Well Data Manager / Well Summary / 3/12a- 3

3/12a- 3

Decommissioned

Well Header

Well No
3/12a- 3
NSTA DEN No
3860
Well Name
--
Drill Seq No
3
Quadrant / Block
3 / 12 a
Surface Location
60.517441, 1.381011
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
CNR INTERNATIONAL (U.K.) LIMITED
Original Operator
--
Sub Area Operator
CNR INTERNATIONAL (U.K.) LIMITED
Licence No
P296
Licence Type
Production
Spud Date
1989-10-10
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

3/12a- 3 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)
25.908
Ground Elev (m)
--
Water Depth (m)
129.84
TD MD (m)
3501.847
TD TVDSS (m)
3501.542
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1989-10-10
TD Reached
1989-11-25
Completion Date
1989-12-01
Release Date
1993-12-01

Formation Tops (3)

Wellbore Formation Era MD (m) TVDSS (m) Provider
3/12a- 3 Shetland Mesozoic 2256.000 2229.959 Ternan
Emerald 3433.000 3406.676 Ternan
Cormorant Mesozoic 3436.000 3409.673 Ternan

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
3/12a- 3 0 0 0 27 3 0 2 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (3)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
3/12a- 3 Cuttings 606.55 3528.67 -- -- .
3/12a- 3 Core #1 3392.42 3410.62 -- -- --
3/12a- 3 Core #2 3410.1 3432.81 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
3/12a- 3 121.61519622802734 3531.10791015625 14 0 2026-08-06 13:17:06.39795+00 View Log

Source LAS Manifest (Best Curve per Type)

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3/12a- 3
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
apparent_water_resistivity RWA Energective CorrectedLOGS 587.8068000000001 3499.4088 931
bulk_density DEN OGA Batch Unzipped 576.9864 3501.8472 19193
bulk_density CDEN Energective CorrectedLOGS 600.9132000000001 3530.8032000000003 19215
bulk_density RHOB CGG Digital Well Logs 586.8924000000001 3526.9932000000003 19293
caliper CALS CGG Digital Well Logs 586.8924000000001 3526.8408000000004 19158
caliper CLD Energective CorrectedLOGS 600.9132000000001 3509.7720000000004 19077
caliper CALI CGG Digital Well Logs 586.8924000000001 3526.8408000000004 19292
comp_sonic DTC Energective CorrectedLOGS 586.8924000000001 3519.3732 19092
comp_sonic DT CGG Digital Well Logs 587.3496 3516.7824 19159
deep_resistivity LLD Energective CorrectedLOGS 586.8924000000001 3523.7928 19121
deep_resistivity RES_DEP OGA Batch Unzipped 576.9864 3501.5424000000003 19191
density_correction DRHO CGG Digital Well Logs 586.8924000000001 3526.9932000000003 19293
density_correction CDRH Energective CorrectedLOGS 600.9132000000001 3531.108 19217
density_correction DENC OGA Batch Unzipped 575.1576 3501.8472 7127
gamma_ray GRI Energective CorrectedLOGS 121.6152 3521.6592 22311
gamma_ray GR CGG Digital Well Logs 121.6152 3516.3252 22276
gamma_ray GRD CGG Digital Well Logs 574.3956000000001 3516.4776 19306
micro_resistivity RES_MIC OGA Batch Unzipped 579.7296 3501.8472 19156
micro_resistivity MSFL CGG Digital Well Logs 587.0448 3511.4484 18994
micro_resistivity MSF Energective CorrectedLOGS 586.8924000000001 3515.106 19065
neutron_por CNEU Energective CorrectedLOGS 574.3956000000001 3527.4504 19378
neutron_por NEU OGA Batch Unzipped 576.9864 3501.8472 19185
neutron_por NPHI CGG Digital Well Logs 587.1972000000001 3520.2876 19211
pef CPEF Energective CorrectedLOGS 600.9132000000001 3525.6216000000004 6977
porosity POR Energective CorrectedLOGS 586.8924000000001 3521.6592 19108
shallow_resistivity LLS Energective CorrectedLOGS 586.8924000000001 3524.0976 19123
shallow_resistivity RES_SLW OGA Batch Unzipped 579.7296 3501.8472 19161
sp SP Energective CorrectedLOGS 586.8924000000001 3290.0112000000004 17587
tvdss SS Energective CorrectedLOGS 121.6152 3531.4128 22375
vshale VSGR Energective CorrectedLOGS 244.7544 3521.6592 21503
vshale VSH Energective CorrectedLOGS 244.7544 3521.6592 21503
water_sat SW Energective CorrectedLOGS 586.8924000000001 3521.6592 19108
water_sat_xo SXO Energective CorrectedLOGS 586.8924000000001 3521.6592 19108

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
3/12a- 3 125 3528.670 3502.227 D:\BigSpatial\nsta_raw\CGG_Deviation\3-12a-3 9568bq_CGG-Deviation.xlsx

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