9/11a- 12

Decommissioned

Well Header

Well No
9/11a- 12
NSTA DEN No
6076
Well Name
--
Drill Seq No
12
Quadrant / Block
9 / 11 a
Surface Location
59.587027, 1.098952
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
ADURA OPERATIONS LIMITED
Original Operator
--
Sub Area Operator
ADURA OPERATIONS LIMITED
Licence No
P335
Licence Type
Production
Spud Date
1997-02-14
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

9/11a- 12 Original
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
J
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
26.518
Ground Elev (m)
--
Water Depth (m)
102.72
TD MD (m)
1541.678
TD TVDSS (m)
1541.069
TD Datum Depth (m)
26.518
TD Datum Type
Kelly Bushing
Spud Date
1997-02-14
TD Reached
1997-03-04
Completion Date
1997-04-08
Release Date
2001-04-08

Formation Tops (7)

Wellbore Formation Era MD (m) TVDSS (m) Provider
9/11a- 12 Lower Mousa 782.000 755.400 Ternan
Beauly Cenozoic 992.000 965.232 Ternan
Beauly Cenozoic 992.000 965.232 Ternan
Upper Dornoch Sst 1052.000 1025.163 Ternan
Lower Dornoch Sst 1159.000 1132.064 Ternan
Maureen Sst Mesozoic 1451.000 1423.984 Ternan
Old Red Sandstone 1544.000 1516.966 Ternan

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
9/11a- 12 0 0 0 22 7 0 0 1 0 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
9/11a- 12 Oil O Lista Formation 1204.8744000000002 -- 70 m thick
9/11a- 12 Oil O MASD 1451.4576000000002 -- 55 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
9/11a- 12 Cuttings 780.29 1568.2 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/11a- 12 130.302001953125 1569.719970703125 13 0 2026-08-08 02:57:25.990265+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/11a- 12
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density CDEN Energective CorrectedLOGS 764.2782885600001 1562.6921959200001 5240
bulk_density RHOZ CGG Digital Well Logs 763.9812000000001 1562.862 5243
caliper C2 CGG Digital Well Logs 763.524 1551.8892 5174
caliper C1 CGG Digital Well Logs 763.524 1551.8892 5174
caliper CALI CGG Digital Well Logs 763.524 1562.862 5246
caliper CLD Energective CorrectedLOGS 761.53511904 1562.38739592 5256
comp_sonic DT4P CGG Digital Well Logs 754.2276 1541.6784 5168
comp_sonic DTC Energective CorrectedLOGS 765.6498580800001 1542.27083976 5097
deep_resistivity AHT90 CGG Digital Well Logs 763.8288 1567.7388 5276
deep_resistivity CRSD Energective CorrectedLOGS 765.4974885600001 1565.28293496 5249
deep_resistivity LLD CGG Digital Well Logs 765.048 1551.7368000000001 5163
density_correction CDRH Energective CorrectedLOGS 763.9734885600001 1562.6921959200001 5242
density_correction HDRA CGG Digital Well Logs 764.1336 1562.862 5242
gamma_ray GRI Energective CorrectedLOGS 130.302 1562.5397959200002 9399
gamma_ray HSGR CGG Digital Well Logs 102.108 1557.2232000000001 9549
gamma_ray GR CGG Digital Well Logs 753.1608 1529.7912000000001 5051
gamma_ray HCGR CGG Digital Well Logs 664.0068 1557.2232000000001 5862
med_resistivity AHT20 CGG Digital Well Logs 765.3528 1567.7388 5266
med_resistivity AHT60 CGG Digital Well Logs 765.3528 1567.7388 5266
med_resistivity AHT30 CGG Digital Well Logs 765.3528 1567.7388 5266
micro_resistivity MSF Energective CorrectedLOGS 765.6498580800001 1569.7025044800002 5277
neutron_por CNEU Energective CorrectedLOGS 764.2782885600001 1563.60656544 5246
neutron_por NPHI CGG Digital Well Logs 663.5496 1558.8996000000002 5876
pef CPEF Energective CorrectedLOGS 763.8210885600001 1562.84456544 5244
pef PEFZ CGG Digital Well Logs 763.6764000000001 1562.862 5245
rxo_resistivity RXOZ CGG Digital Well Logs 765.048 1563.0144 5237
shallow_resistivity AHT10 CGG Digital Well Logs 765.3528 1567.7388 5266
shallow_resistivity LLS CGG Digital Well Logs 765.048 1551.7368000000001 5163
shear_sonic DTS Energective CorrectedLOGS 907.0753512000001 1542.4232397600001 4170
shear_sonic DT4S CGG Digital Well Logs 754.5324 1537.5636000000002 5035
sp SP CGG Digital Well Logs 763.524 1548.9936 4981
tvdss SS Energective CorrectedLOGS 130.1496 1569.7025044800002 9447

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/11a- 12 48 1568.196 1541.161 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_11a- 12\WELL_PATH\WDD_QC\9_11a-_12_wdd_WDD_FILE_1918272_DATACO_MAPPED.csv

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