Well Data Manager / Well Summary / 211/21a- 17

211/21a- 17

Present

Well Header

Well No
211/21a- 17
NSTA DEN No
6254
Well Name
--
Drill Seq No
17
Quadrant / Block
211 / 21 a
Surface Location
61.309067, 1.040086
Source Datum
ED50
Subsea Well
Yes
Platform
--
Slot No
--
Operator
TAQA BRATANI LIMITED
Original Operator
--
Sub Area Operator
TAQA BRATANI LIMITED
Licence No
P296
Licence Type
Production
Spud Date
1997-10-30
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

211/21a- 17 Original
Abandoned Phase 1 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
D
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
28.042
Ground Elev (m)
--
Water Depth (m)
159.41
TD MD (m)
3276.030
TD TVDSS (m)
3193.910
TD Datum Depth (m)
26.213
TD Datum Type
Kelly Bushing
Spud Date
1997-10-30
TD Reached
1997-12-07
Completion Date
1997-12-26
Release Date
2001-12-26
211/21a- 17Z Sidetrack Z parent: 211/21a- 17
Completed (Shut In) View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
P1
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
28.042
Ground Elev (m)
--
Water Depth (m)
159.41
TD MD (m)
2958.730
TD TVDSS (m)
2784.507
TD Datum Depth (m)
28.042
TD Datum Type
Kelly Bushing
Spud Date
2001-08-10
TD Reached
2001-08-13
Completion Date
2001-08-28
Release Date
2005-08-28

Formation Tops (31)

Wellbore Formation Era MD (m) TVDSS (m) Provider
211/21a- 17 Unknown 187.000 158.958 BGS LithoStrat Upper
Hutton Sand Formation Palaeozoic 636.000 607.940 BGS LithoStrat Upper
Hutton Clay Formation 923.000 894.898 BGS LithoStrat Upper
Balder Cenozoic 1308.000 1279.850 BGS LithoStrat Upper
Sele Mesozoic 1339.000 1310.836 BGS LithoStrat Upper
Ninian Sands Equivalent 1360.000 1331.819 BGS LithoStrat Upper
Lista Mesozoic 1363.000 1334.817 BGS LithoStrat Upper
Maureen Mesozoic 1568.000 1538.935 BGS LithoStrat Upper
Shetland F 1588.000 1558.709 BGS LithoStrat Upper
Shetland E 1601.000 1571.562 BGS LithoStrat Upper
Shetland E Limestone Member 1885.000 1852.339 BGS LithoStrat Upper
Shetland D 1910.000 1877.079 BGS LithoStrat Upper
Shetland C 2563.000 2505.476 BGS LithoStrat Upper
Upper Valhall Mesozoic 2610.000 2550.026 BGS LithoStrat Upper
Lower Valhall Mesozoic 2631.000 2569.971 BGS LithoStrat Upper
Kimmeridge Clay 2647.000 2585.178 BGS LithoStrat Upper
Kimmeridge Clay 2697.000 2632.823 BGS LithoStrat Upper
Heather Mesozoic 2711.000 2646.194 BGS LithoStrat Upper
Ness Mesozoic 2774.000 2706.531 BGS LithoStrat Upper
Etive Mesozoic 2792.000 2723.806 BGS LithoStrat Upper
Rannoch Mesozoic 2816.000 2746.864 BGS LithoStrat Upper
Drake Mesozoic 2851.000 2780.538 BGS LithoStrat Upper
Cook Mesozoic 2861.000 2790.177 BGS LithoStrat Upper
Burton Mesozoic 2875.000 2803.672 BGS LithoStrat Upper
Amundsen 2889.000 2817.187 BGS LithoStrat Upper
New Red Sandstone 2902.000 2829.740 BGS LithoStrat Upper
Upper Cormorant 1 2910.000 2837.471 BGS LithoStrat Upper
Upper Cormorant 2 3065.000 2987.747 BGS LithoStrat Upper
Upper Cormorant 2 3149.000 3069.612 BGS LithoStrat Upper
Lower Cormorant Formation Mesozoic 3228.000 3146.867 BGS LithoStrat Upper
Lower Cormorant Formation Mesozoic 3231.000 3149.803 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
211/21a- 17 0 0 0 31 31 0 0 1 0 View
211/21a- 17Z 0 0 0 0 0 0 0 0 0

Hydrocarbon Occurrence (3)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
211/21a- 17 Oil shows OS Ness Formation 2773.6800000000003 -- 18 m thick
211/21a- 17 Oil OW Etive Formation 2791.9680000000003 -- 24 m thick
211/21a- 17 Oil shows OS Rannoch Formation 2815.7424 -- 35 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
211/21a- 17 Cuttings 646.18 3276.6 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
211/21a- 17 45.11040115356445 3275.685546875 14 0 2026-08-06 11:18:10.340728+00 View Log
211/21a- 17Z 2392.679931640625 2945.434814453125 8 0 2026-08-06 11:18:26.049453+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
211/21a- 17
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
apparent_water_resistivity RWA Energective CorrectedLOGS 1732.9404000000002 3224.6316 1591
bulk_density CDEN Energective CorrectedLOGS 859.6884 3256.788 15370
bulk_density DEN OGA Batch Unzipped 1667.256 3258.4644000000003 10442
caliper CALI OGA Batch Unzipped 1667.256 3256.788 10431
caliper CLD Energective CorrectedLOGS 881.1768000000001 3257.0928000000004 15283
comp_sonic DT OGA Batch Unzipped 1667.256 3263.1888000000004 10473
comp_sonic DTC Energective CorrectedLOGS 867.4608000000001 3256.788 15346
deep_resistivity AT90 Energective CorrectedLOGS 1671.828 3273.2472000000002 10509
deep_resistivity RES_DEP OGA Batch Unzipped 1667.256 3270.9612 10524
deep_resistivity LLD Energective CorrectedLOGS 881.7864000000001 1630.9848000000002 4917
density_correction CDRH Energective CorrectedLOGS 858.3168000000001 3257.3976000000002 15374
density_correction DENC OGA Batch Unzipped 1667.256 3257.0928000000004 10433
gamma_ray GRI Energective CorrectedLOGS 45.110400000000006 3249.9300000000003 20675
gamma_ray GR OGA Batch Unzipped 1667.256 3249.7776000000003 10385
med_resistivity AT60 Energective CorrectedLOGS 1671.828 3275.6856000000002 10525
med_resistivity RES_MED OGA Batch Unzipped 1667.256 3270.9612 10524
med_resistivity AT20 Energective CorrectedLOGS 1671.3708000000001 3275.6856000000002 10528
med_resistivity AT30 Energective CorrectedLOGS 1671.6756 3272.6376 10506
micro_resistivity RES_MIC OGA Batch Unzipped 2068.2204 3261.2076 7829
micro_resistivity MLL Energective CorrectedLOGS 881.3292 1636.3188 4955
neutron_por NEU OGA Batch Unzipped 1667.256 3251.7588 10398
neutron_por CNEU Energective CorrectedLOGS 883.158 3246.2724000000003 15165
pef CPEF Energective CorrectedLOGS 859.6884 3257.2452000000003 15373
porosity POR Energective CorrectedLOGS 881.3292 3249.7776000000003 15279
shallow_resistivity AT10 Energective CorrectedLOGS 1671.3708000000001 3274.3140000000003 10519
shallow_resistivity LLS Energective CorrectedLOGS 881.7864000000001 1630.9848000000002 4917
tvdss SS Energective CorrectedLOGS 45.110400000000006 3275.9904 21201
vshale VSH Energective CorrectedLOGS 814.7304 3249.7776000000003 15979
vshale VSGR Energective CorrectedLOGS 814.7304 3249.7776000000003 15465
water_sat SW Energective CorrectedLOGS 881.3292 3249.7776000000003 15279
water_sat_xo SXO Energective CorrectedLOGS 881.3292 3249.7776000000003 15279
211/21a- 17Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 2392.6800000000003 2930.1948 3528
bulk_density CDEN Energective CorrectedLOGS 2392.6800000000003 2930.1948 3528
caliper CALI OGA Batch Unzipped 2820.3144 2926.842 700
caliper CLD Energective CorrectedLOGS 2820.3144 2926.842 700
deep_resistivity CRSD Energective CorrectedLOGS 2392.6800000000003 2945.4348 3628
deep_resistivity RES_DEP OGA Batch Unzipped 2392.6800000000003 2945.4348 3628
density_correction DENC OGA Batch Unzipped 2392.6800000000003 2930.1948 3528
density_correction CDRH Energective CorrectedLOGS 2392.6800000000003 2930.1948 3527
gamma_ray GR OGA Batch Unzipped 2392.6800000000003 2945.2824 3627
gamma_ray GRI Energective CorrectedLOGS 2392.6800000000003 2945.2824 3627
med_resistivity RES_MED OGA Batch Unzipped 2392.6800000000003 2945.4348 3628
neutron_por NEU OGA Batch Unzipped 2392.6800000000003 2929.128 3521
neutron_por CNEU Energective CorrectedLOGS 2392.6800000000003 2929.128 3521
tvdss SS Energective CorrectedLOGS 2392.6800000000003 2945.5872 3629
vshale VSGR Energective CorrectedLOGS 2397.7092000000002 2945.2824 3594
vshale VSH Energective CorrectedLOGS 2397.7092000000002 2945.2824 3594

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
211/21a- 17 103 3253.130 3171.465 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_21a- 17\WELL_PATH\WDD_QC\211_21a-_17_wdd_WDD_FILE_1681945_DATACO_MAPPED.csv
211/21a- 17Z 95 2958.694 2784.190 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_21a- 17Z\WELL_PATH\WDD_QC\211_21a-_17Z_wdd_WDD_FILE_1681946_DATACO_MAPPED.csv

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