NORWAY · WELLBORES · NPDID 8036
35/11-20 B
Exploration · Wildcat · P&A · Oil · Wintershall Norge AS · PL 248 F
35/11-20 B is a wildcat exploration wellbore in the North Sea, drilled by Wintershall Norge AS, entered Aug 7, 2016, to 5,114 m in the Statfjord Gp.
Discovery 35/11-20 B (Beaujolais) · On the map →
- 5,114
- m total depth · 4,087 m vertical
- 373
- m water depth
- Aug 7, 2016
- entered · completed Sep 15, 2016
- Statfjord Gp
- at total depth · Early Jurassic
- —
- m of core
- 147
- °C bottom-hole temperature
SODIR FACTPAGES · RECORD UPDATED FEB 20, 2026 · RELEASED SEP 15, 2018
On file for this wellbore
What the Directorate holds from this wellbore. Each opens the section that lists it.
Drilling
- Drilling facility
- BORGLAND DOLPHIN · Semisub steel
- Drilling days
- 39
- Kelly bushing elevation
- 31 m
- Maximum inclination
- 65°
- Drilling permit
- 1637-L
- Licensing round
- NST99
- Plugged and abandoned
- —
- Core samples available
- Yes
- Cuttings samples available
- Yes
- Position · ED50
- 61.22230° N, 3.44044° E
- Hydrocarbons in
- Sognefjord Fm · Late Jurassic
- Hydrocarbons in
- Tarbert Fm · Middle Jurassic
Well history
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
Wellbore history
General
Well 35/11-20 B is a geological sidetrack to well 35/11-20 S. Well 35/11-20 S and its' first sidetrack 35/11-20 A reached the Middle-Late Jurassic Heather Formation and proved oil in Oxfordian age Intra-Heather Formation sandstone (Orion prospect). The objective of sidetrack well 35/11-20 B was to further appraise and test the oil bearing Oxfordian aged Intra-Heather Formation sandstone as found in 35/11-20S & 20A. The exploration objective was to test HC potential of the Middle Jurassic Brent Group as well as the Early Jurassic Cook Formation.
Operations and results
Wildcat well 35/11-20 B was kicked off from the main bore (35/11-20S) at 1812 m in the Shetland Group on 7 August 2016. It was drilled with the semi-submersible installation Borgland Dolphin to TD at 5114 m (4087 m TVD) m in the Early Jurassic Statfjord Group. No significant problem was encountered in the operations. The well was drilled with Innovert oil based mud from kick-off to TD.
Well 35/11-20B encountered the Oxfordian sandstones with top at 4131 m (3223 m TVD). These sandstones are 36 m TVD thick and with lower reservoir quality compared to the 35/11-20 A sidetrack. The top 8 m TVD is oil bearing. Top Tarbert Formation was penetrated at 4596 m (3616 m TVD). The upper 10 m were oil-bearing with oil in a Down-To situation. These sandstones had moderate reservoir quality with an average porosity of 14%. The Ness, Etive and Oseberg reservoirs are of low to medium quality with an average porosity of 13 -15% and water wet with some residual hydrocarbons. The Cook Formation was of low quality and is believed to be wate
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.
Developers: this page as JSON is GET /v1/data/norway/wells/8036, documented in the API reference.