41/18- 1

Decommissioned

Well Header

Well No
41/18- 1
NSTA DEN No
1724
Well Name
--
Drill Seq No
1
Quadrant / Block
41 / 18
Surface Location
54.390893, -0.411775
Source Datum
ED50
Subsea Well
Unknown
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
ML13
Licence Type
ML
Spud Date
1966-07-06
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

41/18- 1 Original
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)
31.394
Ground Elev (m)
--
Water Depth (m)
42.37
TD MD (m)
2036.369
TD TVDSS (m)
0.000
TD Datum Depth (m)
31.394
TD Datum Type
Kelly Bushing
Spud Date
1966-07-06
TD Reached
1966-07-21
Completion Date
1966-07-21
Release Date
1970-07-21

Formation Tops (21)

Wellbore Formation Era MD (m) TVDSS (m) Provider
41/18- 1 Lower Lias 74.000 42.606 BGS LithoStrat Upper
Haisborough Mesozoic 184.000 152.606 BGS LithoStrat Upper
Rhaetic Undifferentiated 184.000 152.606 BGS LithoStrat Upper
Tea Green Marl 198.000 166.606 BGS LithoStrat Upper
Keuper Undifferentiated 205.000 173.606 BGS LithoStrat Upper
Muschelkalk Undifferentiated Palaeozoic 338.000 306.606 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 506.000 474.606 BGS LithoStrat Upper
Bunter Undifferentiated Mesozoic 507.000 475.606 BGS LithoStrat Upper
Bunter Shale Mesozoic 789.000 757.606 BGS LithoStrat Upper
Saliferous Marls 789.000 757.606 BGS LithoStrat Upper
Zechstein Palaeozoic 984.000 952.606 BGS LithoStrat Upper
Upper Evaporite 984.000 952.606 BGS LithoStrat Upper
Carnallitic Marls Palaeozoic 1045.000 1013.606 BGS LithoStrat Upper
Middle Evaporite Cenozoic 1072.000 1040.606 BGS LithoStrat Upper
Upper Magnesian Limestone 1113.000 1081.606 BGS LithoStrat Upper
Lower Evaporite 1172.000 1140.606 BGS LithoStrat Upper
Lower Magnesian Limestone Palaeozoic 1506.000 1474.606 BGS LithoStrat Upper
Marl Slate 1612.000 1580.606 BGS LithoStrat Upper
Marl Slate 1613.000 1581.606 BGS LithoStrat Upper
Millstone Grit 1715.000 1683.606 BGS LithoStrat Upper
Upper Bowland Shale 1998.000 1966.606 BGS LithoStrat Upper

Lithology Intervals

41/18- 1 Curve: SANDCOUNT 189 intervals  ·  MD 118.567 – 2049.628 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/LR_SNS/San...
Sand (95)
Anhydrite (40)
Limestone (20)
Coal (18)
Halite (16)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
41/18- 1 4 1 0 17 21 0 17 1 0 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
41/18- 1 Gas shows GS Bunter (Undifferentiated) [Obsolete] 506.5776 -- 283 m thick
41/18- 1 Gas G Lower Magnesian Limestone (Durham) [Obsolete: use CDF, RML] 1505.712 -- 107 m thick

Rock Samples (18)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
41/18- 1 Cuttings 99.06 2068.07 -- -- came in as A339/1 - 2 .
41/18- 1 Core #1 499.87 524.56 -- -- part core .
41/18- 1 Core #2 1113.74 1132.33 -- -- .
41/18- 1 Core #3 1132.33 1150.92 -- -- .
41/18- 1 Core #4 1150.92 1169.21 -- -- .
41/18- 1 Core #5 1169.21 1174.7 -- -- .
41/18- 1 Core #6 1509.37 1527.35 -- -- .
41/18- 1 Core #7 1527.96 1542.59 -- -- .
41/18- 1 Core #8 1542.59 1560.88 -- -- .
41/18- 1 Core #9 1560.88 1579.47 -- -- .
41/18- 1 Core #10 1579.47 1597.76 -- -- .
41/18- 1 Core #11 1597.76 1616.05 -- -- .
41/18- 1 Core #12 1616.05 1631.59 -- -- .
41/18- 1 Core #13 1631.9 1647.75 -- -- .
41/18- 1 Core #14 1645.01 1647.75 -- -- .
41/18- 1 Core #15 1841.91 1843.74 -- -- .
41/18- 1 Core #16 1880.62 1886.41 -- -- .
41/18- 1 Core #17 2044.6 2054.05 -- -- .

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
41/18- 1 0 -- -- --

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