Well Data Manager / Well Summary / 3/23a- 2

3/23a- 2

Decommissioned

Well Header

Well No
3/23a- 2
NSTA DEN No
1263
Well Name
--
Drill Seq No
2
Quadrant / Block
3 / 23 a
Surface Location
60.274794, 1.491554
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
ITHACA OIL AND GAS LIMITED
Original Operator
CHEVRON U.K. LIMITED
Sub Area Operator
ITHACA OIL AND GAS LIMITED
Licence No
P190
Licence Type
Production
Spud Date
1978-10-05
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

3/23a- 2 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
23.470
Ground Elev (m)
--
Water Depth (m)
120.40
TD MD (m)
2622.194
TD TVDSS (m)
0.000
TD Datum Depth (m)
23.470
TD Datum Type
Kelly Bushing
Spud Date
1978-10-05
TD Reached
1978-11-06
Completion Date
1978-11-08
Release Date
1982-11-08

Formation Tops (3)

Wellbore Formation Era MD (m) TVDSS (m) Provider
3/23a- 2 Upper Mousa Cenozoic 943.000 919.520 Ternan
Shetland Mesozoic 2188.000 2163.715 Ternan
Old Red Sandstone 2601.000 2529.576 Ternan

Lithology Intervals

3/23a- 2 Curve: SANDCOUNT 115 intervals  ·  MD 336.194 – 2649.169 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NNS, ESP, ...
Limestone (60)
Sandstone (54)
Coal (1)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
3/23a- 2 0 0 0 13 3 0 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
3/23a- 2 Cuttings 527.3 2654.81 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
3/23a- 2 152.39999389648438 2653.4365234375 13 0 2026-08-06 13:31:00.919906+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
3/23a- 2
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
apparent_water_resistivity RWA Energective CorrectedLOGS 335.12760000000003 2594.7624 2318
bulk_density CDEN Energective CorrectedLOGS 2566.7208 2652.522 564
bulk_density DENS LR Petrophysical Devonian/ESP 882.0912 2651.76 11491
bulk_density DEN OGA Batch Unzipped 884.5296000000001 2622.1944000000003 11403
bulk_density RHOB CGG Digital Well Logs 883.7676 2651.76 11602
caliper CALI LR Petrophysical Devonian/ESP 882.0912 2651.76 11595
caliper CALS CGG Digital Well Logs 2562.4536000000003 2651.1504 583
caliper CLD Energective CorrectedLOGS 2561.0820000000003 2650.0836 585
comp_sonic DT CGG Digital Well Logs 335.12760000000003 2642.0064 15039
comp_sonic DTC Energective CorrectedLOGS 348.23400000000004 2641.8540000000003 14945
deep_resistivity ILD Energective CorrectedLOGS 335.28000000000003 2653.4364 15212
deep_resistivity RDEP LR Petrophysical Devonian/ESP 2561.5392 2651.76 593
deep_resistivity RES_DEP OGA Batch Unzipped 149.9616 2622.1944000000003 16208
deep_resistivity LLD Energective CorrectedLOGS 2562.3012000000003 2653.284 598
density_correction DRHO CGG Digital Well Logs 883.7676 2651.76 11602
density_correction DENC OGA Batch Unzipped 2530.4496 2622.1944000000003 603
density_correction CDRH Energective CorrectedLOGS 2562.1488 2652.0648 591
gamma_ray GRD CGG Digital Well Logs 877.062 2642.7684 11587
gamma_ray GR LR Petrophysical Devonian/ESP 149.352 2649.3216 16405
gamma_ray GRL CGG Digital Well Logs 2548.7376 2650.5408 669
gamma_ray GRI Energective CorrectedLOGS 152.4 2643.8352 16349
micro_resistivity MSFL CGG Digital Well Logs 2561.9964 2650.6932 583
micro_resistivity MSF Energective CorrectedLOGS 2561.2344000000003 2652.8268000000003 602
micro_resistivity RES_MIC OGA Batch Unzipped 2530.4496 2622.1944000000003 603
neutron_por CNEU Energective CorrectedLOGS 883.9200000000001 2646.426 11566
neutron_por NEUT LR Petrophysical Devonian/ESP 887.4252 2651.76 9015
neutron_por NEU OGA Batch Unzipped 884.5296000000001 2622.1944000000003 11403
neutron_por NPHI CGG Digital Well Logs 880.11 2645.664 11586
porosity POR Energective CorrectedLOGS 335.12760000000003 2643.6828 15149
shallow_resistivity RES_SLW OGA Batch Unzipped 149.9616 2622.1944000000003 5411
shallow_resistivity LLS Energective CorrectedLOGS 2561.9964 2653.284 600
shallow_resistivity SFL Energective CorrectedLOGS 334.97520000000003 2651.1504 4188
shallow_resistivity SFLU CGG Digital Well Logs 334.97520000000003 2650.5408 15195
sp SPL CGG Digital Well Logs 2561.0820000000003 2650.5408 588
sp SP Energective CorrectedLOGS 336.34680000000003 2653.4364 4408
tvdss SS Energective CorrectedLOGS 152.4 2653.5888 16413
vshale VSGR Energective CorrectedLOGS 152.4 2643.6828 16348
vshale VSH Energective CorrectedLOGS 152.4 2643.6828 16348
water_sat SW Energective CorrectedLOGS 335.12760000000003 2643.6828 15149
water_sat_xo SXO Energective CorrectedLOGS 335.12760000000003 2643.6828 15149

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
3/23a- 2 85 2553.919 2529.576 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_3\3_23a- 2\WELL_PATH\WDD_QC\3_23a-_2_wdd_WDD_FILE_1918223_DATACO_MAPPED.csv

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