31/4-6

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

The lithostratigraphic units 31/4-6 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	—	155	854
Utsira Fm	Formation	Nordland Gp	676	854
Hordaland Gp	Group	—	854	1,810
Rogaland Gp	Group	—	1,810	2,061
Balder Fm	Formation	Rogaland Gp	1,810	1,876
Sele Fm	Formation	Rogaland Gp	1,876	1,911
Lista Fm	Formation	Rogaland Gp	1,911	2,061
Shetland Gp	Group	—	2,061	2,109
Cromer Knoll Gp	Group	—	2,109	2,122.5
Viking Gp	Group	—	2,122.5	2,317.5
Draupne Fm	Formation	Viking Gp	2,122.5	2,135.5
Heather Fm	Formation	Viking Gp	2,135.5	2,150
Fensfjord Fm	Formation	Viking Gp	2,150	2,317.5
Brent Gp	Group	—	2,317.5	2,380
Ness Fm	Formation	Brent Gp	2,317.5	2,356
Etive Fm	Formation	Brent Gp	2,356	2,380
Dunlin Gp	Group	—	2,380	2,447
Drake Fm	Formation	Dunlin Gp	2,380	2,447

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 · 193 KB
Completion logpdf · 2.1 MB
Completion report and logpdf · 12.8 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/43, documented in the API reference.