31/4-10

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

The lithostratigraphic units 31/4-10 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	—	256	836
Utsira Fm	Formation	Nordland Gp	742	836
Hordaland Gp	Group	—	836	1,681
Rogaland Gp	Group	—	1,681	1,944
Balder Fm	Formation	Rogaland Gp	1,681	1,742
Sele Fm	Formation	Rogaland Gp	1,742	1,774
Lista Fm	Formation	Rogaland Gp	1,774	1,944
Shetland Gp	Group	—	1,944	1,990.5
Cromer Knoll Gp	Group	—	1,990.5	2,004.5
Viking Gp	Group	—	2,004.5	2,350
Draupne Fm	Formation	Viking Gp	2,004.5	2,025
Sognefjord Fm	Formation	Viking Gp	2,025	2,097.5
Heather Fm	Formation	Viking Gp	2,097.5	2,167.5
Fensfjord Fm	Formation	Viking Gp	2,167.5	2,217.5
Heather Fm	Formation	Viking Gp	2,217.5	2,269.5
Krossfjord Fm	Formation	Viking Gp	2,269.5	2,277.5
Heather Fm	Formation	Viking Gp	2,277.5	2,350

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

Completion report and logpdf · 13.1 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/2617, documented in the API reference.