35/11-21 A

Exploration · Appraisal · P&A · Oil/gas · Wellesley Petroleum AS · PL 248 I

The lithostratigraphic units 35/11-21 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	—	384	719.8
No Formal Name	Formation	—	384	578.9
Utsira Fm	Formation	Nordland Gp	578.9	719.8
Hordaland Gp	Group	—	719.8	1,399
No Formal Name	Formation	—	719.8	1,145
No Formal Name	Formation	—	1,145	1,399
Rogaland Gp	Group	—	1,399	2,055.1
Balder Fm	Formation	Rogaland Gp	1,399	1,512.9
Sele Fm	Formation	Rogaland Gp	1,512.9	1,744.8
Lista Fm	Formation	Rogaland Gp	1,744.8	1,768.5
No Formal Name	Formation	—	1,768.5	1,821.4
Lista Fm	Formation	Rogaland Gp	1,821.4	1,843
No Formal Name	Formation	—	1,843	1,849.4
Lista Fm	Formation	Rogaland Gp	1,849.4	1,904.1
No Formal Name	Formation	—	1,904.1	1,925.3
Lista Fm	Formation	Rogaland Gp	1,925.3	2,019.1
Våle Fm	Formation	Rogaland Gp	2,019.1	2,055.1
Shetland Gp	Group	—	2,055.1	2,264
Jorsalfare Fm	Formation	Shetland Gp	2,055.1	2,126.5
Kyrre Fm	Formation	Shetland Gp	2,126.5	2,264
Viking Gp	Group	—	2,264	2,724.9
Heather Fm	Formation	Viking Gp	2,264	2,281
Sognefjord Fm	Formation	Viking Gp	2,281	2,319.5
Heather Fm	Formation	Viking Gp	2,319.5	2,389
Fensfjord Fm	Formation	Viking Gp	2,389	2,467.3
Heather Fm	Formation	Viking Gp	2,467.3	2,518.6
Intra Heather Fm Ss	Formation	Viking Gp	2,518.6	2,542.5
Heather Fm	Formation	Viking Gp	2,542.5	2,724.9
Brent Gp	Group	—	2,724.9	2,874
Ness Fm	Formation	Brent Gp	2,724.9	2,791.5
Etive Fm	Formation	Brent Gp	2,791.5	2,809.4
Rannoch Fm	Formation	Brent Gp	2,809.4	2,847.2
Oseberg Fm	Formation	Brent Gp	2,847.2	2,874
Dunlin Gp	Group	—	2,874	2,931
Drake Fm	Formation	Dunlin Gp	2,874	2,896.7
Cook Fm	Formation	Dunlin Gp	2,896.7	2,931

Core cut in each unit

METRES CORED · AS THE DIRECTORATE FILES IT

The cores themselves, with their intervals →

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/8549, documented in the API reference.