Well Data Manager / Well Summary / 15/25b- 7

15/25b- 7

Decommissioned

Well Header

Well No
15/25b- 7
NSTA DEN No
9775
Well Name
--
Drill Seq No
7
Quadrant / Block
15 / 25 b
Surface Location
58.227927, 0.939281
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
PREMIER OIL UK LIMITED
Original Operator
--
Sub Area Operator
PREMIER OIL UK LIMITED
Licence No
P1042
Licence Type
Production
Spud Date
2004-02-01
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

15/25b- 7 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
B
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
26.822
Ground Elev (m)
--
Water Depth (m)
152.70
TD MD (m)
2316.785
TD TVDSS (m)
2289.962
TD Datum Depth (m)
26.822
TD Datum Type
Rotary Table
Spud Date
2004-02-01
TD Reached
2004-02-10
Completion Date
2004-02-13
Release Date
2007-02-13
15/25b- 7Z Sidetrack Z parent: 15/25b- 7
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
E
Well Seq
WB2
Datum Type
Rotary Table
Datum Elev (m)
26.822
Ground Elev (m)
--
Water Depth (m)
152.70
TD MD (m)
2503.630
TD TVDSS (m)
2147.316
TD Datum Depth (m)
26.822
TD Datum Type
Rotary Table
Spud Date
2004-02-13
TD Reached
2004-02-17
Completion Date
2004-02-27
Release Date
2007-02-27

Formation Tops (20)

Wellbore Formation Era MD (m) TVDSS (m) Provider
15/25b- 7 Unknown 180.000 153.178 BGS LithoStrat Upper
Nordland Cenozoic 716.000 689.136 BGS LithoStrat Upper
Hordaland Cenozoic 960.000 933.132 BGS LithoStrat Upper
Horda Formation Cenozoic 1433.000 1406.121 BGS LithoStrat Upper
Belton Member 1478.000 1451.119 BGS LithoStrat Upper
Balder Cenozoic 1959.000 1932.081 BGS LithoStrat Upper
Sele Mesozoic 1982.000 1955.077 BGS LithoStrat Upper
Lista Mesozoic 2018.000 1991.072 BGS LithoStrat Upper
Upper Balmoral Member 2024.000 1997.071 BGS LithoStrat Upper
Balmoral Member 2041.000 2014.068 BGS LithoStrat Upper
Andrew Member Palaeozoic 2130.000 2103.056 BGS LithoStrat Upper
15/25b- 7Z Unknown 180.000 153.178 BGS LithoStrat Upper
Nordland Cenozoic 716.000 689.136 BGS LithoStrat Upper
Hordaland Cenozoic 960.000 930.943 BGS LithoStrat Upper
Horda Formation Cenozoic 1490.000 1403.485 BGS LithoStrat Upper
Belton Member 1544.000 1444.552 BGS LithoStrat Upper
Balder Cenozoic 2195.000 1919.477 BGS LithoStrat Upper
Sele Mesozoic 2254.000 1964.350 BGS LithoStrat Upper
Upper Balmoral Member 2327.000 2022.909 BGS LithoStrat Upper
Balmoral Member 2387.000 2072.346 BGS LithoStrat Upper

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
15/25b- 7 0 0 0 11 11 1 0 0 0 View
15/25b- 7Z 0 0 0 9 9 1 0 0 0 View

Hydrocarbon Occurrence (4)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
15/25b- 7 Oil shows OS Lista Formation 2017.776 -- 6 m thick
15/25b- 7 Oil shows OS UBAL 2023.5672000000002 -- 17 m thick
15/25b- 7 Oil shows OS BMOR 2040.9408 -- 89 m thick
15/25b- 7Z Oil shows OS UBAL 2327.148 -- 59 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
15/25b- 7 54.40679931640625 2304.897705078125 13 0 2026-08-06 16:59:15.146592+00 View Log
15/25b- 7Z 702.7163696289062 2369.21044921875 8 0 2026-08-06 16:59:21.358199+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
15/25b- 7
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOZ CGG Digital Well Logs 725.7288000000001 2280.5136 10203
bulk_density DEN OGA Batch Unzipped 678.4848000000001 2307.3360000000002 10689
caliper HCAL CGG Digital Well Logs 725.7288000000001 2280.5136 10203
caliper CALI OGA Batch Unzipped 678.4848000000001 2283.4092 10532
comp_sonic DT4P CGG Digital Well Logs 703.6308 2294.5344 10440
comp_sonic DT OGA Batch Unzipped 678.4848000000001 2305.6596 10678
comp_sonic DTCO CGG Digital Well Logs 703.6308 2294.5344 10440
deep_resistivity RES_DEP OGA Batch Unzipped 678.4848000000001 2288.8956000000003 10568
density_correction HDRA CGG Digital Well Logs 725.7288000000001 2280.5136 10203
gamma_ray GR CGG Digital Well Logs 54.406800000000004 2271.0648 14546
med_resistivity RES_MED OGA Batch Unzipped 678.4848000000001 2289.0480000000002 10569
micro_resistivity RES_MIC OGA Batch Unzipped 678.4848000000001 2304.288 10669
neutron_por NPHI CGG Digital Well Logs 682.5996 2277.7704000000003 10468
pef PEFZ CGG Digital Well Logs 725.7288000000001 2280.5136 10203
rxo_resistivity RXOZ CGG Digital Well Logs 725.7288000000001 2286.3048000000003 10241
shallow_resistivity RES_SLW OGA Batch Unzipped 678.4848000000001 2288.8956000000003 10568
shear_sonic DT4S CGG Digital Well Logs 707.5932 2294.5344 8247
shear_sonic DTSM CGG Digital Well Logs 703.6308 2294.5344 10440
sp SP CGG Digital Well Logs 725.7288000000001 2304.8976000000002 10363
15/25b- 7Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOZ CGG Digital Well Logs 728.472 2073.5544 8799
caliper HCAL CGG Digital Well Logs 728.472 2073.5544 8827
comp_sonic DTP CGG Digital Well Logs 2307.6408 2357.4756 328
density_correction HDRA CGG Digital Well Logs 728.472 2073.5544 8827
gamma_ray GR CGG Digital Well Logs 702.7164 2369.2104 9255
neutron_por NPHI CGG Digital Well Logs 728.472 2069.4396 8800
pef PEFZ CGG Digital Well Logs 728.472 2073.5544 8827
rxo_resistivity RXOZ CGG Digital Well Logs 728.472 2078.4312 8859
shear_sonic DTS CGG Digital Well Logs 2307.6408 2357.7804 330

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
15/25b- 7 40 2316.780 2289.787 D:\BigSpatial\nsta_raw\CGG_Deviation\15-25b-7 20773cg_CGG-Deviation.xlsx
15/25b- 7Z 77 2476.800 2147.499 D:\BigSpatial\nsta_raw\CGG_Deviation\15-25b-7Z 20778x_CGG-Deviation.xlsx

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