Well Data Manager / Well Summary / 15/20b- 12

15/20b- 12

Decommissioned

Well Header

Well No
15/20b- 12
NSTA DEN No
5427
Well Name
--
Drill Seq No
12
Quadrant / Block
15 / 20 b
Surface Location
58.374048, 0.838904
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
1
Operator
BP EXPLORATION OPERATING COMPANY LIMITED
Original Operator
--
Sub Area Operator
BP EXPLORATION OPERATING COMPANY LIMITED
Licence No
P735
Licence Type
Production
Spud Date
1995-01-22
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (5)

15/20b- 12 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
Q
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
23.000
Ground Elev (m)
--
Water Depth (m)
0.00
TD MD (m)
2487.000
TD TVDSS (m)
2012.000
TD Datum Depth (m)
23.000
TD Datum Type
Kelly Bushing
Spud Date
1995-01-22
TD Reached
1995-02-01
Completion Date
1995-02-05
Release Date
1999-02-05
15/20b- 12W Sidetrack W parent: 15/20b- 12X
Abandoned Phase 3 View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
Q
Well Seq
WB5
Datum Type
Mean Sea Level
Datum Elev (m)
0.000
Ground Elev (m)
--
Water Depth (m)
0.00
TD MD (m)
871.728
TD TVDSS (m)
601.980
TD Datum Depth (m)
0.000
TD Datum Type
Mean Sea Level
Spud Date
1995-03-13
TD Reached
1995-03-31
Completion Date
1995-03-31
Release Date
1999-03-31
15/20b- 12X Sidetrack X parent: 15/20b- 12Y
Abandoned Phase 3 View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
Q
Well Seq
WB4
Datum Type
Mean Sea Level
Datum Elev (m)
0.000
Ground Elev (m)
--
Water Depth (m)
0.00
TD MD (m)
772.668
TD TVDSS (m)
611.124
TD Datum Depth (m)
0.000
TD Datum Type
Mean Sea Level
Spud Date
1995-03-03
TD Reached
1995-03-13
Completion Date
1995-03-13
Release Date
1999-03-13
15/20b- 12Y Sidetrack Y parent: 15/20b- 12Z
Abandoned Phase 3 View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
Q
Well Seq
WB3
Datum Type
Mean Sea Level
Datum Elev (m)
0.000
Ground Elev (m)
--
Water Depth (m)
0.00
TD MD (m)
863.194
TD TVDSS (m)
611.429
TD Datum Depth (m)
0.000
TD Datum Type
Mean Sea Level
Spud Date
1995-02-19
TD Reached
1995-03-03
Completion Date
1995-03-03
Release Date
1999-03-03
15/20b- 12Z Sidetrack Z parent: 15/20b- 12
Abandoned Phase 3 View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
Q
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
23.000
Ground Elev (m)
--
Water Depth (m)
0.00
TD MD (m)
2540.000
TD TVDSS (m)
1951.640
TD Datum Depth (m)
23.000
TD Datum Type
Kelly Bushing
Spud Date
1995-02-05
TD Reached
1995-02-19
Completion Date
1995-02-19
Release Date
1999-02-19

Formation Tops (4)

Wellbore Formation Era MD (m) TVDSS (m) Provider
15/20b- 12 Balder Cenozoic 2137.000 2114.000 Lloyds Register
Moray Mesozoic 2137.000 2114.000 Lloyds Register
Sele Mesozoic 2169.000 2146.000 Lloyds Register
Montrose Mesozoic 2233.000 2210.000 Lloyds Register

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
15/20b- 12 2 2 0 8 4 0 0 0 0 View
15/20b- 12W 0 0 0 0 0 0 0 0 0
15/20b- 12X 0 0 0 0 0 0 0 0 0
15/20b- 12Y 0 0 0 0 0 0 0 0 0
15/20b- 12Z 0 0 0 0 0 0 0 0 0

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
15/20b- 12 Oil OW Montrose Group 2233.001376 -- 254 m thick

Rock Samples (0)

No cuttings, core, or plug samples recorded for this well.

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
15/20b- 12W 594.486572265625 869.0150146484375 5 0 2026-08-06 08:21:53.293016+00 View Log
15/20b- 12X 225.568603515625 771.3275146484375 5 0 2026-08-06 08:21:53.902759+00 View Log
15/20b- 12Y 560.902099609375 858.6563720703125 5 0 2026-08-06 08:21:54.785998+00 View Log
15/20b- 12Z 1504.949951171875 2527.249267578125 5 0 2026-08-06 08:21:55.427632+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
15/20b- 12W
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
deep_resistivity RES_DEP OGA Batch Unzipped 1951.482 2851.0992 5904
gamma_ray GR OGA Batch Unzipped 1950.4152 2848.0512 5891
med_resistivity RES_MED OGA Batch Unzipped 1951.3296 2851.0992 5905
micro_resistivity RES_MIC OGA Batch Unzipped 1951.0248 2851.0992 5907
rate_of_penetration SROP OGA Batch Unzipped 1950.1104 2851.5564 5916
shallow_resistivity RES_SLW OGA Batch Unzipped 1951.1772 2850.9468 5905
15/20b- 12X
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
deep_resistivity RES_DEP OGA Batch Unzipped 780.1356 2530.602 11487
gamma_ray GR OGA Batch Unzipped 740.0544 2527.7064 11731
med_resistivity RES_MED OGA Batch Unzipped 780.1356 2530.602 11487
micro_resistivity RES_MIC OGA Batch Unzipped 780.1356 2530.602 11487
rate_of_penetration SROP OGA Batch Unzipped 741.7308 2530.602 11739
shallow_resistivity RES_SLW OGA Batch Unzipped 780.1356 2530.602 11487
15/20b- 12Y
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
deep_resistivity RES_DEP OGA Batch Unzipped 1840.23 2817.114 6411
gamma_ray GR OGA Batch Unzipped 1840.23 2814.066 6391
med_resistivity RES_MED OGA Batch Unzipped 1840.23 2817.114 6411
micro_resistivity RES_MIC OGA Batch Unzipped 1840.23 2817.114 6411
rate_of_penetration SROP OGA Batch Unzipped 1840.23 2817.4188 6413
shallow_resistivity RES_SLW OGA Batch Unzipped 1840.23 2817.114 6411
15/20b- 12Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
deep_resistivity RES_DEP OGA Batch Unzipped 1505.5596 2527.2492 6705
gamma_ray GR OGA Batch Unzipped 1505.4072 2524.2012 6686
med_resistivity RES_MED OGA Batch Unzipped 1505.2548 2527.2492 6707
micro_resistivity RES_MIC OGA Batch Unzipped 1504.95 2527.2492 6709
rate_of_penetration SROP OGA Batch Unzipped 1518.0564 2534.8692 6635
shallow_resistivity RES_SLW OGA Batch Unzipped 1504.95 2527.2492 6709

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
15/20b- 12 0 -- -- --
15/20b- 12W 333 2859.999 1811.271 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_15\15_20b- 12W\WELL_PATH\WDD_QC\15_20b-_12W_wdd_WDD_FILE_46702738_DATACO_MAPPED.csv
15/20b- 12X 295 2534.991 1840.157 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_15\15_20b- 12X\WELL_PATH\WDD_QC\15_20b-_12X_wdd_WDD_FILE_46702740_DATACO_MAPPED.csv
15/20b- 12Y 328 2814.980 1835.420 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_15\15_20b- 12Y\WELL_PATH\WDD_QC\15_20b-_12Y_wdd_WDD_FILE_46702742_DATACO_MAPPED.csv
15/20b- 12Z 296 2539.990 1786.626 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_15\15_20b- 12Z\WELL_PATH\WDD_QC\15_20b-_12Z_wdd_WDD_FILE_46702744_DATACO_MAPPED.csv

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