Well Data Manager / Well Summary / 9/12b- 7

9/12b- 7

Decommissioned

Well Header

Well No
9/12b- 7
NSTA DEN No
2961
Well Name
--
Drill Seq No
7
Quadrant / Block
9 / 12 b
Surface Location
59.631878, 1.224245
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Original Operator
--
Sub Area Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Licence No
P336
Licence Type
Production
Spud Date
1986-05-26
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

9/12b- 7 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
DX
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.298
Ground Elev (m)
--
Water Depth (m)
100.58
TD MD (m)
1707.180
TD TVDSS (m)
1681.770
TD Datum Depth (m)
25.298
TD Datum Type
Kelly Bushing
Spud Date
1986-05-26
TD Reached
1986-06-04
Completion Date
1986-06-07
Release Date
1990-06-07

Formation Tops (6)

Wellbore Formation Era MD (m) TVDSS (m) Provider
9/12b- 7 Upper Mousa Cenozoic 527.000 501.678 Ternan
Lower Mousa 945.000 919.635 Ternan
Upper Dornoch Sst 1196.000 1170.617 Ternan
Maureen Sst Mesozoic 1563.000 1537.597 Ternan
Shetland Mesozoic 1608.000 1582.593 Ternan
Old Red Sandstone 1629.000 1603.591 Ternan

Lithology Intervals

9/12b- 7 Curve: SANDCOUNT 87 intervals  ·  MD 440.284 – 1693.926 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NNS, ESP, ...
Sandstone (45)
Limestone (42)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
9/12b- 7 0 0 0 10 6 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
9/12b- 7 Cuttings 441.96 1707.18 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/12b- 7 115.8239974975586 1708.708740234375 12 0 2026-08-06 15:17:53.503247+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/12b- 7
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
apparent_water_resistivity RWA Energective CorrectedLOGS 429.76800000000003 1672.5900000000001 2371
bulk_density DEN OGA Batch Unzipped 880.2624000000001 1708.7088 5437
bulk_density LDL Energective CorrectedLOGS 940.9176 1701.8508000000002 4994
bulk_density DENS LR Petrophysical Devonian/ESP 880.872 1706.88 5421
cable_tension TENS OGA Batch Unzipped 115.82400000000001 1708.7088 10453
cable_tension TNS Energective CorrectedLOGS 115.82400000000001 1708.7088 10453
caliper CALI LR Petrophysical Devonian/ESP 877.824 1706.88 5441
caliper CLD Energective CorrectedLOGS 879.3480000000001 1708.7088 5443
comp_sonic DTC Energective CorrectedLOGS 443.02680000000004 1695.6024 8216
deep_resistivity RES_DEP OGA Batch Unzipped 428.5488 1708.7088 8401
deep_resistivity RDEP LR Petrophysical Devonian/ESP 428.8536 1705.9656 8380
deep_resistivity ILD Energective CorrectedLOGS 429.76800000000003 1705.8132 8374
density_correction DRH Energective CorrectedLOGS 880.2624000000001 1708.7088 5437
density_correction DENC UKCS JDWL 30th Round 880.8720000000001 1706.88 5421
gamma_ray GRI Energective CorrectedLOGS 115.82400000000001 1700.1744 10397
gamma_ray GR LR Petrophysical Devonian/ESP 125.8824 1700.022 10329
med_resistivity ILM Energective CorrectedLOGS 429.76800000000003 1705.8132 8374
med_resistivity RES_MED OGA Batch Unzipped 428.5488 1708.7088 8401
med_resistivity RMED UKCS JDWL 30th Round 428.85360000000003 1705.9656 8380
neutron_por NEUT LR Petrophysical Devonian/ESP 880.872 1703.832 5401
neutron_por CNLC Energective CorrectedLOGS 865.0224000000001 1703.0700000000002 5500
neutron_por NEU OGA Batch Unzipped 865.0224000000001 1708.7088 5537
pef PEF Energective CorrectedLOGS 941.832 1708.7088 5033
porosity POR Energective CorrectedLOGS 429.76800000000003 1700.1744 8337
tvdss SS Energective CorrectedLOGS 115.82400000000001 1709.0136 10455
vshale VSGR Energective CorrectedLOGS 124.0536 1700.1744 10343
vshale VSH Energective CorrectedLOGS 124.0536 1700.1744 10343
water_sat SW Energective CorrectedLOGS 429.76800000000003 1700.1744 8337
water_sat_xo SXO Energective CorrectedLOGS 429.76800000000003 1700.1744 8337

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/12b- 7 48 1707.185 1681.771 G:\NSTA_BigFiles\NSTA_Packages\UKCS_JDWL_30thRound\NNS\OGA_Additional_Deviation_NNS.xlsx
9/12b- 7 48 1707.185 1681.772 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_12b- 7\WELL_PATH\WDD_QC\9_12b-_7_wdd_WDD_FILE_1690273_DATACO_MAPPED.csv

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