NORWAY · WELLBORES · NPDID 518

7/12-4 R

Exploration · Appraisal · P&A · Oil · BP Norway Limited U.A. · Ula · PL 019

1 document: reports, logs, and plots →

7/12-4 R is an appraisal exploration wellbore in the North Sea, drilled by BP Norway Limited U.A., entered Mar 16, 1984, to 3,623 m in the Bryne Fm.

Discovery 7/12-2 Ula · On the map →

3,623
m total depth · 3,623 m vertical
71
m water depth
Mar 16, 1984
entered · completed Mar 20, 1984
Bryne Fm
at total depth · Early Jurassic
—
m of core
—
°C bottom-hole temperature

SODIR FACTPAGES · RECORD UPDATED FEB 20, 2026 · RELEASED MAR 20, 1986

On file for this wellbore

What the Directorate holds from this wellbore. Each opens the section that lists it.

Drilling

Drilling facility
DYVI ALPHA · Semisub steel
Drilling days
5
Kelly bushing elevation
25 m
Maximum inclination
1.89999998°
Drilling permit
183-L2
Licensing round
1-A
Plugged and abandoned
Mar 20, 1984
Core samples available
No
Cuttings samples available
No
Position · ED50
57.09352° N, 2.86027° E
Hydrocarbons in
Ula Fm · Late Jurassic

Well history

WRITTEN BY THE NORWEGIAN OFFSHORE DIRECTORATE

General

Well 7/12-4 R is a re-entry of well appraisal well 7/12-4 on the Ula Field. Well 7/12-4 proved oil in the eastern flank of the Ula structure and was suspended as a possible producer. The purpose of the re-entry was permanent plugging and abandonment.

Operations and results

Well 7/12-4 was re-entered using the was spudded with the semi-submersible installation Dyvi Alpha on 16 March 1984

The well was plugged and permanently abandoned on 20 March 1986.

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.

Developers: this page as JSON is GET /v1/data/norway/wells/518, documented in the API reference.