NORWAY · WELLBORES · NPDID 9277

25/8-20 B

Exploration · Wildcat · P&A · Oil/gas · Vår Energi AS · Balder · PL 027

The lithostratigraphic units 25/8-20 B 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

UnitLevelPart ofTop, mBase, m
Nordland GpGroup—163737.2
Utsira FmFormationNordland Gp532.8613
Naust FmFormationNordland Gp613737.2
Hordaland GpGroup—737.21,839.8
Skade FmFormationHordaland Gp737.21,003.9
No Formal NameFormation—1,003.91,185
Grid FmFormationHordaland Gp1,1851,215
UndifferentiatedFormation—1,2151,839.8
Rogaland GpGroup—1,839.82,220.6
Balder FmFormationRogaland Gp1,839.81,934.8
Sele FmFormationRogaland Gp1,934.81,980
Hermod FmFormationRogaland Gp1,9802,025.1
Sele FmFormationRogaland Gp2,025.12,062.6
Lista FmFormationRogaland Gp2,062.62,103.6
Heimdal FmFormationRogaland Gp2,103.62,129.1
Lista FmFormationRogaland Gp2,129.12,179.7
Ty FmFormationRogaland Gp2,179.72,191.1
Våle FmFormationRogaland Gp2,191.12,209.6
Ty FmFormationRogaland Gp2,209.62,220.6
Shetland GpGroup—2,220.62,240.7
Cromer Knoll GpGroup—2,240.72,249.7
Vestland GpGroup—2,249.72,276.2
Statfjord GpGroup—2,276.22,437.5
Hegre GpGroup—2,437.52,698
Skagerrak FmFormationHegre Gp2,437.52,698

Core cut in each unit

METRES CORED · AS THE DIRECTORATE FILES IT

The cores themselves, with their intervals →

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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