31/11-1 S

Exploration · Wildcat · P&A · Dry · Equinor Energy AS · PL 785 S

The lithostratigraphic units 31/11-1 S 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	—	319	692
Naust Fm	Formation	Nordland Gp	319	692
Hordaland Gp	Group	—	692	1,434
Undifferentiated	Formation	—	692	1,434
Rogaland Gp	Group	—	1,434	1,565
Balder Fm	Formation	Rogaland Gp	1,434	1,456
Sele Fm	Formation	Rogaland Gp	1,456	1,476
Lista Fm	Formation	Rogaland Gp	1,476	1,565
Shetland Gp	Group	—	1,565	1,673
Kyrre Fm	Formation	Shetland Gp	1,565	1,595
Tryggvason Fm	Formation	Shetland Gp	1,595	1,614
Blodøks Fm	Formation	Shetland Gp	1,614	1,628
Svarte Fm	Formation	Shetland Gp	1,628	1,673
Cromer Knoll Gp	Group	—	1,673	2,191
Rødby Fm	Formation	Cromer Knoll Gp	1,673	1,895
Sola Fm	Formation	Cromer Knoll Gp	1,895	1,942
Åsgard Fm	Formation	Cromer Knoll Gp	1,942	2,191
Viking Gp	Group	—	2,191	2,758
Draupne Fm	Formation	Viking Gp	2,191	2,313
Heather Fm	Formation	Viking Gp	2,313	2,317
Sognefjord Fm	Formation	Viking Gp	2,317	2,412
Heather Fm	Formation	Viking Gp	2,412	2,615
Fensfjord Fm	Formation	Viking Gp	2,615	2,678
Krossfjord Fm	Formation	Viking Gp	2,678	2,721
Heather Fm	Formation	Viking Gp	2,721	2,758
Brent Gp	Group	—	2,758	2,827
Rannoch Fm	Formation	Brent Gp	2,758	2,827
Dunlin Gp	Group	—	2,827	3,008
Drake Fm	Formation	Dunlin Gp	2,827	2,898
Cook Fm	Formation	Dunlin Gp	2,898	2,906
Burton Fm	Formation	Dunlin Gp	2,906	2,929
Johansen Fm	Formation	Dunlin Gp	2,929	2,998
Amundsen Fm	Formation	Dunlin Gp	2,998	3,008
Statfjord Gp	Group	—	3,008	3,120
Nansen Fm	Formation	Statfjord Gp	3,008	3,043
Eiriksson Fm	Formation	Statfjord Gp	3,043	3,120
Hegre Gp	Group	—	3,120	3,284
Lunde Fm	Formation	Hegre Gp	3,120	3,284

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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