31/2-N-21 Y1H

Development · Production · Plugged · Oil · Norsk Hydro Produksjon AS · Troll · PL 054

31/2-N-21 Y1H is a production development wellbore in the North Sea, drilled by Norsk Hydro Produksjon AS, entered Mar 30, 2002, to 5,006 m.

Discovery 31/2-1 (Troll Vest) · On the map →

5,006: m total depth · 1,580 m vertical
348: m water depth
Mar 30, 2002: entered · completed May 13, 2002
—: at total depth
—: m of core
—: °C bottom-hole temperature

SODIR FACTPAGES · RECORD UPDATED SEP 2, 2026 · RELEASED MAY 13, 2004

On file for this wellbore

Nothing yet. The Directorate has no tops, samples, logs, or documents on file for this wellbore; material from a new well is released two years after completion.

Drilling

Drilling facility: MÆRSK JUTLANDER · Semisub steel
Drilling days: 45
Kelly bushing elevation: 23 m
Maximum inclination: —°
Drilling permit: 2095-P1
Licensing round: 4
Plugged and abandoned: Jun 14, 2014
Core samples available: No
Cuttings samples available: No
Position · ED50: 60.94631° N, 3.58029° E

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/4510, documented in the API reference.