31/4-2

Exploration · Wildcat · P&A · Oil · Norsk Hydro Produksjon AS · PL 055

10 documents: reports, logs, and plots →

The lithostratigraphic units 31/4-2 drilled through, shallowest first, with the depth each was met and where it ended. Groups are in bold; the formations within them are indented.

Formation tops

LITHOSTRATIGRAPHY · METRES ALONG THE WELLBORE

Unit	Level	Part of	Top, m	Base, m
Nordland Gp	Group	—	167	994
Utsira Fm	Formation	Nordland Gp	707	994
Hordaland Gp	Group	—	994	1,793
Rogaland Gp	Group	—	1,793	2,043
Balder Fm	Formation	Rogaland Gp	1,793	1,858
Sele Fm	Formation	Rogaland Gp	1,858	1,893
Lista Fm	Formation	Rogaland Gp	1,893	2,043
Shetland Gp	Group	—	2,043	2,115
Cromer Knoll Gp	Group	—	2,115	2,146
Viking Gp	Group	—	2,146	2,325
Draupne Fm	Formation	Viking Gp	2,146	2,171
Heather Fm	Formation	Viking Gp	2,171	2,190
Fensfjord Fm	Formation	Viking Gp	2,190	2,325
Brent Gp	Group	—	2,325	2,354
Dunlin Gp	Group	—	2,354	2,632
Drake Fm	Formation	Dunlin Gp	2,354	2,479
Cook Fm	Formation	Dunlin Gp	2,479	2,533
Amundsen Fm	Formation	Dunlin Gp	2,533	2,632
Statfjord Gp	Group	—	2,632	2,786
Hegre Gp	Group	—	2,786	2,900

Core cut in each unit

METRES CORED · AS THE DIRECTORATE FILES IT

The cores themselves, with their intervals →

Biostratigraphy reports and logs behind the picks

WDSS completion logpdf · 175 KB
Completion report and logpdf · 12.3 MB

About this data

Norwegian Offshore Directorate (Sodir) FactPages, mirrored nightly and used under the Norwegian Licence for Open Government Data (NLOD). Tops are the Directorate's lithostratigraphy for the wellbore, in metres along the wellbore from the kelly bushing. A unit filed as No Formal Name or No Group Defined is the Directorate's placeholder where nothing is named.

Developers: this page as JSON is GET /v1/data/norway/wells/401, documented in the API reference.