211/18a-N7

Decommissioned

Well Header

Well No
211/18a-N7
NSTA DEN No
5875
Well Name
--
Drill Seq No
7
Quadrant / Block
211 / 18 a
Surface Location
61.497404, 1.597863
Source Datum
ED50
Subsea Well
Unknown
Platform
N
Slot No
03
Operator
ENQUEST HEATHER LIMITED
Original Operator
--
Sub Area Operator
BRITOIL LIMITED
Licence No
P236
Licence Type
Production
Spud Date
1996-06-26
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

211/18a-N7 Original
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Injector
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.300
Ground Elev (m)
--
Water Depth (m)
171.30
TD MD (m)
4809.744
TD TVDSS (m)
3603.346
TD Datum Depth (m)
25.908
TD Datum Type
Rotary Table
Spud Date
1996-06-26
TD Reached
1996-08-31
Completion Date
2015-10-28
Release Date
2019-10-28

Formation Tops (14)

Wellbore Formation Era MD (m) TVDSS (m) Provider
211/18a-N7 Unknown 190.000 164.700 BGS LithoStrat Upper
Shetland Mesozoic 3786.000 3760.700 BGS LithoStrat Upper
Shetland Mesozoic 4374.000 4348.700 BGS LithoStrat Upper
Cromer Knoll Mesozoic 4414.000 4388.700 BGS LithoStrat Upper
Kimmeridge Clay 4486.000 4460.700 BGS LithoStrat Upper
Heather Mesozoic 4582.000 4556.700 BGS LithoStrat Upper
Tarbert Mesozoic 4656.000 4630.700 BGS LithoStrat Upper
Etive Zone 3 4668.000 4642.700 BGS LithoStrat Upper
Etive Zone 4 4694.000 4668.700 BGS LithoStrat Upper
Rannoch Zone 5 4699.000 4673.700 BGS LithoStrat Upper
Rannoch Zone 6 4730.000 4704.700 BGS LithoStrat Upper
Rannoch Shale Member 4769.000 4743.700 BGS LithoStrat Upper
Brent Mesozoic 4786.000 4760.700 BGS LithoStrat Upper
Dunlin Mesozoic 4789.000 4763.700 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
211/18a-N7 0 0 0 14 14 0 2 0 0 View

Hydrocarbon Occurrence (5)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
211/18a-N7 Oil shows OS Tarbert Formation 4655.5152 -- 13 m thick
211/18a-N7 Oil shows OS ETI3 4668.3168000000005 -- 26 m thick
211/18a-N7 Oil shows OS ETI4 4693.92 -- 5 m thick
211/18a-N7 Oil shows OS RAN5 4699.1016 -- 30 m thick
211/18a-N7 Oil shows OS RAN6 4729.5816 -- 40 m thick

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
211/18a-N7 Core #1 4656.73 4693.31 -- -- --
211/18a-N7 Core #2 4693.31 4729.89 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
211/18a-N7 189.2808074951172 4791.4560546875 10 0 2026-08-06 11:05:21.343338+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
211/18a-N7
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density CDEN Energective CorrectedLOGS 3786.0732000000003 4791.456 6598
comp_sonic DTC Energective CorrectedLOGS 3820.2108000000003 4771.1868 5974
deep_resistivity RES_DEP OGA Batch Unzipped 3740.0484 4791.456 6900
deep_resistivity AT90 Energective CorrectedLOGS 3787.902 4791.456 6586
density_correction DENC OGA Batch Unzipped 3740.0484 4791.456 6900
density_correction CDRH Energective CorrectedLOGS 3787.2924000000003 4791.456 6590
gamma_ray GRI Energective CorrectedLOGS 189.2808 4791.1512 30197
med_resistivity AT60 Energective CorrectedLOGS 3787.902 4791.456 6586
med_resistivity RES_MED OGA Batch Unzipped 3740.0484 4791.456 6900
med_resistivity AT30 Energective CorrectedLOGS 3786.0732000000003 4791.456 6598
med_resistivity AT20 Energective CorrectedLOGS 3787.2924000000003 4791.456 6590
neutron_por TNPH Energective CorrectedLOGS 3751.1736 4791.456 6827
neutron_por NEU OGA Batch Unzipped 3740.0484 4791.456 6900
pef CPEF Energective CorrectedLOGS 3786.8352 4791.456 6593
shallow_resistivity AT10 Energective CorrectedLOGS 3786.0732000000003 4791.456 6598
shallow_resistivity RES_SLW OGA Batch Unzipped 3740.0484 4791.456 6900
shear_sonic DTS Energective CorrectedLOGS 3690.9756 4771.3392 4690
tvdss SS Energective CorrectedLOGS 189.2808 4791.7608 30201
vshale VSGR Energective CorrectedLOGS 3786.378 4784.9028 6553
vshale VSH Energective CorrectedLOGS 3786.378 4784.9028 6553

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
211/18a-N7 0 -- -- --

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