31/1-1

Exploration · Wildcat · P&A · Dry · Marathon Petroleum Norge AS · PL 311

The lithostratigraphic units 31/1-1 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	—	366	840
Utsira Fm	Formation	Nordland Gp	821.5	840
Hordaland Gp	Group	—	840	1,669.5
Rogaland Gp	Group	—	1,669.5	1,993
Balder Fm	Formation	Rogaland Gp	1,669.5	1,736
Sele Fm	Formation	Rogaland Gp	1,736	1,802.5
Lista Fm	Formation	Rogaland Gp	1,802.5	1,993
Shetland Gp	Group	—	1,993	2,040
Jorsalfare Fm	Formation	Shetland Gp	1,993	2,040
Cromer Knoll Gp	Group	—	2,040	2,051
Viking Gp	Group	—	2,051	2,414.5
Draupne Fm	Formation	Viking Gp	2,051	2,055
Sognefjord Fm	Formation	Viking Gp	2,055	2,068
Heather Fm	Formation	Viking Gp	2,068	2,414.5
Brent Gp	Group	—	2,414.5	2,633.5
Tarbert Fm	Formation	Brent Gp	2,414.5	2,449.5
Ness Fm	Formation	Brent Gp	2,449.5	2,514
Etive Fm	Formation	Brent Gp	2,514	2,564
Rannoch Fm	Formation	Brent Gp	2,564	2,633.5
Dunlin Gp	Group	—	2,633.5	2,881.5
Drake Fm	Formation	Dunlin Gp	2,633.5	2,690.5
Cook Fm	Formation	Dunlin Gp	2,690.5	2,767
Amundsen Fm	Formation	Dunlin Gp	2,767	2,786.5
Johansen Fm	Formation	Dunlin Gp	2,786.5	2,881.5
Statfjord Gp	Group	—	2,881.5	2,920

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/5765, documented in the API reference.