31/6-2 R

Exploration · Appraisal · P&A · Gas · Den norske stats oljeselskap a.s · Troll · PL 085

The lithostratigraphic units 31/6-2 R 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	—	326	505
Hordaland Gp	Group	—	505	626
Rogaland Gp	Group	—	626	968
Balder Fm	Formation	Rogaland Gp	626	776
Sele Fm	Formation	Rogaland Gp	776	885
Lista Fm	Formation	Rogaland Gp	885	968
Shetland Gp	Group	—	968	1,128
Hardråde Fm	Formation	Shetland Gp	968	978
Undifferentiated	Formation	—	978	1,128
Cromer Knoll Gp	Group	—	1,128	1,322
Rødby Fm	Formation	Cromer Knoll Gp	1,128	1,223
Åsgard Fm	Formation	Cromer Knoll Gp	1,223	1,322
Viking Gp	Group	—	1,322	1,931
Draupne Fm	Formation	Viking Gp	1,322	1,435
Heather Fm	Formation	Viking Gp	1,435	1,460
Sognefjord Fm	Formation	Viking Gp	1,460	1,625
Heather Fm	Formation	Viking Gp	1,625	1,642
Fensfjord Fm	Formation	Viking Gp	1,642	1,875
Krossfjord Fm	Formation	Viking Gp	1,875	1,910
Heather Fm	Formation	Viking Gp	1,910	1,931
Brent Gp	Group	—	1,931	1,975
Dunlin Gp	Group	—	1,975	2,164
Drake Fm	Formation	Dunlin Gp	1,975	2,055
Johansen Fm	Formation	Dunlin Gp	2,055	2,138
Amundsen Fm	Formation	Dunlin Gp	2,138	2,164
Statfjord Gp	Group	—	2,164	2,198
Hegre Gp	Group	—	2,198	2,235

Biostratigraphy reports and logs behind the picks

Composite logpdf · 415 KB

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/498, documented in the API reference.