30/9-1

Exploration · Appraisal · P&A · Oil · Norsk Hydro Produksjon AS · Oseberg · PL 079

The lithostratigraphic units 30/9-1 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	—	131	880
Utsira Fm	Formation	Nordland Gp	645	880
Hordaland Gp	Group	—	880	1,988.5
Rogaland Gp	Group	—	1,988.5	2,281
Balder Fm	Formation	Rogaland Gp	1,988.5	2,072
Sele Fm	Formation	Rogaland Gp	2,072	2,158
Lista Fm	Formation	Rogaland Gp	2,158	2,270
Maureen Fm	Formation	Rogaland Gp	2,270	2,281
Shetland Gp	Group	—	2,281	2,415
Cromer Knoll Gp	Group	—	2,415	2,424.5
Viking Gp	Group	—	2,424.5	2,685
Draupne Fm	Formation	Viking Gp	2,424.5	2,470
Heather Fm	Formation	Viking Gp	2,470	2,685
Brent Gp	Group	—	2,685	2,783
Ness Fm	Formation	Brent Gp	2,685	2,735
Etive Fm	Formation	Brent Gp	2,735	2,783
Dunlin Gp	Group	—	2,783	2,895
Drake Fm	Formation	Dunlin Gp	2,783	2,895

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 · 296 KB
Completion logpdf · 4.3 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/65, documented in the API reference.