35/12-4 A

Exploration · Appraisal · P&A · Dry · Wintershall Norge ASA · PL 378

The lithostratigraphic units 35/12-4 A 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	—	389	650
Utsira Fm	Formation	Nordland Gp	538.5	643.5
No Formal Name	Formation	—	643.5	650
Hordaland Gp	Group	—	650	1,305
No Formal Name	Formation	—	650	798
No Formal Name	Formation	—	798	1,074
No Formal Name	Formation	—	1,074	1,305
Rogaland Gp	Group	—	1,305	2,037
Balder Fm	Formation	Rogaland Gp	1,305	1,367
Sele Fm	Formation	Rogaland Gp	1,367	1,431
Lista Fm	Formation	Rogaland Gp	1,431	1,585
No Formal Name	Formation	—	1,585	1,723
Lista Fm	Formation	Rogaland Gp	1,723	1,995
Våle Fm	Formation	Rogaland Gp	1,995	2,037
Shetland Gp	Group	—	2,037	2,836
Jorsalfare Fm	Formation	Shetland Gp	2,037	2,156
Kyrre Fm	Formation	Shetland Gp	2,156	2,792
Tryggvason Fm	Formation	Shetland Gp	2,792	2,836
Viking Gp	Group	—	2,836	3,230
Draupne Fm	Formation	Viking Gp	2,836	2,967
Heather Fm	Formation	Viking Gp	2,967	3,230
Brent Gp	Group	—	3,230	3,413
Ness Fm	Formation	Brent Gp	3,230	3,351
Etive Fm	Formation	Brent Gp	3,351	3,373
Rannoch Fm	Formation	Brent Gp	3,373	3,413

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.

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