25/4-10 S

Exploration · Wildcat · P&A · Oil · Marathon Petroleum Norge AS · Alvheim · PL 203

The lithostratigraphic units 25/4-10 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	—	149	706
Utsira Fm	Formation	Nordland Gp	429	706
Hordaland Gp	Group	—	706	2,455
Grid Fm	Formation	Hordaland Gp	1,331	1,527
No Formal Name	Formation	—	1,527	2,455
Rogaland Gp	Group	—	2,455	2,912
Balder Fm	Formation	Rogaland Gp	2,455	2,656
Sele Fm	Formation	Rogaland Gp	2,656	2,671
Hermod Fm	Formation	Rogaland Gp	2,671	2,698
No Formal Name	Formation	—	2,698	2,739
Lista Fm	Formation	Rogaland Gp	2,739	2,844
Heimdal Fm	Formation	Rogaland Gp	2,844	2,912

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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