31/8-1

Exploration · Wildcat · P&A · Dry · E.ON Ruhrgas Norge AS · PL 416

The lithostratigraphic units 31/8-1 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	—	335.5	715
Hordaland Gp	Group	—	715	1,253
Rogaland Gp	Group	—	1,253	1,483
Balder Fm	Formation	Rogaland Gp	1,253	1,366
Sele Fm	Formation	Rogaland Gp	1,366	1,386
Lista Fm	Formation	Rogaland Gp	1,386	1,466
Våle Fm	Formation	Rogaland Gp	1,466	1,483
Shetland Gp	Group	—	1,483	1,599
Ekofisk Fm	Formation	Shetland Gp	1,483	1,494
Tryggvason Fm	Formation	Shetland Gp	1,494	1,527
Blodøks Fm	Formation	Shetland Gp	1,527	1,540
Svarte Fm	Formation	Shetland Gp	1,540	1,599
Cromer Knoll Gp	Group	—	1,599	1,999
Rødby Fm	Formation	Cromer Knoll Gp	1,599	1,673
Sola Fm	Formation	Cromer Knoll Gp	1,673	1,811
Åsgard Fm	Formation	Cromer Knoll Gp	1,811	1,999
Viking Gp	Group	—	1,999	2,629
Draupne Fm	Formation	Viking Gp	1,999	2,109
Heather Fm	Formation	Viking Gp	2,109	2,123
Sognefjord Fm	Formation	Viking Gp	2,123	2,366.5
Fensfjord Fm	Formation	Viking Gp	2,366.5	2,498
Krossfjord Fm	Formation	Viking Gp	2,498	2,629

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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