Well Data Manager / Well Summary / 49/20b- 5

49/20b- 5

Decommissioned

Well Header

Well No
49/20b- 5
NSTA DEN No
8412
Well Name
--
Drill Seq No
5
Quadrant / Block
49 / 20 b
Surface Location
53.431706, 2.889948
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
SHELL U.K. LIMITED
Original Operator
--
Sub Area Operator
SHELL U.K. LIMITED
Licence No
P1015
Licence Type
Production
Spud Date
2002-10-13
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

49/20b- 5 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas Well
Dev Type
--
Convention
--
Primary Target
E
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
38.100
Ground Elev (m)
--
Water Depth (m)
29.87
TD MD (m)
2651.760
TD TVDSS (m)
2611.526
TD Datum Depth (m)
38.100
TD Datum Type
Rotary Table
Spud Date
2002-10-13
TD Reached
2002-10-30
Completion Date
2002-11-03
Release Date
2006-11-03
49/20b- 5Z Sidetrack Z parent: 49/20b- 5
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas Well
Dev Type
--
Convention
--
Primary Target
NA
Well Seq
WB2
Datum Type
Rotary Table
Datum Elev (m)
38.100
Ground Elev (m)
--
Water Depth (m)
29.87
TD MD (m)
2863.596
TD TVDSS (m)
2699.918
TD Datum Depth (m)
38.100
TD Datum Type
Rotary Table
Spud Date
2002-11-03
TD Reached
2002-11-06
Completion Date
2002-11-13
Release Date
2006-11-13

Formation Tops (20)

Wellbore Formation Era MD (m) TVDSS (m) Provider
49/20b- 5 North Sea Group 70.000 31.900 BGS LithoStrat Upper
Chalk Mesozoic 734.000 695.900 BGS LithoStrat Upper
Red Chalk Mesozoic 1832.000 1793.900 BGS LithoStrat Upper
Speeton Clay 1945.000 1906.900 BGS LithoStrat Upper
Bunter Shale Mesozoic 2100.000 2061.900 BGS LithoStrat Upper
Stassfurt Halite Palaeozoic 2247.000 2208.900 BGS LithoStrat Upper
Basalanhydrit Palaeozoic 2402.000 2363.900 BGS LithoStrat Upper
Hauptdolomit Palaeozoic 2416.000 2377.900 BGS LithoStrat Upper
Werraanhydrit Palaeozoic 2429.000 2390.900 BGS LithoStrat Upper
Zechsteinkalk Palaeozoic 2448.000 2409.900 BGS LithoStrat Upper
Kupferschiefer Palaeozoic 2458.000 2419.900 BGS LithoStrat Upper
Leman Sandstone 2460.000 2421.900 BGS LithoStrat Upper
Coal Measures 2548.000 2509.900 BGS LithoStrat Upper
49/20b- 5Z Z2/Z3 Halites undifferentiated 2313.000 2274.900 BGS LithoStrat Upper
Basalanhydrit Palaeozoic 2409.000 2370.900 BGS LithoStrat Upper
Hauptdolomit Palaeozoic 2426.000 2387.900 BGS LithoStrat Upper
Werraanhydrit Palaeozoic 2443.000 2404.900 BGS LithoStrat Upper
Zechsteinkalk Palaeozoic 2466.000 2427.900 BGS LithoStrat Upper
Kupferschiefer Palaeozoic 2479.000 2440.900 BGS LithoStrat Upper
Leman Sandstone 2481.000 2442.900 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
49/20b- 5 6 4 0 13 13 1 0 1 0 View
49/20b- 5Z 2 3 0 7 7 1 0 1 0 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
49/20b- 5 Gas shows GS Leman Sandstone Formation 2459.7360000000003 -- 88 m thick
49/20b- 5Z Gas shows GS Leman Sandstone Formation 2481.072 -- 383 m thick

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
49/20b- 5 Cuttings 73.15 2651.76 -- -- wet samples / curated Nov`02 to fill gap
49/20b- 5Z Cuttings 2325.62 2863.6 -- -- wet samples / curated Dec`02 to fill gap

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
49/20b- 5 61.417198181152344 2651.455322265625 8 0 2026-08-06 18:50:35.897483+00 View Log
49/20b- 5Z 2302.459228515625 2859.328857421875 7 0 2026-08-08 17:45:01.925253+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
49/20b- 5
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
caliper C2 CGG Digital Well Logs 2279.7516 2651.4552000000003 2440
caliper HCAL CGG Digital Well Logs 2279.7516 2638.9584 2358
caliper C1 CGG Digital Well Logs 2279.7516 2651.4552000000003 2440
caliper CAL CGG Digital Well Logs 2280.2088000000003 2633.1672000000003 2317
comp_sonic DTCO CGG Digital Well Logs 1755.8004 2647.4928 5852
comp_sonic DT4P CGG Digital Well Logs 1755.0384000000001 2647.4928 5857
deep_resistivity RESD CGG Digital Well Logs 891.6924 2643.5304 11445
deep_resistivity RT CGG Digital Well Logs 2282.19 2643.5304 2372
density_correction HDRA CGG Digital Well Logs 2281.8852 2639.8728 2350
gamma_ray GR CGG Digital Well Logs 61.4172 2628.138 16843
gamma_ray GRD CGG Digital Well Logs 2249.8812000000003 2639.1108 2555
med_resistivity RESM CGG Digital Well Logs 891.6924 2643.5304 11447
mud_resistivity RM CGG Digital Well Logs 2282.19 2639.8728 2348
neutron_por NPHI CGG Digital Well Logs 2250.0336 2639.8728 2559
rxo_resistivity RXOZ CGG Digital Well Logs 2281.7328 2639.8728 2351
shear_sonic DTSM CGG Digital Well Logs 1755.8004 2647.4928 5852
shear_sonic DT4S CGG Digital Well Logs 1755.0384000000001 2647.4928 5857
49/20b- 5Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
deep_resistivity P40H CGG Digital Well Logs 2302.4592000000002 2852.166 3608
gamma_ray GR CGG Digital Well Logs 2302.4592000000002 2853.5376 3617
gamma_ray GR_ARC CGG Digital Well Logs 2302.4592000000002 2852.0136 3607
med_resistivity P28H CGG Digital Well Logs 2302.4592000000002 2852.166 3608
med_resistivity P34H CGG Digital Well Logs 2302.4592000000002 2852.166 3608
nmr_free_fluid_index CMFF CGG Digital Well Logs 2462.784 2859.3288000000002 2603
nmr_porosity CMRP CGG Digital Well Logs 2462.784 2859.3288000000002 2603
nmr_porosity TCMR CGG Digital Well Logs 2462.784 2859.3288000000002 2603
nmr_t2 T2CUTOFF CGG Digital Well Logs 2462.784 2859.3288000000002 2603
nmr_t2 T2LM CGG Digital Well Logs 2462.784 2859.3288000000002 2603
shallow_resistivity P22H CGG Digital Well Logs 2302.4592000000002 2852.166 3608
shallow_resistivity P16H CGG Digital Well Logs 2302.4592000000002 2852.166 3608

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
49/20b- 5 0 -- -- --
49/20b- 5Z 0 -- -- --

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