25/11-21 A

Exploration · Appraisal · Re-class to test · Oil · Norsk Hydro Produksjon AS · Grane · PL 169

The lithostratigraphic units 25/11-21 A 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	—	155	796
No Formal Name	Formation	—	720	796
Hordaland Gp	Group	—	796	1,735.5
Skade Fm	Formation	Hordaland Gp	796	905
No Formal Name	Formation	—	905	925
Skade Fm	Formation	Hordaland Gp	925	944
No Formal Name	Formation	—	944	955
Skade Fm	Formation	Hordaland Gp	955	978
No Formal Name	Formation	—	978	1,000
Skade Fm	Formation	Hordaland Gp	1,000	1,028
No Formal Name	Formation	—	1,028	1,074
Skade Fm	Formation	Hordaland Gp	1,074	1,087
No Formal Name	Formation	—	1,087	1,102
Skade Fm	Formation	Hordaland Gp	1,102	1,115
No Formal Name	Formation	—	1,115	1,221
Skade Fm	Formation	Hordaland Gp	1,221	1,230
No Formal Name	Formation	—	1,230	1,735.5
Rogaland Gp	Group	—	1,735.5	3,006
Balder Fm	Formation	Rogaland Gp	1,735.5	1,745
Sele Fm	Formation	Rogaland Gp	1,745	1,756.5
Lista Fm	Formation	Rogaland Gp	1,756.5	1,837.5
Heimdal Fm	Formation	Rogaland Gp	1,837.5	2,627.5
Lista Fm	Formation	Rogaland Gp	2,627.5	2,630
Heimdal Fm	Formation	Rogaland Gp	2,630	2,633
Lista Fm	Formation	Rogaland Gp	2,633	2,640
Heimdal Fm	Formation	Rogaland Gp	2,640	2,645
Lista Fm	Formation	Rogaland Gp	2,645	2,652
Heimdal Fm	Formation	Rogaland Gp	2,652	2,710
Lista Fm	Formation	Rogaland Gp	2,710	2,713
Heimdal Fm	Formation	Rogaland Gp	2,713	2,967.5
Lista Fm	Formation	Rogaland Gp	2,967.5	3,006

Biostratigraphy reports and logs behind the picks

Composite logpdf · 421 KB
Completion report and completion logpdf · 7.1 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/2812, documented in the API reference.