NORWAY · WELLBORES · NPDID 5441
16/4-4
Exploration · Wildcat · P&A · Gas/condensate · Statoil ASA (old) · PL 339
16/4-4 is a wildcat exploration wellbore in the North Sea, drilled by Statoil ASA (old), entered Dec 28, 2006, to 2,409 m in the Tor Fm.
Discovery 16/4-4 (Biotitt) · On the map →
- 2,409
- m total depth · 2,409 m vertical
- 91
- m water depth
- Dec 28, 2006
- entered · completed Mar 23, 2007
- Tor Fm
- at total depth · Late Cretaceous
- 26.5
- m of core in 1 core
- 91
- °C bottom-hole temperature
SODIR FACTPAGES · RECORD UPDATED FEB 20, 2026 · RELEASED MAR 23, 2009
On file for this wellbore
What the Directorate holds from this wellbore. Each opens the section that lists it.
Drilling
- Drilling facility
- WEST EPSILON · Jack-up 3 legs
- Drilling days
- 86
- Kelly bushing elevation
- 49 m
- Maximum inclination
- 1.79999995°
- Drilling permit
- 1126-L
- Licensing round
- TFO2004
- Plugged and abandoned
- —
- Core samples available
- Yes
- Cuttings samples available
- Yes
- Position · ED50
- 58.53000° N, 2.14994° E
- Hydrocarbons in
- Ty Fm · Paleocene
Well history
WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE
General
Well 16/4-4 was drilled on the south-west part of the Utsira High in the Norwegian North Sea. The objective of the well was to prove hydrocarbons in the Ty/Heimdal Paleocene turbidite sandstones in the Biotitt prospect. It was important to acquire sufficient data to understand the reservoir characteristics and fluid distribution.
Operations and results
Wildcat well 16/4-4 was spudded with the jack-up installation West Epsilon on 28 December 2006 and drilled to TD at 2409 m at the top of the Late Cretaceous Tor Formation. The well was drilled with seawater/bentonite/polymer mud from down to 1213 m, and with KCl/PAC/GEM GP mud from 1226 m to TD. No shallow gas was observed.
The well penetrated rocks of Quaternary, Tertiary and Cretaceous age. The Ty reservoir section was encountered at 2271 m, 12 m deeper than prognosed. It was 79 m thick and consisted of fine to medium sandstone with claystone and limestone. The Heimdal Formation was not present in the well. The pressure tests indicated an approximately 7 m thick gas/condensate column in the upper part of the Ty Formation. There were no hydrocarbon indications elsewhere in the well.
One core was cut from 2275 m to 2302 m in the Ty Formation. Twenty excellent MDT pressure tests were acquired together with MDT water samples at 2284.9 m and MDT condensate samples at 2272.5 m.
The well was permanently abandoned on 23 March 2003 as a gas/condensate discovery.
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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