Well Data Manager / Well Summary / 211/26-A1

211/26-A1

Present

Well Header

Well No
211/26-A1
NSTA DEN No
1295
Well Name
--
Drill Seq No
1
Quadrant / Block
211 / 26
Surface Location
61.102266, 1.071027
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
A-03
Operator
TAQA BRATANI LIMITED
Original Operator
--
Sub Area Operator
TAQA BRATANI LIMITED
Licence No
P232
Licence Type
Production
Spud Date
1978-12-24
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

211/26-A1 Original
Abandoned Phase 2 View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
48.768
Ground Elev (m)
--
Water Depth (m)
152.10
TD MD (m)
3589.934
TD TVDSS (m)
2994.660
TD Datum Depth (m)
48.768
TD Datum Type
Kelly Bushing
Spud Date
1978-12-24
TD Reached
1979-04-12
Completion Date
1979-12-10
Release Date
1983-12-10

Formation Tops (16)

Wellbore Formation Era MD (m) TVDSS (m) Provider
211/26-A1 Unknown 191.000 142.232 BGS LithoStrat Upper
Shetland Mesozoic 3170.000 2689.321 BGS LithoStrat Upper
Alwyn Marl Formation 3210.000 2718.999 BGS LithoStrat Upper
Kimmeridge Clay 3253.000 2750.061 BGS LithoStrat Upper
Heather Mesozoic 3303.000 2786.141 BGS LithoStrat Upper
Upper Ness Member Mesozoic 3379.000 2841.350 BGS LithoStrat Upper
Mid Ness Shale 3396.000 2853.826 BGS LithoStrat Upper
Lower Ness Member Mesozoic 3399.000 2856.029 BGS LithoStrat Upper
Etive Mesozoic 3416.000 2868.562 BGS LithoStrat Upper
Upper Rannoch Mesozoic 3445.000 2890.086 BGS LithoStrat Upper
Lower Rannoch Mesozoic 3459.000 2900.531 BGS LithoStrat Upper
Broom Mesozoic 3467.000 2906.584 BGS LithoStrat Upper
Dunlin Mesozoic 3477.000 2914.234 BGS LithoStrat Upper
Dunlin A Member Pre-Cambrian 3543.000 2965.560 BGS LithoStrat Upper
Statfjord Mesozoic 3568.000 2985.079 BGS LithoStrat Upper
Cormorant Mesozoic 3570.000 2986.640 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
211/26-A1 0 0 0 16 16 0 0 0 0 View

Hydrocarbon Occurrence (10)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
211/26-A1 Oil O Ness Formation 3379.0128 -- 17 m thick
211/26-A1 Oil O Ness Formation 3396.0816 -- 2 m thick
211/26-A1 Oil O Ness Formation 3398.52 -- 17 m thick
211/26-A1 Oil O Etive Formation 3415.5888 -- 30 m thick
211/26-A1 Oil O URAN 3445.4592000000002 -- 14 m thick
211/26-A1 Oil O LRAN 3459.1752 -- 8 m thick
211/26-A1 Oil O Broom Formation 3467.1000000000004 -- 9 m thick
211/26-A1 Oil O DA 3543.3 -- 24 m thick
211/26-A1 Oil O Statfjord Formation 3567.684 -- 3 m thick
211/26-A1 Oil O Cormorant Formation 3570.4272 -- 20 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
211/26-A1 2016.5567626953125 3587.343505859375 11 0 2026-08-06 11:25:31.552249+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
211/26-A1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 3169.92 3581.8572000000004 2704
bulk_density CDEN Energective CorrectedLOGS 3171.1392 3581.8572000000004 2645
caliper CALI OGA Batch Unzipped 3169.92 3587.3436 2686
caliper CLD Energective CorrectedLOGS 3169.92 3587.3436 2686
comp_sonic DT OGA Batch Unzipped 2016.5568 3580.0284 10260
comp_sonic DTC Energective CorrectedLOGS 2016.5568 3580.0284 10260
deep_resistivity RES_DEP OGA Batch Unzipped 2016.5568 3580.6380000000004 10264
deep_resistivity ILD Energective CorrectedLOGS 2016.5568 3585.0576 10278
deep_resistivity LLD Energective CorrectedLOGS 3231.1848 3580.7904000000003 2295
density_correction DENC OGA Batch Unzipped 3169.92 3581.5524 2702
density_correction CDRH Energective CorrectedLOGS 3169.92 3581.2476 2699
gamma_ray GRI Energective CorrectedLOGS 2016.5568 3577.59 10183
gamma_ray GR OGA Batch Unzipped 2016.5568 3577.59 10244
med_resistivity RES_MED OGA Batch Unzipped 2016.5568 3580.6380000000004 10264
neutron_por NEU OGA Batch Unzipped 3169.92 3578.8092 2625
neutron_por CNEU Energective CorrectedLOGS 3169.92 3578.8092 2625
shallow_resistivity LLS Energective CorrectedLOGS 3231.1848 3580.7904000000003 2295
sp SP Energective CorrectedLOGS 2016.5568 3585.0576 10293
tvdss SS Energective CorrectedLOGS 2016.5568 3587.496 10309
vshale VSGR Energective CorrectedLOGS 2016.5568 3577.4376 10182
vshale VSH Energective CorrectedLOGS 2028.7488 3577.4376 10163

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
211/26-A1 139 3589.934 3002.204 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_26-A1\WELL_PATH\WDD_QC\211_26-A1_wdd_WDD_FILE_1674003_DATACO_MAPPED.csv

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