Well Data Manager / Well Summary / 15/23- 3

15/23- 3

Decommissioned

Well Header

Well No
15/23- 3
NSTA DEN No
938
Well Name
--
Drill Seq No
3
Quadrant / Block
15 / 23
Surface Location
58.212974, 0.423508
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
TEXACO NORTH SEA U.K. LIMITED
Original Operator
--
Sub Area Operator
TEXACO NORTH SEA U.K. LIMITED
Licence No
P237
Licence Type
Production
Spud Date
1976-12-25
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

15/23- 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
C
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.603
Ground Elev (m)
--
Water Depth (m)
148.74
TD MD (m)
4599.432
TD TVDSS (m)
4573.829
TD Datum Depth (m)
25.603
TD Datum Type
Kelly Bushing
Spud Date
1976-12-25
TD Reached
1977-03-12
Completion Date
1977-04-18
Release Date
1981-04-18

Formation Tops (29)

Wellbore Formation Era MD (m) TVDSS (m) Provider
15/23- 3 Horda Cenozoic 811.000 785.372 Lloyds Register
Stronsay Cenozoic 811.000 785.372 Lloyds Register
Caran Sanstone 1558.000 1532.334 Lloyds Register
Balder Cenozoic 1705.000 1679.323 Lloyds Register
Moray Mesozoic 1705.000 1679.323 Lloyds Register
Balder Tuff Cenozoic 1792.000 1766.316 Lloyds Register
Sele Mesozoic 1854.000 1828.311 Lloyds Register
Forties Sandstone Mesozoic 1928.000 1902.305 Lloyds Register
Lista Mesozoic 1963.000 1937.302 Lloyds Register
Montrose Mesozoic 1963.000 1937.302 Lloyds Register
Balmoral Sandstone Cenozoic 2000.000 1974.300 Lloyds Register
Glamis Tuff 2176.000 2150.289 Lloyds Register
Andrew Sandstone Cenozoic 2227.000 2201.285 Lloyds Register
Maureen Sandstone Mesozoic 2453.000 2427.250 Lloyds Register
Maureen Mesozoic 2453.000 2427.250 Lloyds Register
Ekofisk Mesozoic 2618.000 2592.218 Lloyds Register
Chalk Mesozoic 2618.000 2592.218 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2660.000 2634.212 Lloyds Register
Cromer Knoll Mesozoic 3550.000 3524.093 Lloyds Register
Rodby Mesozoic 3550.000 3524.093 Lloyds Register
Sola 3680.000 3654.085 Lloyds Register
Valhall Mesozoic 3737.000 3711.082 Lloyds Register
Humber Mesozoic 4123.000 4097.060 Lloyds Register
Kimmeridge Clay 4123.000 4097.060 Lloyds Register
Claymore Sandstone Mesozoic 4175.000 4149.057 Lloyds Register
Piper Mesozoic 4476.000 4450.040 Lloyds Register
Fladen Mesozoic 4570.000 4544.035 Lloyds Register
Rattray Volcanics Mesozoic 4570.000 4544.035 Lloyds Register
Pentland Mesozoic 4570.000 4544.035 Lloyds Register

Lithology Intervals

15/23- 3 Curve: SANDCOUNT 193 intervals  ·  MD 873.100 – 4569.409 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (143)
Limestone (50)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
15/23- 3 7 13 9 23 29 2 0 1 2 View

Hydrocarbon Occurrence (11)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
15/23- 3 Gas shows GS * 499.872 -- 223 m thick
15/23- 3 Gas shows GS * 723.2904000000001 -- 1205 m thick
15/23- 3 Gas shows GS PASD 1928.4696000000001 -- 166 m thick
15/23- 3 Gas shows GS * 2094.5856 -- 449 m thick
15/23- 3 Oil shows OS * 3796.284 -- 327 m thick
15/23- 3 Mixed shows OGS Kimmeridge Clay (Skye) 4123.334400000001 -- 52 m thick
15/23- 3 Mixed shows OGS UKSS 4174.845600000001 -- 16 m thick
15/23- 3 Mixed shows OGS Kimmeridge Clay (Skye) 4191.0 -- 285 m thick
15/23- 3 Mixed shows OGS TAMS 4475.988 -- 94 m thick
15/23- 3 DST DST 2 -- 4486.7 4565.9 Label / Upper Jurassic
15/23- 3 DST DST 1 -- 4538.5 4565.9 Not used for labelling, multiple DSTs in same play / Upper Jurassic

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
15/23- 3 Cuttings 509.02 4596.38 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
15/23- 3 174.34559631347656 4598.669921875 10 0 2026-08-06 08:30:04.007692+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
15/23- 3
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 3612.4896000000003 4598.67 6472
bulk_density DEN OGA Batch Unzipped 3582.1620000000003 4599.432 6676
caliper CALI CGG Digital Well Logs 3612.4896000000003 4598.67 6472
caliper MCAL CGG Digital Well Logs 3612.6420000000003 4598.3652 6469
comp_sonic DT CGG Digital Well Logs 1556.9184 4586.478 19880
deep_resistivity RES_DEP OGA Batch Unzipped 3452.6220000000003 4597.7556 7509
deep_resistivity ILD CGG Digital Well Logs 1534.5156000000002 4596.9936 20096
density_correction DENC OGA Batch Unzipped 3582.1620000000003 4599.432 6676
density_correction DRHO CGG Digital Well Logs 3612.4896000000003 4598.67 6472
gamma_ray GRD CGG Digital Well Logs 3607.9176 4591.9644 6458
gamma_ray GR CGG Digital Well Logs 174.34560000000002 4589.0688 28969
micro_resistivity MLL CGG Digital Well Logs 3612.7944 4598.0604 6466
micro_resistivity MINV CGG Digital Well Logs 3612.6420000000003 4598.2128 6232
micro_resistivity MNOR CGG Digital Well Logs 3612.7944 4598.2128 6109
micro_resistivity RES_MIC OGA Batch Unzipped 3582.1620000000003 4599.432 6676
neutron_por NEU OGA Batch Unzipped 3582.1620000000003 4599.432 6676
neutron_por NPHI CGG Digital Well Logs 3612.4896000000003 4594.098 6442
shallow_resistivity RES_SLW OGA Batch Unzipped 3452.6220000000003 4599.432 7520
shallow_resistivity SFLU CGG Digital Well Logs 1534.5156000000002 4596.9936 20096
sp SP CGG Digital Well Logs 1532.8392000000001 4598.67 20118

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
15/23- 3 11 4599.432 4573.465 D:\BigSpatial\nsta_raw\CGG_Deviation\15-23-3 932y_CGG-Deviation.xlsx

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