Well Data Manager / Well Summary / 211/12a-M8

211/12a-M8

Present

Well Header

Well No
211/12a-M8
NSTA DEN No
2717
Well Name
--
Drill Seq No
8
Quadrant / Block
211 / 12 a
Surface Location
61.619622, 1.305422
Source Datum
ED50
Subsea Well
No
Platform
M
Slot No
C-5
Operator
ENQUEST HEATHER LIMITED
Original Operator
--
Sub Area Operator
ENQUEST HEATHER LIMITED
Licence No
P193
Licence Type
Production
Spud Date
1985-07-06
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (3)

211/12a-M8 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
CE
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
57.000
Ground Elev (m)
--
Water Depth (m)
185.00
TD MD (m)
3791.999
TD TVDSS (m)
--
TD Datum Depth (m)
56.967
TD Datum Type
Kelly Bushing
Spud Date
1985-07-06
TD Reached
1985-08-05
Completion Date
1985-11-09
Release Date
1989-11-09
211/12a-M8A Sidetrack A parent: 211/12a-M8
Abandoned Phase 2 View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
CE
Well Seq
WB2
Datum Type
Rotary Table
Datum Elev (m)
57.000
Ground Elev (m)
--
Water Depth (m)
185.00
TD MD (m)
3450.000
TD TVDSS (m)
3227.370
TD Datum Depth (m)
58.064
TD Datum Type
Kelly Bushing
Spud Date
1985-10-29
TD Reached
1985-11-28
Completion Date
1985-12-06
Release Date
1989-12-06
211/12a-M8J Sidetrack J parent: 211/12a-M8
Abandoned Phase 2 Survey
Current Intent
Development
Original Intent
Development
Flow Class
--
Dev Type
Producer
Convention
Conventional
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
57.001
Ground Elev (m)
--
Water Depth (m)
185.00
TD MD (m)
--
TD TVDSS (m)
--
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1985-08-13
TD Reached
1985-08-19
Completion Date
--
Release Date
1989-08-19

Formation Tops (10)

Wellbore Formation Era MD (m) TVDSS (m) Provider
211/12a-M8 Shetland D 3425.000 2695.357 BGS LithoStrat Upper
Cromer Knoll Mesozoic 3553.000 2813.456 BGS LithoStrat Upper
Upper Kimmeridge Clay Mesozoic 3590.000 2847.920 BGS LithoStrat Upper
Magnus Sandstone Mesozoic 3658.000 2912.150 BGS LithoStrat Upper
Lower Kimmeridge Clay Mesozoic 3773.000 3020.563 BGS LithoStrat Upper
211/12a-M8A Shetland D 3050.000 2993.000 BGS LithoStrat Upper
Cromer Knoll Mesozoic 3225.000 3168.000 BGS LithoStrat Upper
Upper Kimmeridge Clay Mesozoic 3243.000 3186.000 BGS LithoStrat Upper
Magnus Sandstone Mesozoic 3278.000 3221.000 BGS LithoStrat Upper
Lower Kimmeridge Clay Mesozoic 3422.000 3365.000 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
211/12a-M8 0 0 0 5 5 0 0 0 0 View
211/12a-M8A 0 0 0 5 5 0 1 1 0 View
211/12a-M8J 0 0 0 0 0 0 0 0 0

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
211/12a-M8A Oil shows OS Magnus Sandstone Member 3277.660704 -- 145 m thick

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
211/12a-M8A Cuttings 3120.97 3831.95 -- -- in as 211/12A-M 8Z .
211/12a-M8A Core #1 3359.96 3377.95 -- -- came in as 211/12A-M 8Z .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
211/12a-M8 3466.795166015625 3843.680419921875 10 0 2026-08-08 01:23:45.535713+00 View Log
211/12a-M8A 3060.03955078125 3443.935302734375 5 0 2026-08-06 10:48:29.540703+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
211/12a-M8
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density CDEN Energective CorrectedLOGS 3473.04350856 3835.29391944 2377
bulk_density DEN OGA Batch Unzipped 3110.789 3442.106 2175
caliper CALI OGA Batch Unzipped 3105.76 3443.935 2220
caliper CLD Energective CorrectedLOGS 3466.9476 3843.6758280000004 2473
comp_sonic DT OGA Batch Unzipped 3434.48651 3828.13557 2584
comp_sonic DTC Energective CorrectedLOGS 3471.97673904 3828.1312108800003 2338
deep_resistivity ILD Energective CorrectedLOGS 3473.34830856 3835.5987194400004 2378
deep_resistivity RES_DEP OGA Batch Unzipped 3053.791 3445.459 2571
density_correction DENC OGA Batch Unzipped 3466.7953 3838.80357 2442
density_correction CDRH Energective CorrectedLOGS 3473.5007085600005 3838.79905848 2378
gamma_ray GR OGA Batch Unzipped 3053.791 3447.745 2586
gamma_ray GRI Energective CorrectedLOGS 3466.7952 3835.29391944 2419
neutron_por CNEU Energective CorrectedLOGS 3466.7952 3840.3230584800003 2452
porosity PHIT OGA Batch Unzipped 3585.21006 3834.99357 1640
tvdss SS Energective CorrectedLOGS 3466.4904 3843.8281975200002 2477
vshale VSH OGA Batch Unzipped 3585.21006 3834.99357 1640
water_sat SWT OGA Batch Unzipped 3585.21006 3834.99357 1640
211/12a-M8A
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
comp_sonic DT OGA Batch Unzipped 3060.03953 3433.57192 2269
density_correction DENC OGA Batch Unzipped 3105.75953 3443.93512 2220
porosity PHIT OGA Batch Unzipped 3112.92233 3441.95392 2160
vshale VSH OGA Batch Unzipped 3112.92233 3441.95392 2160
water_sat SWT OGA Batch Unzipped 3112.92233 3441.95392 2160

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
211/12a-M8 128 3408.000 2943.850 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_12a-M8\WELL_PATH\WDD_QC\211_12a-M8A_wdd_WDD_FILE_234043648_DATACO_MAPPED.csv
211/12a-M8 170 3850.000 3093.669 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_12a-M8\WELL_PATH\WDD_QC\211_12a-M8_wdd_WDD_FILE_1683614_DATACO_MAPPED.csv
211/12a-M8A 0 -- -- --
211/12a-M8J 0 -- -- --

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