Well Data Manager / Well Summary / 21/08- 1

21/08- 1

Decommissioned

Well Header

Well No
21/08- 1
NSTA DEN No
2500
Well Name
--
Drill Seq No
1
Quadrant / Block
21 / 8
Surface Location
57.743853, 0.438365
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
BRITOIL LIMITED
Original Operator
--
Sub Area Operator
BRITOIL LIMITED
Licence No
P59
Licence Type
Production
Spud Date
1984-09-21
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/08- 1 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
112.47
TD MD (m)
3265.627
TD TVDSS (m)
0.000
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1984-09-21
TD Reached
1984-11-08
Completion Date
1984-11-08
Release Date
1988-11-08

Formation Tops (25)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/08- 1 Horda Cenozoic 1436.000 1410.952 Lloyds Register
Stronsay Cenozoic 1436.000 1410.952 Lloyds Register
Balder Cenozoic 1786.000 1760.920 Lloyds Register
Balder Tuff Cenozoic 1786.000 1760.920 Lloyds Register
Moray Mesozoic 1786.000 1760.920 Lloyds Register
Sele Mesozoic 1798.000 1772.919 Lloyds Register
Cromarty Sandstone Cenozoic 1808.000 1782.918 Lloyds Register
Lista Mesozoic 1956.000 1930.909 Lloyds Register
Montrose Mesozoic 1956.000 1930.909 Lloyds Register
Balmoral Sandstone Cenozoic 2028.000 2002.904 Lloyds Register
Glamis Tuff 2227.000 2201.892 Lloyds Register
Andrew Sandstone Cenozoic 2264.000 2238.891 Lloyds Register
Maureen Mesozoic 2459.000 2433.883 Lloyds Register
Chalk Mesozoic 2518.000 2492.879 Lloyds Register
Ekofisk Mesozoic 2518.000 2492.879 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2562.000 2536.877 Lloyds Register
Cromer Knoll Mesozoic 2996.000 2970.863 Lloyds Register
Rodby Mesozoic 2996.000 2970.863 Lloyds Register
Sola 3036.000 3010.861 Lloyds Register
Valhall Mesozoic 3095.000 3069.859 Lloyds Register
Humber Mesozoic 3199.000 3173.846 Lloyds Register
Kimmeridge Clay 3199.000 3173.846 Lloyds Register
Rattray Volcanics Mesozoic 3257.000 3231.826 Lloyds Register
Pentland Mesozoic 3257.000 3231.826 Lloyds Register
Fladen Mesozoic 3257.000 3231.826 Lloyds Register

Lithology Intervals

21/08- 1 Curve: SANDCOUNT 78 intervals  ·  MD 1806.702 – 3198.724 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (71)
Limestone (7)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/08- 1 7 12 6 47 25 1 1 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/08- 1 Cuttings 243.84 3291.84 -- -- .
21/08- 1 Core #1 3205.28 3223.87 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/08- 1 132.7404022216797 3286.963134765625 8 0 2026-08-06 17:21:33.187608+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/08- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN CGG Digital Well Logs 1752.2952 3286.6584000000003 10069
caliper CALI CGG Digital Well Logs 1750.7712000000001 3286.0488 10075
comp_sonic AC CGG Digital Well Logs 222.65640000000002 3281.0196 19991
deep_resistivity RT CGG Digital Well Logs 222.19920000000002 3286.2012 20053
density_correction CORR CGG Digital Well Logs 1752.2952 3286.8108 10070
gamma_ray GR CGG Digital Well Logs 132.7404 3277.5144 20626
neutron_por CN CGG Digital Well Logs 1751.6856 3286.9632 10075
sp SP CGG Digital Well Logs 222.50400000000002 3286.0488 13762

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/08- 1 21 3291.840 3266.654 D:\BigSpatial\nsta_raw\CGG_Deviation\21-8-1 2450x-CGG_Deviation.xlsx

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