30/9-12 AR

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

The lithostratigraphic units 30/9-12 AR 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	—	133	846
Utsira Fm	Formation	Nordland Gp	650	846
Hordaland Gp	Group	—	846	2,092
Skade Fm	Formation	Hordaland Gp	984	1,016
No Formal Name	Formation	—	1,016	1,357
Grid Fm	Formation	Hordaland Gp	1,357	1,389
No Formal Name	Formation	—	1,389	2,092
Rogaland Gp	Group	—	2,092	2,426
Balder Fm	Formation	Rogaland Gp	2,092	2,181
Sele Fm	Formation	Rogaland Gp	2,181	2,343
Lista Fm	Formation	Rogaland Gp	2,343	2,421
Våle Fm	Formation	Rogaland Gp	2,421	2,426
Shetland Gp	Group	—	2,426	2,642
Hardråde Fm	Formation	Shetland Gp	2,426	2,642
Cromer Knoll Gp	Group	—	2,642	2,696
Rødby Fm	Formation	Cromer Knoll Gp	2,642	2,679
Sola Fm	Formation	Cromer Knoll Gp	2,679	2,680
Mime Fm	Formation	Cromer Knoll Gp	2,680	2,695
Åsgard Fm	Formation	Cromer Knoll Gp	2,695	2,696
Viking Gp	Group	—	2,696	2,873
Draupne Fm	Formation	Viking Gp	2,696	2,738
Heather Fm	Formation	Viking Gp	2,738	2,769
Intra Heather Fm Ss	Formation	Viking Gp	2,769	2,785
Heather Fm	Formation	Viking Gp	2,785	2,873
Brent Gp	Group	—	2,873	3,011
Tarbert Fm	Formation	Brent Gp	2,873	2,891
Ness Fm	Formation	Brent Gp	2,891	2,967
Undifferentiated	Formation	—	2,967	3,011
Dunlin Gp	Group	—	3,011	3,065
Drake Fm	Formation	Dunlin Gp	3,011	3,065

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/4584, documented in the API reference.