Well Data Manager / Well Summary / 41/20- 1

41/20- 1

Decommissioned

Well Header

Well No
41/20- 1
NSTA DEN No
8
Well Name
--
Drill Seq No
1
Quadrant / Block
41 / 20
Surface Location
54.360341, -0.090377
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
NEO NEXT+ ENERGY E&P UK LIMITED
Original Operator
--
Sub Area Operator
NEO NEXT+ ENERGY E&P UK LIMITED
Licence No
P39
Licence Type
Production
Spud Date
1965-09-08
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

41/20- 1 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
30.175
Ground Elev (m)
--
Water Depth (m)
58.83
TD MD (m)
3450.950
TD TVDSS (m)
0.000
TD Datum Depth (m)
30.175
TD Datum Type
Kelly Bushing
Spud Date
1965-09-08
TD Reached
1966-03-16
Completion Date
1966-03-22
Release Date
1970-03-22

Formation Tops (21)

Wellbore Formation Era MD (m) TVDSS (m) Provider
41/20- 1 Unknown 89.000 58.825 BGS LithoStrat Upper
Haisborough Mesozoic 89.000 58.825 BGS LithoStrat Upper
Keuper Undifferentiated 96.000 65.825 BGS LithoStrat Upper
Muschelkalk Undifferentiated Palaeozoic 223.000 192.825 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 430.000 399.825 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 430.000 399.825 BGS LithoStrat Upper
Saliferous Marls 659.000 628.825 BGS LithoStrat Upper
Bunter Shale Mesozoic 659.000 628.825 BGS LithoStrat Upper
Upper Evaporite 1032.000 1001.825 BGS LithoStrat Upper
Zechstein Palaeozoic 1032.000 1001.825 BGS LithoStrat Upper
Carnallitic Marls Palaeozoic 1116.000 1085.825 BGS LithoStrat Upper
Middle Evaporite Cenozoic 1144.000 1113.825 BGS LithoStrat Upper
Upper Magnesian Limestone 1180.000 1149.825 BGS LithoStrat Upper
Lower Evaporite 1256.000 1225.825 BGS LithoStrat Upper
Lower Magnesian Limestone Palaeozoic 1769.000 1738.825 BGS LithoStrat Upper
Unknown 1830.000 1799.825 BGS LithoStrat Upper
Rotliegendes 1830.000 1799.825 BGS LithoStrat Upper
Unknown 1877.000 1846.825 BGS LithoStrat Upper
Unknown 2194.000 2163.825 BGS LithoStrat Upper
Millstone Grit 2582.000 2551.825 BGS LithoStrat Upper
Unknown 3321.000 3290.825 BGS LithoStrat Upper

Lithology Intervals

41/20- 1 Curve: SANDCOUNT 249 intervals  ·  MD 221.742 – 3418.942 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/LR_SNS/San...
Sand (179)
Coal (45)
Halite (12)
Anhydrite (9)
Limestone (4)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
41/20- 1 5 2 0 16 21 7 9 1 4 View

Hydrocarbon Occurrence (4)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
41/20- 1 DST DST 2 -- 1113.4 1171.0 Not used for labelling, multiple DSTs in same play / Zechstein
41/20- 1 DST DST 1 -- 1154.9 1165.9 Label / Zechstein
41/20- 1 DST DST 4 -- 1188.1 1237.2 Not used for labelling, multiple DSTs in same play / Zechstein
41/20- 1 DST DST 3 -- 1188.1 1237.2 Not used for labelling, multiple DSTs in same play / Zechstein

Rock Samples (10)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
41/20- 1 Cuttings 124.97 3450.34 -- -- .
41/20- 1 Core #1 444.7 451.71 -- -- .
41/20- 1 Core #2 1223.16 1237.18 -- -- .
41/20- 1 Core #3 1770.89 1778.51 -- -- .
41/20- 1 Core #4 1878.48 1879.24 -- -- .
41/20- 1 Core #5 1904.7 1912.32 -- -- .
41/20- 1 Core #6 2502.1 2513.38 -- -- .
41/20- 1 Core #7 3015.39 3026.36 -- -- .
41/20- 1 Core #8 3377.79 3381.76 -- -- .
41/20- 1 Core #9 3437.53 3450.95 -- -- .

Wireline Log Inventory (Ingested Curves)

No wireline log curves ingested for this well.

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

No scanned LAS source files matched to this well.

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
41/20- 1 0 -- -- --

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