9/11a- 10

Decommissioned

Well Header

Well No
9/11a- 10
NSTA DEN No
6041
Well Name
--
Drill Seq No
10
Quadrant / Block
9 / 11 a
Surface Location
59.597346, 1.033417
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
1997-01-09
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

9/11a- 10 Original
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
I
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
26.518
Ground Elev (m)
--
Water Depth (m)
103.63
TD MD (m)
1454.506
TD TVDSS (m)
--
TD Datum Depth (m)
26.518
TD Datum Type
Kelly Bushing
Spud Date
1997-01-09
TD Reached
1997-01-24
Completion Date
1997-01-25
Release Date
2001-01-25
9/11a- 10Z Sidetrack Z parent: 9/11a- 10
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
I
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
26.518
Ground Elev (m)
--
Water Depth (m)
103.63
TD MD (m)
2393.594
TD TVDSS (m)
--
TD Datum Depth (m)
26.518
TD Datum Type
Kelly Bushing
Spud Date
1997-01-24
TD Reached
1997-01-30
Completion Date
1997-02-11
Release Date
2001-02-11

Formation Tops (25)

Wellbore Formation Era MD (m) TVDSS (m) Provider
9/11a- 10 Beauly Cenozoic 944.000 917.358 Ternan
Beauly Cenozoic 944.000 917.358 Ternan
Upper Dornoch Sst 1011.000 984.322 Ternan
Maureen Sst Mesozoic 1399.000 1372.273 Ternan
Shetland Mesozoic 1424.000 1397.268 Ternan
Old Red Sandstone 1427.000 1400.267 Ternan
9/11a- 10Z Unknown 138.000 111.482 BGS LithoStrat Upper
Mousa Formation Cenozoic 760.000 733.418 BGS LithoStrat Upper
Balder Cenozoic 956.000 919.467 BGS LithoStrat Upper
Balder Cenozoic 1019.000 971.236 BGS LithoStrat Upper
Dornoch Mesozoic 1022.000 973.548 BGS LithoStrat Upper
Lower Dornoch Formation Mesozoic 1039.000 986.650 BGS LithoStrat Upper
Lista Mesozoic 1170.000 1069.477 BGS LithoStrat Upper
Lista Mesozoic 1200.000 1082.596 BGS LithoStrat Upper
Lista Mesozoic 1289.000 1110.025 BGS LithoStrat Upper
Lista Mesozoic 1600.000 1211.070 BGS LithoStrat Upper
Heimdal 1601.000 1211.423 BGS LithoStrat Upper
Heimdal 1741.000 1263.660 BGS LithoStrat Upper
Heimdal 1866.000 1300.643 BGS LithoStrat Upper
Lista Mesozoic 1939.000 1322.576 BGS LithoStrat Upper
Lista Mesozoic 1995.000 1337.835 BGS LithoStrat Upper
Maureen Mesozoic 2148.000 1380.673 BGS LithoStrat Upper
Maureen Sand Member 2229.000 1403.992 BGS LithoStrat Upper
Chalk Mesozoic 2365.000 1445.696 BGS LithoStrat Upper
Unknown 2394.000 1455.516 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
9/11a- 10 0 0 0 18 6 0 1 1 0 View
9/11a- 10Z 0 0 0 19 19 0 0 1 0 View

Hydrocarbon Occurrence (4)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
9/11a- 10 Oil shows OS Dornoch Formation 997.3056 -- 6 m thick
9/11a- 10 Oil shows OS Heimdal Sandstone Member 1125.3216 -- 76 m thick
9/11a- 10 Oil shows OS Heimdal Sandstone Member 1245.7176000000002 -- 43 m thick
9/11a- 10 Oil shows OS MASD 1399.3368 -- 17 m thick

Rock Samples (3)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
9/11a- 10 Cuttings 777.24 1453.9 -- -- --
9/11a- 10 Core #1 1410.0 1413.11 -- -- --
9/11a- 10Z Cuttings 777.24 2420.11 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/11a- 10 703.173583984375 1430.731201171875 14 0 2026-08-08 02:57:18.606387+00 View Log
9/11a- 10Z 697.6871948242188 2399.5380859375 11 0 2026-08-06 18:57:03.6047+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/11a- 10
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bit_size BS OGA Batch Unzipped 703.2224 1430.6276 4774
bit_size BIT Energective CorrectedLOGS 703.1736000000001 1430.5699608 4774
bulk_density CDEN Energective CorrectedLOGS 771.60037704 1421.73085224 4265
bulk_density LDL Energective CorrectedLOGS 759.71329896 1404.0526656 4229
bulk_density DEN OGA Batch Unzipped 771.65 1429.256 4314
caliper CLD Energective CorrectedLOGS 703.326 1423.10245224 4724
caliper CALI OGA Batch Unzipped 703.3748 1430.6276 4773
comp_sonic DTC Energective CorrectedLOGS 740.6635428000001 1409.38660464 4387
comp_sonic DT OGA Batch Unzipped 703.2224 1430.6276 4774
deep_resistivity AF90 Energective CorrectedLOGS 759.71329896 1375.70663136 4043
deep_resistivity RT Energective CorrectedLOGS 758.9513294400001 1430.7223608 4409
deep_resistivity CRSD Energective CorrectedLOGS 781.35385512 1450.83891696 4394
deep_resistivity AT90 Energective CorrectedLOGS 759.71329896 1380.2785704 4073
density_correction DRH Energective CorrectedLOGS 758.18932944 1403.29069608 4234
gamma_ray GRI Energective CorrectedLOGS 703.1736000000001 1418.9876827200003 4698
gamma_ray GR OGA Batch Unzipped 703.2224 1430.6276 4774
gamma_ray GRD Energective CorrectedLOGS 752.0933904000001 1398.7187570400001 4244
med_resistivity AF30 Energective CorrectedLOGS 758.9513294400001 1377.23060088 4058
med_resistivity AT30 Energective CorrectedLOGS 758.18932944 1382.56453992 4098
med_resistivity AT20 Energective CorrectedLOGS 760.47529896 1374.9446313600001 4033
med_resistivity AT60 Energective CorrectedLOGS 758.18932944 1380.2785704 4083
neutron_por TNPH Energective CorrectedLOGS 757.4273294400001 1403.29069608 4239
neutron_por CNEU Energective CorrectedLOGS 771.60037704 1418.5305131999999 4246
neutron_por NEU OGA Batch Unzipped 771.65 1430.6276 4325
neutron_por CNLC Energective CorrectedLOGS 757.88452944 1421.5784522400002 4356
pef PEF Energective CorrectedLOGS 782.57302464 1409.38660464 4114
porosity PHIE OGA Batch Unzipped 1380.0308 1421.9408 276
rxo_resistivity RXO Energective CorrectedLOGS 761.99929896 1402.37629608 4203
rxo_resistivity RXOI Energective CorrectedLOGS 759.71329896 1406.33863512 4244
shallow_resistivity AF10 Energective CorrectedLOGS 758.9513294400001 1373.4206618399999 4033
shallow_resistivity AT10 Energective CorrectedLOGS 760.47529896 1381.0405704 4073
tvdss SS Energective CorrectedLOGS 703.1736000000001 1450.83891696 4907
vshale VSH OGA Batch Unzipped 1380.0308 1421.9408 276
water_sat SWE OGA Batch Unzipped 1380.0308 1421.9408 276
9/11a- 10Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOZ CGG Digital Well Logs 760.3236 2238.1464 9698
bulk_density LRHO Energective CorrectedLOGS 828.9036000000001 2389.632 10242
bulk_density DEN OGA Batch Unzipped 828.9524 2389.6808 10241
bulk_density CDEN Energective CorrectedLOGS 760.476 2238.6036 9700
caliper HCAL CGG Digital Well Logs 760.3236 2325.0144 7764
caliper CLD Energective CorrectedLOGS 760.476 1224.534 3046
deep_resistivity AT90 Energective CorrectedLOGS 760.476 2399.538 10756
density_correction LDRH Energective CorrectedLOGS 828.9036000000001 2389.632 10242
density_correction CDRH Energective CorrectedLOGS 760.476 2237.8416 9695
density_correction HDRA CGG Digital Well Logs 760.3236 2238.1464 9698
gamma_ray GRI Energective CorrectedLOGS 697.6872000000001 2379.8784 11034
gamma_ray HSGR CGG Digital Well Logs 689.1528000000001 2373.1728000000003 11003
gamma_ray HCGR CGG Digital Well Logs 688.5432000000001 2373.1728000000003 11054
gamma_ray GRLW Energective CorrectedLOGS 764.5908000000001 2404.4148 10761
gamma_ray GR OGA Batch Unzipped 764.6396 2404.4636 10761
med_resistivity ATR CGG Digital Well Logs 767.9436000000001 2407.6152 10760
med_resistivity PSR CGG Digital Well Logs 767.9436000000001 2407.6152 10760
med_resistivity AT60 Energective CorrectedLOGS 760.476 2399.538 10756
med_resistivity AT20 Energective CorrectedLOGS 760.476 2399.538 10756
med_resistivity AT30 Energective CorrectedLOGS 760.476 2399.538 10756
neutron_por NPHI CGG Digital Well Logs 699.6684 2380.6404 11021
neutron_por CNEU Energective CorrectedLOGS 698.9064000000001 2381.7072000000003 11043
neutron_por LTNP Energective CorrectedLOGS 827.9892000000001 2388.5652 10241
neutron_por NEU OGA Batch Unzipped 828.038 2388.614 10239
neutron_por TNPH CGG Digital Well Logs 831.1896 2388.5652 10217
pef PEFZ CGG Digital Well Logs 760.3236 2238.1464 9698
pef CPEF Energective CorrectedLOGS 773.2776 2238.6036 9616
porosity PHIE OGA Batch Unzipped 1595.0672 2369.8688 5041
shallow_resistivity AT10 Energective CorrectedLOGS 760.476 2399.538 10756
tvdss SS Energective CorrectedLOGS 697.6872000000001 2407.92 11223
vshale VSH OGA Batch Unzipped 1595.0672 2369.8688 5041
water_sat SWE OGA Batch Unzipped 1595.0672 2369.8688 5041

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/11a- 10 84 1454.506 1427.770 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_11a- 10\WELL_PATH\WDD_QC\9_11a-_10_wdd_WDD_FILE_1918270_DATACO_MAPPED.csv
9/11a- 10Z 124 2420.112 1464.318 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_11a- 10Z\WELL_PATH\WDD_QC\9_11a-_10Z_wdd_WDD_FILE_1918271_DATACO_MAPPED.csv

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