Well Data Manager / Well Summary / 21/27b- 7

21/27b- 7

Decommissioned

Well Header

Well No
21/27b- 7
NSTA DEN No
22486
Well Name
--
Drill Seq No
7
Quadrant / Block
21 / 27 b
Surface Location
57.145641, 0.337053
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
WALDORF CNS (II) LIMITED
Original Operator
--
Sub Area Operator
WALDORF CNS (II) LIMITED
Licence No
P1619
Licence Type
Production
Spud Date
2010-07-24
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/27b- 7 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
74.37
TD MD (m)
1357.884
TD TVDSS (m)
1332.890
TD Datum Depth (m)
24.994
TD Datum Type
Rotary Table
Spud Date
2010-07-24
TD Reached
2010-08-02
Completion Date
2010-08-07
Release Date
2013-08-07

Formation Tops (9)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/27b- 7 Nordland Cenozoic 99.000 74.006 BGS LithoStrat Upper
Lark Formation Cenozoic 724.000 698.980 BGS LithoStrat Upper
Horda Formation Cenozoic 963.000 937.974 BGS LithoStrat Upper
Tay Sands 1020.000 994.974 BGS LithoStrat Upper
Horda Formation Cenozoic 1065.000 1039.973 BGS LithoStrat Upper
Balder Cenozoic 1146.000 1120.972 BGS LithoStrat Upper
Sele Mesozoic 1164.000 1138.972 BGS LithoStrat Upper
Lista Mesozoic 1201.000 1175.972 BGS LithoStrat Upper
Ekofisk Mesozoic 1314.000 1288.972 BGS LithoStrat Upper

Lithology Intervals

No lithology intervals ingested for this well.

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/27b- 7 0 0 0 9 9 1 0 0 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (0)

No cuttings, core, or plug samples recorded for this well.

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/27b- 7 92.2020034790039 1354.2264404296875 9 0 2026-08-06 17:29:01.3246+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/27b- 7
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOZ CGG Digital Well Logs 859.2312000000001 1326.4896 3067
caliper HCAL CGG Digital Well Logs 851.0016 1328.928 3137
comp_sonic DT4P CGG Digital Well Logs 851.6112 1345.3872000000001 3241
density_correction HDRA CGG Digital Well Logs 859.2312000000001 1326.4896 3067
gamma_ray HSGR CGG Digital Well Logs 835.7616 1322.832 3197
gamma_ray GR CGG Digital Well Logs 92.202 1322.2224 8072
gamma_ray HCGR CGG Digital Well Logs 835.7616 1322.832 3197
neutron_por TNPH CGG Digital Well Logs 859.2312000000001 1327.7088 3075
pef PEFZ CGG Digital Well Logs 858.3168000000001 1326.4896 3073
rxo_resistivity RXOZ CGG Digital Well Logs 851.154 1326.4896 3120
shear_sonic DT4S CGG Digital Well Logs 94.7928 1345.3872000000001 1397
sp SP CGG Digital Well Logs 851.0016 1354.2264 3303

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/27b- 7 46 1357.884 1332.856 D:\BigSpatial\nsta_raw\CGG_Deviation\21-27b-7 500755ft_CGG-Deviation.xlsx

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