211/18-A30

Present

Well Header

Well No
211/18-A30
NSTA DEN No
1610
Well Name
--
Drill Seq No
30
Quadrant / Block
211 / 18
Surface Location
61.362691, 1.577578
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
A-40
Operator
ENQUEST HEATHER LIMITED
Original Operator
--
Sub Area Operator
ENQUEST HEATHER LIMITED
Licence No
P236
Licence Type
Production
Spud Date
1978-05-23
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

211/18-A30 Original
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)
45.110
Ground Elev (m)
--
Water Depth (m)
161.54
TD MD (m)
3065.070
TD TVDSS (m)
2919.070
TD Datum Depth (m)
45.110
TD Datum Type
Kelly Bushing
Spud Date
1978-05-23
TD Reached
1980-12-29
Completion Date
1981-01-05
Release Date
1985-01-05
211/18-A30Z Sidetrack Z parent: 211/18-A30
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
45.110
Ground Elev (m)
--
Water Depth (m)
161.54
TD MD (m)
3055.470
TD TVDSS (m)
2930.652
TD Datum Depth (m)
45.110
TD Datum Type
Kelly Bushing
Spud Date
1981-01-06
TD Reached
1981-01-16
Completion Date
1981-01-28
Release Date
1985-01-28

Formation Tops (22)

Wellbore Formation Era MD (m) TVDSS (m) Provider
211/18-A30 Unknown 2743.000 2697.890 BGS LithoStrat Upper
Unknown 2792.000 2746.890 BGS LithoStrat Upper
Red Claystone 2808.000 2762.890 BGS LithoStrat Upper
Basal Limestone Palaeozoic 2831.000 2785.890 BGS LithoStrat Upper
Kimmeridge Clay 2883.000 2837.890 BGS LithoStrat Upper
Heather Mesozoic 2900.000 2854.890 BGS LithoStrat Upper
Brent Mesozoic 2920.000 2874.890 BGS LithoStrat Upper
Brent Mesozoic 2954.000 2908.890 BGS LithoStrat Upper
Brent Mesozoic 2983.000 2937.890 BGS LithoStrat Upper
Brent Mesozoic 3005.000 2959.890 BGS LithoStrat Upper
Brent Mesozoic 3020.000 2974.890 BGS LithoStrat Upper
211/18-A30Z Unknown 2743.000 2697.890 BGS LithoStrat Upper
Unknown 2778.000 2732.890 BGS LithoStrat Upper
Red Claystone 2790.000 2744.890 BGS LithoStrat Upper
Basal Limestone Palaeozoic 2809.000 2763.890 BGS LithoStrat Upper
Kimmeridge Clay 2865.000 2819.890 BGS LithoStrat Upper
Heather Mesozoic 2874.000 2828.890 BGS LithoStrat Upper
Brent Mesozoic 2920.000 2874.890 BGS LithoStrat Upper
Brent Mesozoic 2952.000 2906.890 BGS LithoStrat Upper
Brent Mesozoic 2981.000 2935.890 BGS LithoStrat Upper
Brent Mesozoic 3004.000 2958.890 BGS LithoStrat Upper
Brent Mesozoic 3017.000 2971.890 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
211/18-A30 0 0 0 11 11 0 7 0 0 View
211/18-A30Z 0 0 0 11 11 0 7 0 0 View

Hydrocarbon Occurrence (5)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
211/18-A30 Oil shows OS Heather Formation 2900.4768000000004 -- 20 m thick
211/18-A30 Oil shows OS Brent Group 2919.984 -- 34 m thick
211/18-A30Z Oil shows OS Heather Formation 2873.6544000000004 -- 46 m thick
211/18-A30Z Oil shows OS Brent Group 2919.984 -- 32 m thick
211/18-A30Z Oil shows OS Brent Group 2952.2928 -- 28 m thick

Rock Samples (14)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
211/18-A30 Core #1 2898.65 2904.13 -- -- well re-boxed (originally curated Sep`81)
211/18-A30 Core #2 2917.85 2935.99 -- -- --
211/18-A30 Core #3 2936.14 2954.43 -- -- --
211/18-A30 Core #4 2954.43 2954.73 -- -- --
211/18-A30 Core #5 2982.29 2983.08 -- -- --
211/18-A30 Core #6 2983.08 2991.31 -- -- --
211/18-A30 Core #7 2991.31 3001.55 -- -- --
211/18-A30Z Core #1 2865.73 2875.67 -- -- originally curated incorrectly as 211/18-A7 in Nov'81 - re-boxed and corrected
211/18-A30Z Core #2 2876.09 2888.13 -- -- --
211/18-A30Z Core #3 2888.28 2906.57 -- -- --
211/18-A30Z Core #4 2906.57 2924.4 -- -- --
211/18-A30Z Core #5 2924.86 2942.84 -- -- --
211/18-A30Z Core #6 2942.84 2952.66 -- -- --
211/18-A30Z Core #7 2952.66 2970.14 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
211/18-A30 1841.1444091796875 3076.194091796875 9 0 2026-08-06 11:00:47.295725+00 View Log
211/18-A30Z 1848.916748046875 3058.515625 8 0 2026-08-06 11:00:48.804853+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
211/18-A30
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 2741.676 3067.05 2136
bulk_density CDEN Energective CorrectedLOGS 2741.676 3076.194 2196
caliper CALI OGA Batch Unzipped 2741.676 3067.05 2136
caliper CLD Energective CorrectedLOGS 2741.676 3067.05 2136
comp_sonic DT OGA Batch Unzipped 1863.0900000000001 3067.3548 7903
comp_sonic DTC Energective CorrectedLOGS 1862.9376000000002 3055.0104 7823
deep_resistivity RES_DEP OGA Batch Unzipped 1863.0900000000001 3067.3548 7903
deep_resistivity ILD Energective CorrectedLOGS 1862.9376000000002 3064.1544000000004 7883
density_correction DENC OGA Batch Unzipped 2741.676 3067.05 2136
density_correction CDRH Energective CorrectedLOGS 2741.676 3075.1272000000004 2189
gamma_ray GR OGA Batch Unzipped 1841.1444000000001 3067.05 8045
gamma_ray GRI Energective CorrectedLOGS 1841.1444000000001 3067.8120000000004 8050
med_resistivity ILM Energective CorrectedLOGS 1862.9376000000002 3065.5260000000003 7892
med_resistivity RES_MED OGA Batch Unzipped 1863.0900000000001 3067.3548 7903
neutron_por NEU OGA Batch Unzipped 2742.1332 3067.05 2133
neutron_por CNEU Energective CorrectedLOGS 2742.438 3068.574 2141
pef CPEF Energective CorrectedLOGS 2741.676 3074.67 2186
tvdss SS Energective CorrectedLOGS 1840.9920000000002 3076.3464000000004 8107
211/18-A30Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 2741.3712 3050.8956000000003 2032
bulk_density CDEN Energective CorrectedLOGS 2741.3712 3056.6868 2070
caliper CALI OGA Batch Unzipped 2741.3712 3050.8956000000003 2032
caliper CLD Energective CorrectedLOGS 2741.3712 3057.2964 2074
comp_sonic DTC Energective CorrectedLOGS 1862.7852 3047.5428 7775
comp_sonic DT OGA Batch Unzipped 1863.0900000000001 3051.0480000000002 7796
deep_resistivity ILD Energective CorrectedLOGS 1862.7852 3058.5156 7847
deep_resistivity RES_DEP OGA Batch Unzipped 1863.0900000000001 3051.0480000000002 7796
density_correction DENC OGA Batch Unzipped 2741.3712 3050.8956000000003 2032
density_correction CDRH Energective CorrectedLOGS 2741.3712 3056.9916000000003 2072
gamma_ray GRI Energective CorrectedLOGS 1848.9168000000002 3051.3528 7891
gamma_ray GR OGA Batch Unzipped 1848.9168000000002 3050.8956000000003 7888
med_resistivity ILM Energective CorrectedLOGS 1862.7852 3058.5156 7847
med_resistivity RES_MED OGA Batch Unzipped 1863.0900000000001 3051.0480000000002 7796
neutron_por CNEU Energective CorrectedLOGS 2741.3712 3057.4488 2075
neutron_por NEU OGA Batch Unzipped 2741.3712 3050.8956000000003 2032
tvdss SS Energective CorrectedLOGS 1848.9168000000002 3058.668 7939

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
211/18-A30 0 -- -- --
211/18-A30Z 0 -- -- --

Related Documents

Open Document Search
Searching related documents...