Well Data Manager / Well Summary / 9/18b- 25

9/18b- 25

Decommissioned

Well Header

Well No
9/18b- 25
NSTA DEN No
5023
Well Name
--
Drill Seq No
25
Quadrant / Block
9 / 18 b
Surface Location
59.351094, 1.592269
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED
Original Operator
--
Sub Area Operator
NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED
Licence No
P496
Licence Type
Production
Spud Date
1993-06-18
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (3)

9/18b- 25 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
EG
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
113.08
TD MD (m)
1859.280
TD TVDSS (m)
1816.480
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1993-06-18
TD Reached
1993-06-28
Completion Date
1993-06-29
Release Date
1997-06-29
9/18b- 25Y Sidetrack Y parent: 9/18b- 25Z
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
EG
Well Seq
WB3
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
113.08
TD MD (m)
2317.390
TD TVDSS (m)
1889.780
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1993-07-06
TD Reached
1993-07-12
Completion Date
1993-07-16
Release Date
1997-07-16
9/18b- 25Z Sidetrack Z parent: 9/18b- 25
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas Well
Dev Type
--
Convention
--
Primary Target
EG
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
113.08
TD MD (m)
2026.920
TD TVDSS (m)
1891.610
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1993-06-28
TD Reached
1993-07-05
Completion Date
1993-07-17
Release Date
1997-07-17

Formation Tops (17)

Wellbore Formation Era MD (m) TVDSS (m) Provider
9/18b- 25 Unknown 139.000 113.092 BGS LithoStrat Upper
Horda Formation Cenozoic 831.000 805.021 BGS LithoStrat Upper
Main Grid Sandstone Member Cenozoic 919.000 893.016 BGS LithoStrat Upper
Horda Formation Cenozoic 1128.000 1101.979 BGS LithoStrat Upper
Horda Formation Cenozoic 1442.000 1415.919 BGS LithoStrat Upper
B3 Unit 1683.000 1656.873 BGS LithoStrat Upper
B3 Unit 1695.000 1668.873 BGS LithoStrat Upper
B2 Unit 1743.000 1716.871 BGS LithoStrat Upper
B2 Sand 1771.000 1744.870 BGS LithoStrat Upper
B2 Unit 1787.000 1760.869 BGS LithoStrat Upper
B1 Unit 1794.000 1767.869 BGS LithoStrat Upper
B1 Sand 1800.000 1773.869 BGS LithoStrat Upper
B1 Unit 1809.000 1782.868 BGS LithoStrat Upper
Sele Mesozoic 1821.000 1794.868 BGS LithoStrat Upper
9/18b- 25Y Horda Formation Cenozoic 861.000 835.013 BGS LithoStrat Upper
Main Grid Sandstone Member Cenozoic 919.000 892.924 BGS LithoStrat Upper
Horda Formation Cenozoic 1139.000 1103.175 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
9/18b- 25 0 0 0 14 14 0 0 0 0 View
9/18b- 25Y 0 0 0 2 3 0 0 1 0 View
9/18b- 25Z 0 0 0 10 0 0 0 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
9/18b- 25Y Cuttings 847.34 2316.48 -- -- --
9/18b- 25Z Cuttings 865.63 2026.92 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/18b- 25 105.30840301513672 1862.6328125 10 0 2026-08-06 15:57:57.837447+00 View Log
9/18b- 25Y 807.2628173828125 2292.85791015625 10 0 2026-08-06 15:58:00.25065+00 View Log
9/18b- 25Z 806.8056030273438 2012.746826171875 9 0 2026-08-06 15:58:02.378801+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/18b- 25
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 834.6948 1861.7184000000002 6740
bulk_density CDEN Energective CorrectedLOGS 801.7764000000001 1862.1756 6958
bulk_density RHOB CGG Digital Well Logs 818.9976 1858.3656 6821
caliper CALI CGG Digital Well Logs 818.9976 1858.3656 6821
caliper CLD Energective CorrectedLOGS 812.7492000000001 1860.0420000000001 6873
comp_sonic DT CGG Digital Well Logs 819.4548000000001 1846.0212000000001 6737
comp_sonic DTC Energective CorrectedLOGS 819.6072 1849.0692000000001 6755
deep_resistivity ILD Energective CorrectedLOGS 820.0644000000001 1856.9940000000001 6805
deep_resistivity RES_DEP OGA Batch Unzipped 820.0644000000001 1861.7184000000002 6836
density_correction DENC OGA Batch Unzipped 801.7764000000001 1861.7184000000002 6956
density_correction DRHO CGG Digital Well Logs 818.9976 1858.3656 6821
density_correction CDRH Energective CorrectedLOGS 818.9976 1862.1756 6846
gamma_ray CGR CGG Digital Well Logs 801.7764000000001 1849.0692000000001 6873
gamma_ray SGR CGG Digital Well Logs 801.7764000000001 1849.0692000000001 6873
gamma_ray GRI Energective CorrectedLOGS 105.3084 1844.8020000000001 11415
gamma_ray GR CGG Digital Well Logs 105.3084 1849.2216 11444
med_resistivity ILM Energective CorrectedLOGS 820.3692000000001 1857.9084 6809
med_resistivity RES_MED OGA Batch Unzipped 105.4608 1861.7184000000002 11525
neutron_por NPHI CGG Digital Well Logs 818.9976 1853.3364000000001 6788
neutron_por CNEU Energective CorrectedLOGS 801.7764000000001 1856.2320000000002 6920
neutron_por NEU OGA Batch Unzipped 834.6948 1861.7184000000002 6740
pef PEF CGG Digital Well Logs 818.9976 1858.3656 6821
pef CPEF Energective CorrectedLOGS 818.388 1862.1756 6815
sp SP Energective CorrectedLOGS 105.3084 1862.6328 11532
thorium THOR CGG Digital Well Logs 801.7764000000001 1849.0692000000001 6873
tvdss SS Energective CorrectedLOGS 105.156 1862.9376000000002 11535
uranium URAN CGG Digital Well Logs 801.7764000000001 1849.0692000000001 6873
9/18b- 25Y
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 820.5216 2269.3884000000003 9048
bulk_density CDEN Energective CorrectedLOGS 822.0456 2285.6952 9166
bulk_density DEN OGA Batch Unzipped 838.3524 2294.8392 9361
caliper CLD Energective CorrectedLOGS 819.7596000000001 2276.094 9126
caliper CALI CGG Digital Well Logs 820.5216 2269.3884000000003 9049
comp_sonic DTC Energective CorrectedLOGS 819.1500000000001 1544.4216000000001 4756
comp_sonic DT CGG Digital Well Logs 819.3024 1543.3548 4752
deep_resistivity IDPH CGG Digital Well Logs 820.0644000000001 2278.0752 9166
deep_resistivity ILD Energective CorrectedLOGS 819.7596000000001 2278.38 9151
deep_resistivity RES_DEP OGA Batch Unzipped 820.0644000000001 2294.8392 9481
density_correction DRHO CGG Digital Well Logs 820.5216 2269.2360000000003 9047
density_correction DENC OGA Batch Unzipped 807.4152 2294.8392 9564
density_correction CDRH Energective CorrectedLOGS 821.436 2285.3904 9169
gamma_ray SGR CGG Digital Well Logs 807.2628000000001 2245.0044000000003 8912
gamma_ray CGR CGG Digital Well Logs 807.2628000000001 1525.0668 4711
gamma_ray GR OGA Batch Unzipped 807.4152 2294.8392 9564
gamma_ray GRI Energective CorrectedLOGS 807.4152 2277.1608 9224
med_resistivity IMPH CGG Digital Well Logs 820.0644000000001 2278.8372 9178
med_resistivity RES_MED OGA Batch Unzipped 820.5216 2294.8392 9478
med_resistivity ILM Energective CorrectedLOGS 820.0644000000001 2279.904 9159
neutron_por CNEU Energective CorrectedLOGS 807.2628000000001 2279.7516 9181
neutron_por NEU OGA Batch Unzipped 838.3524 2294.8392 9361
neutron_por NPHI CGG Digital Well Logs 820.6740000000001 2262.8352 8960
pef CPEF Energective CorrectedLOGS 834.5424 2282.0376 9058
pef PEF CGG Digital Well Logs 823.5696 2269.5408 8990
potassium POTA CGG Digital Well Logs 807.2628000000001 1525.0668 4711
sp SP Energective CorrectedLOGS 819.1500000000001 2292.858 9328
thorium THOR CGG Digital Well Logs 807.2628000000001 1525.0668 4711
tvdss SS Energective CorrectedLOGS 807.1104 2293.0104 9751
uranium URAN CGG Digital Well Logs 807.2628000000001 1525.0668 4711
9/18b- 25Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density CDEN Energective CorrectedLOGS 826.6176 2006.346 7742
bulk_density RHOB CGG Digital Well Logs 819.19882896 2005.63282896 7786
bulk_density DEN OGA Batch Unzipped 819.3024 2014.728 7845
caliper CLD Energective CorrectedLOGS 1219.2 2007.1080000000002 5171
caliper CALI CGG Digital Well Logs 819.19882896 2005.63282896 7786
comp_sonic DTC Energective CorrectedLOGS 820.6740000000001 2006.9556 7785
comp_sonic DT CGG Digital Well Logs 822.85642896 2001.36562896 7734
deep_resistivity ILD Energective CorrectedLOGS 820.6740000000001 2012.5944000000002 7822
deep_resistivity RES_DEP OGA Batch Unzipped 820.6740000000001 2016.8616000000002 7850
density_correction DRHO CGG Digital Well Logs 819.19882896 2005.63282896 7786
density_correction CDRH Energective CorrectedLOGS 827.0748000000001 2006.6508000000001 7741
density_correction DENC OGA Batch Unzipped 819.3024 2014.728 7845
gamma_ray GR CGG Digital Well Logs 806.85442896 1994.8124289600003 7796
gamma_ray CGR CGG Digital Well Logs 804.56842896 2003.0420289600002 7865
gamma_ray GRI Energective CorrectedLOGS 806.8056 2007.1080000000002 7877
gamma_ray SGR CGG Digital Well Logs 804.56842896 2003.0420289600002 7865
med_resistivity RES_MED OGA Batch Unzipped 821.2836000000001 2016.8616000000002 7846
med_resistivity ILM Energective CorrectedLOGS 821.2836000000001 2012.7468000000001 7819
neutron_por CNEU Energective CorrectedLOGS 818.9976 2010.7656000000002 7821
neutron_por NEU OGA Batch Unzipped 818.9976 2016.2520000000002 7857
neutron_por NPHI CGG Digital Well Logs 820.72282896 2006.85202896 7784
pef PEF CGG Digital Well Logs 833.37202896 2005.3280289600002 7691
pef CPEF Energective CorrectedLOGS 826.9224 2005.2792000000002 7733
potassium POTA CGG Digital Well Logs 804.56842896 2003.0420289600002 7865
thorium THOR CGG Digital Well Logs 804.56842896 2003.0420289600002 7865
tvdss SS Energective CorrectedLOGS 806.8056 2012.8992 7915
uranium URAN CGG Digital Well Logs 804.56842896 2003.0420289600002 7865

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/18b- 25 32 1841.906 1815.773 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_18b- 25\WELL_PATH\WDD_QC\9_18b-_25_wdd_WDD_FILE_208920299_DATACO_MAPPED.csv
9/18b- 25Y 77 2317.394 1863.882 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_18b- 25Y\WELL_PATH\WDD_QC\9_18b-_25Y_wdd_WDD_FILE_208920302_DATACO_MAPPED.csv
9/18b- 25Z 42 2026.920 1840.674 D:\BigSpatial\nsta_raw\CGG_Deviation\9-18b-25Z 26866ad_CGG-Deviation.xlsx

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