30/9-12

Exploration · Appraisal · P&A · Oil · Norsk Hydro Produksjon AS · Oseberg · PL 104

The lithostratigraphic units 30/9-12 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	—	129	842
Utsira Fm	Formation	Nordland Gp	676	842
Hordaland Gp	Group	—	842	2,018.5
Skade Fm	Formation	Hordaland Gp	980	1,012
No Formal Name	Formation	—	1,012	1,350
Grid Fm	Formation	Hordaland Gp	1,350	1,380
No Formal Name	Formation	—	1,380	2,018.5
Rogaland Gp	Group	—	2,018.5	2,325
Balder Fm	Formation	Rogaland Gp	2,018.5	2,083
Sele Fm	Formation	Rogaland Gp	2,083	2,247
Lista Fm	Formation	Rogaland Gp	2,247	2,317
Våle Fm	Formation	Rogaland Gp	2,317	2,325
Shetland Gp	Group	—	2,325	2,523
Hardråde Fm	Formation	Shetland Gp	2,325	2,523
Cromer Knoll Gp	Group	—	2,523	2,563
Rødby Fm	Formation	Cromer Knoll Gp	2,523	2,542.5
Sola Fm	Formation	Cromer Knoll Gp	2,542.5	2,545
Mime Fm	Formation	Cromer Knoll Gp	2,545	2,560
Åsgard Fm	Formation	Cromer Knoll Gp	2,560	2,563
Viking Gp	Group	—	2,563	2,660
Draupne Fm	Formation	Viking Gp	2,563	2,609
Heather Fm	Formation	Viking Gp	2,609	2,660
Brent Gp	Group	—	2,660	2,790.5
Tarbert Fm	Formation	Brent Gp	2,660	2,675.5
Ness Fm	Formation	Brent Gp	2,675.5	2,752
Undifferentiated	Formation	—	2,752	2,790.5
Dunlin Gp	Group	—	2,790.5	2,994
Drake Fm	Formation	Dunlin Gp	2,790.5	2,944
Cook Fm	Formation	Dunlin Gp	2,944	2,994

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

Composite logpdf · 404 KB
WDSS completion logpdf · 189 KB
Completion report and logpdf · 11.6 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/1717, documented in the API reference.