Well Data Manager / Well Summary / 44/21- 4

44/21- 4

Decommissioned

Well Header

Well No
44/21- 4
NSTA DEN No
3405
Well Name
--
Drill Seq No
4
Quadrant / Block
44 / 21
Surface Location
54.182389, 2.186546
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Original Operator
--
Sub Area Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Licence No
P450
Licence Type
Production
Spud Date
1988-03-22
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

44/21- 4 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
C
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
38.000
Ground Elev (m)
--
Water Depth (m)
39.00
TD MD (m)
2083.000
TD TVDSS (m)
2044.730
TD Datum Depth (m)
37.978
TD Datum Type
Kelly Bushing
Spud Date
1988-03-22
TD Reached
1988-04-23
Completion Date
1989-03-15
Release Date
1993-03-15

Formation Tops (44)

Wellbore Formation Era MD (m) TVDSS (m) Provider
44/21- 4 Unknown 78.000 40.000 BGS LithoStrat Upper
Unknown 139.000 101.000 BGS LithoStrat Upper
Chalk Mesozoic 497.000 458.993 BGS LithoStrat Upper
Chalk Mesozoic 497.000 458.993 BGS LithoStrat Upper
Red Chalk Mesozoic 1352.000 1313.961 BGS LithoStrat Upper
Haisborough Mesozoic 1371.000 1332.960 BGS LithoStrat Upper
Dudgeon Saliferous 1371.000 1332.960 BGS LithoStrat Upper
Dowsing Dolomite 1470.000 1431.954 BGS LithoStrat Upper
Muschelkalk Halite Member Mesozoic 1528.000 1489.946 BGS LithoStrat Upper
Dowsing Dolomite 1560.000 1521.939 BGS LithoStrat Upper
Rot Halite Member 1702.000 1663.891 BGS LithoStrat Upper
Rot Clay Member 1805.000 1766.843 BGS LithoStrat Upper
Bacton Mesozoic 1817.000 1778.837 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1817.000 1778.837 BGS LithoStrat Upper
Rogenstein Member Mesozoic 2016.000 1977.745 BGS LithoStrat Upper
Bunter Shale Mesozoic 2237.000 2198.695 BGS LithoStrat Upper
Brockelschiefer Member 2384.000 2345.664 BGS LithoStrat Upper
Zechstein Palaeozoic 2407.000 2368.659 BGS LithoStrat Upper
Zechstein Z7 2408.000 2369.659 BGS LithoStrat Upper
Z6SF Z6 Siltstone 2414.000 2375.658 BGS LithoStrat Upper
Z6HF Z6 Halite 2418.000 2379.657 BGS LithoStrat Upper
Zechstein Z5 2431.000 2392.654 BGS LithoStrat Upper
Aller Potash 2453.000 2414.650 BGS LithoStrat Upper
Aller Evaporite Palaeozoic 2485.000 2446.643 BGS LithoStrat Upper
Pegmatitanhydrit Palaeozoic 2511.000 2472.638 BGS LithoStrat Upper
Unknown 2514.000 2475.637 BGS LithoStrat Upper
Leine Potash 2521.000 2482.636 BGS LithoStrat Upper
Leine Evaporite Palaeozoic 2633.000 2594.612 BGS LithoStrat Upper
Hauptanhydrit Palaeozoic 3048.000 3009.526 BGS LithoStrat Upper
Plattendolomit Palaeozoic 3086.000 3047.518 BGS LithoStrat Upper
Grauer Salzton Palaeozoic 3091.000 3052.517 BGS LithoStrat Upper
Stassfurt Potash 3094.000 3055.516 BGS LithoStrat Upper
Stassfurt Halite Palaeozoic 3156.000 3117.503 BGS LithoStrat Upper
Z2PF Z2 Polyhalite 3434.000 3395.445 BGS LithoStrat Upper
Basalanhydrit Palaeozoic 3490.000 3451.433 BGS LithoStrat Upper
Zechstein Z2 3495.000 3456.432 BGS LithoStrat Upper
Werraanhydrit Palaeozoic 3504.000 3465.431 BGS LithoStrat Upper
Zechsteinkalk Palaeozoic 3527.000 3488.426 BGS LithoStrat Upper
Rotliegendes 3533.000 3494.424 BGS LithoStrat Upper
Kupferschiefer Palaeozoic 3533.000 3494.424 BGS LithoStrat Upper
Upper Leman Sandstone Member 3534.000 3495.424 BGS LithoStrat Upper
Silverpit 3536.000 3497.424 BGS LithoStrat Upper
Barren Measures 3833.000 3794.362 BGS LithoStrat Upper
Coal Measures 3903.000 3864.347 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
44/21- 4 6 6 0 39 44 2 2 1 5 View

Hydrocarbon Occurrence (8)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
44/21- 4 DST DST 3 -- 3486.9 3495.1 Label / Zechstein
44/21- 4 Mixed shows OGS Zechstein Group 3495.1720800000003 -- 8 m thick
44/21- 4 Gas G Warwickshire Group 3832.58568 -- 71 m thick
44/21- 4 DST DST 2 -- 3835.9 3846.0 Not used for labelling, multiple DSTs in same play / Westphalian
44/21- 4 Gas G Pennine Upper Coal Measures Formation 3903.1895520000003 -- 289 m thick
44/21- 4 DST DST 1B -- 3922.8 3937.1 Not used for labelling, multiple DSTs in same play / Westphalian
44/21- 4 DST DST 1A -- 3922.8 3937.1 Not used for labelling, multiple DSTs in same play / Westphalian
44/21- 4 DST DST 1 -- 3922.8 3937.1 Label / Westphalian

Rock Samples (3)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
44/21- 4 Cuttings 143.99 4193.96 -- -- .
44/21- 4 Core #1 3832.95 3852.67 -- -- .
44/21- 4 Core #2 3855.96 3882.79 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
44/21- 4 27.43199920654297 4191.91455078125 11 0 2026-08-06 14:14:17.155397+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
44/21- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 2076.1452 3573.9324 3444
caliper CALI CGG Digital Well Logs 397.1544 4191.762 18283
comp_sonic DT CGG Digital Well Logs 398.2212 3110.6364 13615
deep_resistivity LLD CGG Digital Well Logs 3394.5576 4188.5616 5063
deep_resistivity ILD CGG Digital Well Logs 398.0688 3115.9704 13600
density_correction DRHO CGG Digital Well Logs 2075.9928 3573.9324 3447
gamma_ray GRD CGG Digital Well Logs 2064.258 2412.9492 2289
gamma_ray CGR CGG Digital Well Logs 3060.3444 3584.448 3329
gamma_ray GR CGG Digital Well Logs 27.432 4184.7516 27280
med_resistivity ILM CGG Digital Well Logs 398.0688 3117.0372 13620
micro_resistivity MSFL CGG Digital Well Logs 3041.2944 4191.9144 1096
neutron_por NPHI CGG Digital Well Logs 2075.9928 4156.2528 7191
shallow_resistivity LLS CGG Digital Well Logs 3394.5576 4188.2568 5061
sp SP CGG Digital Well Logs 3041.142 3114.294 481

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
44/21- 4 71 4192.000 4153.287 D:\BigSpatial\nsta_raw\CGG_Deviation\44-21-4 5533bi-CGG-Deviation.xlsx

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