Well Data Manager / Well Summary / 21/03b- 5

21/03b- 5

Decommissioned

Well Header

Well No
21/03b- 5
NSTA DEN No
5950
Well Name
--
Drill Seq No
5
Quadrant / Block
21 / 3 b
Surface Location
57.870370, 0.413088
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Original Operator
--
Sub Area Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Licence No
P741
Licence Type
Production
Spud Date
1996-10-08
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/03b- 5 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
22.860
Ground Elev (m)
--
Water Depth (m)
108.81
TD MD (m)
3730.752
TD TVDSS (m)
3662.410
TD Datum Depth (m)
22.860
TD Datum Type
Kelly Bushing
Spud Date
1996-10-08
TD Reached
1996-11-06
Completion Date
1996-11-21
Release Date
2000-11-21

Formation Tops (20)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/03b- 5 Horda Cenozoic 1313.000 1290.059 Lloyds Register
Stronsay Cenozoic 1313.000 1290.059 Lloyds Register
Balder Tuff Cenozoic 1711.000 1688.052 Lloyds Register
Balder Cenozoic 1711.000 1688.052 Lloyds Register
Moray Mesozoic 1711.000 1688.052 Lloyds Register
Sele Mesozoic 1756.000 1733.050 Lloyds Register
Cromarty Sandstone Cenozoic 1770.000 1747.049 Lloyds Register
Forties Sandstone Mesozoic 1833.000 1810.044 Lloyds Register
Lista Mesozoic 2027.000 2004.039 Lloyds Register
Balmoral Sandstone Cenozoic 2027.000 2004.039 Lloyds Register
Montrose Mesozoic 2027.000 2004.039 Lloyds Register
Glamis Tuff 2250.000 2225.338 Lloyds Register
Andrew Sandstone Cenozoic 2300.000 2273.687 Lloyds Register
Maureen Mesozoic 2469.000 2433.968 Lloyds Register
Ekofisk Mesozoic 2597.000 2555.176 Lloyds Register
Chalk Mesozoic 2597.000 2555.176 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2654.000 2609.391 Lloyds Register
Cromer Knoll Mesozoic 3306.000 3245.917 Lloyds Register
Valhall Mesozoic 3306.000 3245.917 Lloyds Register
Britannia Sandstone Mesozoic 3466.000 3402.434 Lloyds Register

Lithology Intervals

21/03b- 5 Curve: SANDCOUNT 109 intervals  ·  MD 1769.974 – 3719.932 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (100)
Limestone (9)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/03b- 5 5 9 6 34 20 1 0 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/03b- 5 Cuttings 1008.89 3730.75 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/03b- 5 128.62559509277344 3727.7041015625 8 0 2026-08-06 17:21:13.777423+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/03b- 5
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density ZDEN CGG Digital Well Logs 3048.0 3706.6728000000003 4301
caliper CALY CGG Digital Well Logs 3367.4304 3514.6488000000004 896
caliper CALX CGG Digital Well Logs 3059.2776000000003 3727.704 4387
comp_sonic DT CGG Digital Well Logs 994.2576 3719.0172000000002 17804
density_correction ZCOR CGG Digital Well Logs 3048.0 3706.0632 4297
gamma_ray GR CGG Digital Well Logs 128.62560000000002 3720.0840000000003 23564
micro_resistivity RMLL CGG Digital Well Logs 3398.3676 3513.1248 754
neutron_por CNC CGG Digital Well Logs 3367.5828 3701.1864 2180
pef PE CGG Digital Well Logs 3048.0 3706.6728000000003 4301

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/03b- 5 110 3730.752 3662.421 D:\BigSpatial\nsta_raw\CGG_Deviation\21-3b-5 24692cm-CGG-deviation.xls

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