43/18- 1

Decommissioned

Well Header

Well No
43/18- 1
NSTA DEN No
2995
Well Name
--
Drill Seq No
1
Quadrant / Block
43 / 18
Surface Location
54.436833, 1.422185
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
AMOCO (U.K.) EXPLORATION COMPANY
Original Operator
--
Sub Area Operator
AMOCO (U.K.) EXPLORATION COMPANY
Licence No
P512
Licence Type
Production
Spud Date
1986-07-29
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

43/18- 1 Original
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas Well
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
39.472
Ground Elev (m)
--
Water Depth (m)
57.49
TD MD (m)
3750.534
TD TVDSS (m)
0.000
TD Datum Depth (m)
39.472
TD Datum Type
Kelly Bushing
Spud Date
1986-07-29
TD Reached
1986-10-09
Completion Date
1986-10-29
Release Date
1990-10-29

Formation Tops (51)

Wellbore Formation Era MD (m) TVDSS (m) Provider
43/18- 1 Unknown 97.000 57.525 BGS LithoStrat Upper
Unknown 128.000 88.524 BGS LithoStrat Upper
Chalk Mesozoic 162.000 122.523 BGS LithoStrat Upper
Chalk Mesozoic 162.000 122.523 BGS LithoStrat Upper
Plenus Marl 185.000 145.523 BGS LithoStrat Upper
Chalk Mesozoic 186.000 146.523 BGS LithoStrat Upper
Red Chalk Mesozoic 197.000 157.522 BGS LithoStrat Upper
Speeton Clay 225.000 185.522 BGS LithoStrat Upper
Lias Mesozoic 262.000 222.521 BGS LithoStrat Upper
Winterton 654.000 614.454 BGS LithoStrat Upper
Haisborough Mesozoic 681.000 641.436 BGS LithoStrat Upper
Triton Anhydrite Mesozoic 681.000 641.436 BGS LithoStrat Upper
Gipskeuper 817.000 777.342 BGS LithoStrat Upper
Dudgeon Saliferous 850.000 810.319 BGS LithoStrat Upper
Dowsing Dolomite 925.000 885.268 BGS LithoStrat Upper
Muschelkalk Halite Member Mesozoic 998.000 958.218 BGS LithoStrat Upper
Dowsing Dolomite 1032.000 992.194 BGS LithoStrat Upper
Dowsing Dolomite 1104.000 1064.145 BGS LithoStrat Upper
Upper Rot Evaporite Cenozoic 1164.000 1124.103 BGS LithoStrat Upper
Dowsing Dolomite 1173.000 1133.097 BGS LithoStrat Upper
Main Rot Salt 1201.000 1161.078 BGS LithoStrat Upper
Dowsing Dolomite 1272.000 1232.029 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1282.000 1242.022 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1282.000 1242.022 BGS LithoStrat Upper
Main Sand 1291.000 1251.016 BGS LithoStrat Upper
Bunter Shale Mesozoic 1438.000 1397.915 BGS LithoStrat Upper
Rogenstein Member Mesozoic 1439.000 1398.914 BGS LithoStrat Upper
Bunter Shale Mesozoic 1655.000 1614.798 BGS LithoStrat Upper
Brockelschiefer Member 1796.000 1755.755 BGS LithoStrat Upper
Zechstein Palaeozoic 1816.000 1775.738 BGS LithoStrat Upper
Aller Evaporite Palaeozoic 1816.000 1775.738 BGS LithoStrat Upper
Pegmatitanhydrit Palaeozoic 1911.000 1870.658 BGS LithoStrat Upper
Roter Salzton Palaeozoic 1912.000 1871.657 BGS LithoStrat Upper
Upper Leine Halite Palaeozoic 1918.000 1877.652 BGS LithoStrat Upper
Lower Leine Halite Palaeozoic 1945.000 1904.629 BGS LithoStrat Upper
Hauptanhydrit Palaeozoic 2320.000 2279.310 BGS LithoStrat Upper
Plattendolomit Palaeozoic 2324.000 2283.307 BGS LithoStrat Upper
Grauer Salzton Palaeozoic 2352.000 2311.283 BGS LithoStrat Upper
Deckanhydrit 2353.000 2312.282 BGS LithoStrat Upper
Stassfurt Halite Palaeozoic 2354.000 2313.281 BGS LithoStrat Upper
Basalanhydrit Palaeozoic 3158.000 3116.349 BGS LithoStrat Upper
Hauptdolomit Palaeozoic 3224.000 3182.258 BGS LithoStrat Upper
Werraanhydrit Palaeozoic 3242.000 3200.233 BGS LithoStrat Upper
Zechsteinkalk Palaeozoic 3254.000 3212.216 BGS LithoStrat Upper
Rupel Formation 3263.000 3221.204 BGS LithoStrat Upper
Rotliegendes 3264.000 3222.202 BGS LithoStrat Upper
Silverpit 3264.000 3222.202 BGS LithoStrat Upper
Unknown 3527.000 3484.839 BGS LithoStrat Upper
Unknown 3594.000 3551.767 BGS LithoStrat Upper
Unknown 3633.000 3590.710 BGS LithoStrat Upper
Unknown 3790.000 3746.415 BGS LithoStrat Upper

Lithology Intervals

43/18- 1 Curve: SANDCOUNT 163 intervals  ·  MD 159.106 – 3789.274 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/LR_SNS/San...
Sand (50)
Limestone (39)
Anhydrite (38)
Halite (35)
Coal (1)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
43/18- 1 7 5 0 45 51 2 4 1 2 View

Hydrocarbon Occurrence (3)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
43/18- 1 Gas G * 3526.6731600000003 -- 67 m thick
43/18- 1 DST DST 1B -- 3538.4 3544.0 Not used for labelling, multiple DSTs in same play / Westphalian
43/18- 1 DST DST 1A -- 3538.4 3544.0 Label / Westphalian

Rock Samples (74)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
43/18- 1 Cuttings 179.98 3784.95 -- -- .
43/18- 1 Core #1 1289.0 1299.97 φ 15.3% (n=15) · Kh 152.8 mD (n=15) · Kv 168.0 mD (n=8) · So 0.0% (n=8) · Sw 77.0% (n=8) · Density 2.63 (n=15) · FSP 19.1 (n=8) · NL ERCO HALITE/CARB; HALITE/FE STAIN; HALITE/SL FE STAIN; RUBBLE; SILTSTONE .
43/18- 1 ↳ Core Plug #1 1289.0 -- NL ERCO RUBBLE --
43/18- 1 ↳ Core Plug #1 1289.5 -- NL ERCO SILTSTONE --
43/18- 1 ↳ Plug CNA 1 1289.75 -- φ 5.1% · Kh 0.4 mD · Kv 1.3 mD · So 0.0% · Sw 65.1% · Density 2.69 · FSP 9.5 · NL ERCO HALITE/SL FE STAIN --
43/18- 1 ↳ Core Plug #1 1290.0 -- NL ERCO SILTSTONE --
43/18- 1 ↳ Core Plug #1 1290.5 -- NL ERCO SILTSTONE --
43/18- 1 ↳ Plug CNA 2 1291.0 -- φ 2.6% · Kh 1.5 mD · Kv 22.0 mD · So 0.0% · Sw 57.1% · Density 2.57 · FSP 15.7 · NL ERCO HALITE/FE STAIN --
43/18- 1 ↳ Plug CNA 3 1291.5 -- φ 28.3% · Kh 75.0 mD · Density 2.65 · NL ERCO -- --
43/18- 1 ↳ Plug CNA 4 1292.0 -- φ 17.9% · Kh 55.0 mD · Kv 29.0 mD · So 0.0% · Sw 84.2% · Density 2.57 · FSP 25.1 · NL ERCO HALITE/FE STAIN --
43/18- 1 ↳ Plug CNA 5 1292.5 -- φ 19.7% · Kh 40.0 mD · Density 2.72 · NL ERCO HALITE/FE STAIN --
43/18- 1 ↳ Plug CNA 6 1293.0 -- φ 23.9% · Kh 324.0 mD · Kv 377.0 mD · So 0.0% · Sw 83.6% · Density 2.68 · FSP 22.3 · NL ERCO HALITE/FE STAIN --
43/18- 1 ↳ Plug CNA 7 1293.5 -- φ 2.9% · Kh 0.5 mD · Density 2.51 · NL ERCO HALITE/CARB --
43/18- 1 ↳ Plug CNA 8 1294.0 -- φ 7.8% · Kh 99.0 mD · Kv 502.0 mD · So 0.0% · Sw 88.8% · Density 2.59 · FSP 18.8 · NL ERCO HALITE/FE STAIN --
43/18- 1 ↳ Plug CNA 9 1294.5 -- φ 11.3% · Kh 550.0 mD · Density 2.53 · NL ERCO HALITE/FE STAIN --
43/18- 1 ↳ Plug CNA 10 1295.0 -- φ 12.3% · Kh 366.0 mD · Kv 0.6 mD · So 0.0% · Sw 74.3% · Density 2.57 · FSP 16.9 · NL ERCO HALITE/FE STAIN --
43/18- 1 ↳ Plug CNA 11 1295.5 -- φ 16.4% · Kh 132.0 mD · Density 2.71 · NL ERCO HALITE/FE STAIN --
43/18- 1 ↳ Core Plug #1 1296.0 -- NL ERCO SILTSTONE --
43/18- 1 ↳ Plug CNA 12 1296.5 -- φ 26.4% · Kh 195.0 mD · Kv 241.0 mD · So 0.0% · Sw 87.7% · Density 2.67 · FSP 23.9 · NL ERCO HALITE/FE STAIN --
43/18- 1 ↳ Plug CNA 13 1297.0 -- φ 20.9% · Kh 205.0 mD · Density 2.71 · NL ERCO HALITE/FE STAIN --
43/18- 1 ↳ Core Plug #1 1297.5 -- NL ERCO SILTSTONE --
43/18- 1 ↳ Core Plug #1 1298.0 -- NL ERCO SILTSTONE --
43/18- 1 ↳ Core Plug #1 1298.5 -- NL ERCO SILTSTONE --
43/18- 1 ↳ Plug CNA 14 1298.95 -- φ 25.3% · Kh 192.0 mD · Kv 171.0 mD · So 0.0% · Sw 75.3% · Density 2.66 · FSP 20.7 · NL ERCO HALITE/FE STAIN --
43/18- 1 ↳ Plug CNA 15 1299.5 -- φ 8.1% · Kh 57.0 mD · Density 2.57 · NL ERCO HALITE/FE STAIN --
43/18- 1 Core #2 3584.97 3595.97 φ 8.0% (n=11) · Kh 26.9 mD (n=11) · Kv 27.5 mD (n=2) · So 43.2% (n=3) · Sw 36.6% (n=3) · Density 2.69 (n=11) · FSP 9.3 (n=3) · NL ERCO ORE MINERAL/MICA; ORE MINERAL/MICA; SHALE/SILTSTONE; SILTSTONE .
43/18- 1 ↳ Plug CNB 1 3585.0 -- φ 5.8% · Kh 0.1 mD · Kv 0.0 mD · So 24.0% · Sw 52.8% · Density 2.75 · FSP 5.4 · NL ERCO ORE MINERAL/MICA --
43/18- 1 ↳ Plug CNB 2 3585.25 -- φ 6.5% · Kh 0.1 mD · Density 2.74 · NL ERCO ORE MINERAL/MICA --
43/18- 1 ↳ Plug CNB 3 3585.5 -- φ 6.6% · Kh 0.1 mD · Density 2.73 · NL ERCO ORE MINERAL/MICA --
43/18- 1 ↳ Plug CNB 4 3585.75 -- φ 5.8% · Kh 0.2 mD · Density 2.71 · NL ERCO ORE MINERAL/MICA --
43/18- 1 ↳ Core Plug #2 3586.0 -- NL ERCO SILTSTONE --
43/18- 1 ↳ Plug CNB 5 3586.25 -- φ 4.2% · Kh 0.1 mD · Density 2.74 · NL ERCO ORE MINERAL/MICA --
43/18- 1 ↳ Core Plug #2 3586.5 -- NL ERCO SHALE/SILTSTONE --
43/18- 1 ↳ Core Plug #2 3594.25 -- NL ERCO SHALE/SILTSTONE --
43/18- 1 ↳ Plug CNB 6 3594.6 -- φ 8.5% · Kh 3.6 mD · Density 2.65 · NL ERCO -- --
43/18- 1 ↳ Plug CNB 7 3594.75 -- φ 9.0% · Kh 1.1 mD · Density 2.66 · NL ERCO -- --
43/18- 1 ↳ Plug CNB 8 3595.0 -- φ 10.8% · Kh 64.0 mD · Kv 55.0 mD · So 50.7% · Sw 26.9% · Density 2.65 · FSP 10.9 · NL ERCO -- --
43/18- 1 ↳ Plug CNB 9 3595.25 -- φ 10.1% · Kh 112.0 mD · Density 2.65 · NL ERCO -- --
43/18- 1 ↳ Plug CNB 10 3595.5 -- φ 10.9% · Kh 84.0 mD · Density 2.65 · NL ERCO -- --
43/18- 1 ↳ Plug CNB 11 3595.75 -- φ 10.0% · Kh 31.0 mD · So 54.8% · Sw 30.2% · Density 2.66 · FSP 11.5 · NL ERCO -- --
43/18- 1 Core #3 3595.97 3599.96 φ 9.4% (n=15) · Kh 156.2 mD (n=15) · Kv 184.5 mD (n=4) · So 54.9% (n=4) · Sw 24.6% (n=4) · Density 2.68 (n=15) · FSP 11.3 (n=4) · NL ERCO ORE MINERAL; RUBBLE; SHALE .
43/18- 1 ↳ Core Plug #3 3596.0 -- NL ERCO RUBBLE --
43/18- 1 ↳ Plug CNC 1 3596.0 -- φ 10.2% · Kh 430.0 mD · Kv 247.0 mD · So 69.9% · Sw 23.9% · Density 2.66 · FSP 11.3 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 2 3596.25 -- φ 11.3% · Kh 104.0 mD · Density 2.66 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 3 3596.5 -- φ 9.6% · Kh 35.0 mD · Density 2.67 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 4 3596.75 -- φ 9.7% · Kh 13.0 mD · Density 2.66 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 5 3597.0 -- φ 9.1% · Kh 176.0 mD · Kv 183.0 mD · So 70.7% · Sw 23.3% · Density 2.65 · FSP 11.6 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 6 3597.25 -- φ 11.2% · Kh 625.0 mD · Density 2.65 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 7 3597.5 -- φ 10.5% · Kh 138.0 mD · Density 2.65 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 8 3597.75 -- φ 9.1% · Kh 36.0 mD · Density 2.69 · NL ERCO ORE MINERAL --
43/18- 1 ↳ Plug CNC 9 3598.0 -- φ 10.8% · Kh 335.0 mD · Kv 294.0 mD · So 60.2% · Sw 22.8% · Density 2.65 · FSP 12.9 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 10 3598.25 -- φ 9.9% · Kh 42.0 mD · Density 2.65 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 11 3598.5 -- φ 11.3% · Kh 273.0 mD · Density 2.69 · NL ERCO ORE MINERAL --
43/18- 1 ↳ Plug CNC 12 3598.75 -- φ 10.2% · Kh 55.0 mD · Density 2.66 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 13 3599.0 -- φ 8.9% · Kh 58.0 mD · Kv 14.0 mD · So 18.7% · Sw 28.6% · Density 2.66 · FSP 9.6 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 14 3599.25 -- φ 7.9% · Kh 23.0 mD · Density 2.68 · NL ERCO -- --
43/18- 1 ↳ Plug CNC 15 3599.5 -- φ 1.3% · Kh 0.1 mD · Density 2.89 · NL ERCO ORE MINERAL --
43/18- 1 ↳ Core Plug #3 3599.75 -- NL ERCO SHALE --
43/18- 1 Core #4 3784.95 3788.57 φ 2.8% (n=13) · Kh 0.6 mD (n=12) · Kv 0.1 mD (n=4) · So 6.3% (n=3) · Sw 31.0% (n=3) · Density 2.74 (n=13) · FSP 3.1 (n=3) · NL ERCO CALCITE/FE STAIN; CALCITE/MICA/ORE; CALCITE/ORE MINERAL; FE STAIN/CALCITE; ORE MINERAL/FE STAIN; SILTSTONE .
43/18- 1 ↳ Plug CND 1 3785.1 -- φ 3.5% · Kv 0.4 mD · So 0.0% · Sw 31.8% · Density 2.70 · FSP 2.5 · NL ERCO ORE MINERAL/FE STAIN --
43/18- 1 ↳ Plug CND 2 3785.25 -- φ 3.3% · Kh 0.1 mD · Density 2.73 · NL ERCO ORE MINERAL/FE STAIN --
43/18- 1 ↳ Plug CND 3 3785.5 -- φ 2.6% · Kh 0.1 mD · Density 2.80 · NL ERCO ORE MINERAL/FE STAIN --
43/18- 1 ↳ Plug CND 4 3785.73 -- φ 6.6% · Kh 1.2 mD · Density 2.74 · NL ERCO CALCITE/FE STAIN --
43/18- 1 ↳ Plug CND 5 3786.0 -- φ 2.6% · Kh 0.0 mD · Kv 0.1 mD · So 18.8% · Sw 24.0% · Density 2.69 · FSP 3.3 · NL ERCO ORE MINERAL/FE STAIN --
43/18- 1 ↳ Plug CND 6 3786.2 -- φ 3.0% · Kh 3.9 mD · Density 2.69 · NL ERCO FE STAIN/CALCITE --
43/18- 1 ↳ Plug CND 7 3786.5 -- φ 3.5% · Kh 0.6 mD · Density 2.68 · NL ERCO ORE MINERAL/FE STAIN --
43/18- 1 ↳ Plug CND 8 3786.75 -- φ 2.7% · Kh 0.0 mD · Density 2.71 · NL ERCO ORE MINERAL/FE STAIN --
43/18- 1 ↳ Plug CND 9 3787.0 -- φ 2.3% · Kh 0.0 mD · Kv 0.0 mD · So 0.0% · Sw 37.2% · Density 2.73 · FSP 3.6 · NL ERCO ORE MINERAL/FE STAIN --
43/18- 1 ↳ Plug CND 10 3787.25 -- φ 2.2% · Kh 0.0 mD · Density 2.75 · NL ERCO CALCITE/ORE MINERAL --
43/18- 1 ↳ Plug CND 11 3787.5 -- φ 1.2% · Kh 0.0 mD · Density 2.84 · NL ERCO CALCITE/MICA/ORE --
43/18- 1 ↳ Plug CND 12 3787.68 -- φ 1.8% · Kh 0.1 mD · Density 2.76 · NL ERCO CALCITE/ORE MINERAL --
43/18- 1 ↳ Plug CND 13 3788.05 -- φ 1.7% · Kh 0.7 mD · Kv 0.0 mD · Density 2.75 · NL ERCO ORE MINERAL/FE STAIN --
43/18- 1 ↳ Core Plug #4 3788.25 -- NL ERCO SILTSTONE --
43/18- 1 ↳ Core Plug #4 3788.5 -- NL ERCO SILTSTONE --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
43/18- 1 94.94519805908203 3793.236083984375 12 0 2026-08-06 14:09:39.361521+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
43/18- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1488.6432 3793.236 14982
caliper CALS CGG Digital Well Logs 155.9052 3792.9312 23495
caliper CALI CGG Digital Well Logs 1488.0336 3772.5096 14841
comp_sonic DT CGG Digital Well Logs 157.5816 3775.1004 23255
deep_resistivity ILD CGG Digital Well Logs 156.5148 3789.7308 22827
deep_resistivity LLD CGG Digital Well Logs 834.0852 1495.1964 4339
density_correction DRHO CGG Digital Well Logs 1488.7956 3792.9312 14981
gamma_ray GRL CGG Digital Well Logs 739.4448 1490.3196 4928
gamma_ray GR CGG Digital Well Logs 94.9452 3781.6536 24192
gamma_ray SGR CGG Digital Well Logs 1438.9608 3782.2632 15206
gamma_ray CGR CGG Digital Well Logs 3231.4896 3782.1108 3614
med_resistivity ILM CGG Digital Well Logs 156.6672 3790.6452 22877
micro_resistivity MSFL CGG Digital Well Logs 833.9328 1481.0232 4247
neutron_por NPHI CGG Digital Well Logs 1489.2528 3789.1212 14910
pef PEF CGG Digital Well Logs 1489.2528 3792.9312 14982
potassium POTA CGG Digital Well Logs 3231.1848 3782.1108 3616
shallow_resistivity LLS CGG Digital Well Logs 834.2376 1494.8916 4336
shallow_resistivity SFLU CGG Digital Well Logs 156.6672 3229.8132 19240
sp SP CGG Digital Well Logs 156.21 1359.408 7827
thorium THOR CGG Digital Well Logs 3231.3372 3782.2632 3616
uranium URAN CGG Digital Well Logs 3231.1848 3782.2632 3617

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
43/18- 1 12 3789.000 3746.415 D:\BigSpatial\nsta_raw\CGG_Deviation\43-18-1 5675aq-CGG-Deviation.xls

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