621.6 m.
The well was permanently abandoned on 24 July 1997 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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