25/5-4

Exploration · Wildcat · P&A · Gas/condensate · Elf Petroleum Norge AS · Skirne · PL 102

The lithostratigraphic units 25/5-4 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	—	145	1,057
Utsira Fm	Formation	Nordland Gp	453	1,057
Hordaland Gp	Group	—	1,057	2,111
Skade Fm	Formation	Hordaland Gp	1,255	1,267
No Formal Name	Formation	—	1,267	1,356.5
Grid Fm	Formation	Hordaland Gp	1,356.5	1,386.5
No Formal Name	Formation	—	1,386.5	2,111
Rogaland Gp	Group	—	2,111	2,559
Balder Fm	Formation	Rogaland Gp	2,111	2,142
Sele Fm	Formation	Rogaland Gp	2,142	2,176
Lista Fm	Formation	Rogaland Gp	2,176	2,251
Heimdal Fm	Formation	Rogaland Gp	2,251	2,340
Lista Fm	Formation	Rogaland Gp	2,340	2,377
Våle Fm	Formation	Rogaland Gp	2,377	2,434
Ty Fm	Formation	Rogaland Gp	2,434	2,559
Shetland Gp	Group	—	2,559	2,775
Hardråde Fm	Formation	Shetland Gp	2,559	2,762
Kyrre Fm	Formation	Shetland Gp	2,762	2,775
Cromer Knoll Gp	Group	—	2,775	2,783
Åsgard Fm	Formation	Cromer Knoll Gp	2,775	2,783
Viking Gp	Group	—	2,783	2,894.5
Draupne Fm	Formation	Viking Gp	2,783	2,860
Heather Fm	Formation	Viking Gp	2,860	2,894.5
Vestland Gp	Group	—	2,894.5	2,941
Hugin Fm	Formation	Vestland Gp	2,894.5	2,919.5
Sleipner Fm	Formation	Vestland Gp	2,919.5	2,941
Dunlin Gp	Group	—	2,941	3,052
Burton Fm	Formation	Dunlin Gp	2,941	3,052
Statfjord Gp	Group	—	3,052	3,185

Core cut in each unit

METRES CORED · AS THE DIRECTORATE FILES IT

The cores themselves, with their intervals →

Biostratigraphy reports and logs behind the picks

WDSS completion logpdf · 192 KB
Completion report and logpdf · 9.3 MB

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/1691, documented in the API reference.