Well Data Manager / Well Summary / 48/20a- 3

48/20a- 3

Decommissioned

Well Header

Well No
48/20a- 3
NSTA DEN No
2539
Well Name
--
Drill Seq No
3
Quadrant / Block
48 / 20 a
Surface Location
53.432390, 1.951175
Source Datum
ED50
Subsea Well
Yes
Platform
--
Slot No
--
Operator
SHELL U.K. LIMITED
Original Operator
--
Sub Area Operator
SHELL U.K. LIMITED
Licence No
P8
Licence Type
Production
Spud Date
1984-11-09
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (3)

48/20a- 3 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
F
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
33.223
Ground Elev (m)
--
Water Depth (m)
28.04
TD MD (m)
141.732
TD TVDSS (m)
108.509
TD Datum Depth (m)
33.223
TD Datum Type
Kelly Bushing
Spud Date
1984-11-09
TD Reached
1984-11-10
Completion Date
1984-11-17
Release Date
1988-11-17
48/20a- 3A Sidetrack A parent: 48/20a- 3J
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas Well
Dev Type
--
Convention
--
Primary Target
F
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
33.223
Ground Elev (m)
--
Water Depth (m)
28.04
TD MD (m)
2748.991
TD TVDSS (m)
2715.768
TD Datum Depth (m)
33.223
TD Datum Type
Kelly Bushing
Spud Date
1984-12-26
TD Reached
1985-01-17
Completion Date
1985-03-27
Release Date
1989-03-27
48/20a- 3J Sidetrack J
Abandoned Phase 3 Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
--
Dev Type
--
Convention
Conventional
Primary Target
A
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
33.223
Ground Elev (m)
--
Water Depth (m)
28.04
TD MD (m)
2449.373
TD TVDSS (m)
0.000
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1984-11-13
TD Reached
1984-12-24
Completion Date
1984-12-26
Release Date
1988-12-26

Formation Tops (38)

Wellbore Formation Era MD (m) TVDSS (m) Provider
48/20a- 3 Haisborough Mesozoic 716.000 682.777 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1551.000 1517.777 BGS LithoStrat Upper
Bunter Shale Mesozoic 1853.000 1819.777 BGS LithoStrat Upper
Zechstein Palaeozoic 2166.000 2132.777 BGS LithoStrat Upper
Rotliegendes 2408.000 2374.777 BGS LithoStrat Upper
48/20a- 3A Unknown 65.000 31.777 BGS LithoStrat Upper
Lias Mesozoic 162.000 128.775 BGS LithoStrat Upper
Lias Mesozoic 207.000 173.772 BGS LithoStrat Upper
Lias Mesozoic 326.000 292.753 BGS LithoStrat Upper
Lias Mesozoic 500.000 466.719 BGS LithoStrat Upper
Hydraulic Limestone Formation Mesozoic 679.000 645.716 BGS LithoStrat Upper
Winterton 696.000 662.716 BGS LithoStrat Upper
Triton Anhydrite Mesozoic 763.000 729.715 BGS LithoStrat Upper
Keuper Halite Member Mesozoic 990.000 956.707 BGS LithoStrat Upper
Upper Dowsing Member 1252.000 1218.691 BGS LithoStrat Upper
Muschelkalk Halite Member Mesozoic 1302.000 1268.686 BGS LithoStrat Upper
Middle Dowsing Member 1345.000 1311.683 BGS LithoStrat Upper
Rot Halite Member 1491.000 1457.681 BGS LithoStrat Upper
Lower Dowsing Member 1544.000 1510.680 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1552.000 1518.680 BGS LithoStrat Upper
Rogenstein Member Mesozoic 1840.000 1806.653 BGS LithoStrat Upper
Bunter Shale Mesozoic 1952.000 1918.635 BGS LithoStrat Upper
Brockelschiefer Member 2143.000 2109.596 BGS LithoStrat Upper
Zechstein Z4 2165.000 2131.590 BGS LithoStrat Upper
Aller Evaporite Palaeozoic 2186.000 2152.585 BGS LithoStrat Upper
Pegmatitanhydrit Palaeozoic 2241.000 2207.551 BGS LithoStrat Upper
Red Salt Clay Member 2244.000 2210.544 BGS LithoStrat Upper
Leine Evaporite Palaeozoic 2245.000 2211.541 BGS LithoStrat Upper
Grey Salt Clay Member 2313.000 2278.905 BGS LithoStrat Upper
Deckanhydrit 2319.000 2284.827 BGS LithoStrat Upper
Stassfurt Halite Palaeozoic 2328.000 2293.710 BGS LithoStrat Upper
Basalanhydrit Palaeozoic 2355.000 2320.477 BGS LithoStrat Upper
Hauptdolomit Palaeozoic 2359.000 2324.459 BGS LithoStrat Upper
Werraanhydrit Palaeozoic 2372.000 2337.413 BGS LithoStrat Upper
Zechsteinkalk Palaeozoic 2393.000 2358.379 BGS LithoStrat Upper
Kupferschiefer Palaeozoic 2404.000 2369.365 BGS LithoStrat Upper
Leman Sandstone 2405.000 2370.364 BGS LithoStrat Upper
Coal Measures 2704.000 2668.846 BGS LithoStrat Upper

Lithology Intervals

48/20a- 3A Curve: SANDCOUNT 95 intervals  ·  MD 643.738 – 2704.643 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/LR_SNS/San...
Sand (34)
Halite (31)
Limestone (17)
Anhydrite (13)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
48/20a- 3 0 1 0 1 5 0 0 0 0 View
48/20a- 3A 5 6 0 33 33 1 9 1 2 View
48/20a- 3J 0 0 0 0 0 0 0 0 0

Hydrocarbon Occurrence (3)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
48/20a- 3A Gas G Leman Sandstone Formation 2404.8720000000003 -- 299 m thick
48/20a- 3A DST DST 2 -- 2447.5 2462.8 Not used for labelling, multiple DSTs in same play / Rotliegend
48/20a- 3A DST DST 1 -- 2549.7 2572.5 Label / Rotliegend

Rock Samples (76)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
48/20a- 3A Cuttings 161.54 2746.25 -- -- .
48/20a- 3A Core #1 2398.17 2407.31 -- -- .
48/20a- 3A Core #2 2407.31 2416.39 φ 7.1% (n=4) · Kh 0.0 mD (n=4) · Density 2.68 (n=4) · CORE LABS -- .
48/20a- 3A ↳ Plug 1 2408.072 -- φ 4.1% · Kh 0.0 mD · Density 2.69 · CORE LABS -- --
48/20a- 3A ↳ Plug 2 2410.45 -- φ 8.2% · Kh 0.0 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 3 2413.132 -- φ 5.6% · Kh 0.1 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 4 2415.906 -- φ 10.4% · Kh 0.1 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A Core #3 2418.59 2434.74 φ 8.5% (n=6) · Kh 0.1 mD (n=6) · Density 2.69 (n=6) · CORE LABS -- .
48/20a- 3A ↳ Plug 6 2421.026 -- φ 12.4% · Kh 0.2 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 7 2421.971 -- φ 10.1% · Kh 0.2 mD · Density 2.70 · CORE LABS -- --
48/20a- 3A ↳ Plug 8 2423.465 -- φ 11.4% · Kh 0.1 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 9 2427.122 -- φ 10.8% · Kh 0.1 mD · Density 2.69 · CORE LABS -- --
48/20a- 3A ↳ Plug 10 2429.561 -- φ 3.0% · Kh 0.0 mD · Density 2.69 · CORE LABS -- --
48/20a- 3A ↳ Plug 11 2433.066 -- φ 3.5% · Kh 0.0 mD · Density 2.70 · CORE LABS -- --
48/20a- 3A Core #4 2434.74 2462.17 φ 12.4% (n=10) · Kh 0.4 mD (n=10) · Density 2.68 (n=10) · CORE LABS -- .
48/20a- 3A ↳ Plug 12 2435.962 -- φ 8.1% · Kh 0.0 mD · Density 2.70 · CORE LABS -- --
48/20a- 3A ↳ Plug 13 2439.04 -- φ 5.6% · Kh 0.0 mD · Density 2.69 · CORE LABS -- --
48/20a- 3A ↳ Plug 14 2441.753 -- φ 4.6% · Kh 0.1 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 15 2444.435 -- φ 10.8% · Kh 0.1 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 16 2447.818 -- φ 16.0% · Kh 0.4 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 17 2450.897 -- φ 14.0% · Kh 0.6 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 18 2454.006 -- φ 12.7% · Kh 0.4 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 19 2456.779 -- φ 17.4% · Kh 0.4 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 20 2459.401 -- φ 18.7% · Kh 1.0 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 21 2460.681 -- φ 16.4% · Kh 0.7 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A Core #5 2462.17 2489.61 φ 12.7% (n=9) · Kh 0.7 mD (n=9) · Density 2.68 (n=9) · CORE LABS -- .
48/20a- 3A ↳ Plug 22 2463.394 -- φ 16.4% · Kh 0.8 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 23 2466.838 -- φ 13.6% · Kh 0.9 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 24 2469.185 -- φ 14.8% · Kh 3.7 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 25 2471.593 -- φ 13.1% · Kh 0.1 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 26 2475.342 -- φ 6.4% · Kh 0.0 mD · Density 2.70 · CORE LABS -- --
48/20a- 3A ↳ Plug 27 2477.963 -- φ 4.6% · Kh 0.1 mD · Density 2.69 · CORE LABS -- --
48/20a- 3A ↳ Plug 28 2481.072 -- φ 13.7% · Kh 0.2 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 29 2484.76 -- φ 16.8% · Kh 0.7 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 30 2486.863 -- φ 14.5% · Kh 0.2 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A Core #6 2489.61 2517.04 φ 14.8% (n=8) · Kh 0.8 mD (n=8) · Density 2.67 (n=8) · CORE LABS -- .
48/20a- 3A ↳ Plug 31 2489.911 -- φ 17.9% · Kh 1.1 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 32 2493.416 -- φ 14.7% · Kh 1.0 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 33 2496.525 -- φ 15.0% · Kh 0.5 mD · Density 2.69 · CORE LABS -- --
48/20a- 3A ↳ Plug 34 2499.726 -- φ 16.9% · Kh 0.7 mD · Density 2.68 · CORE LABS -- --
48/20a- 3A ↳ Plug 35 2502.987 -- φ 4.7% · Kh 0.0 mD · Density 2.69 · CORE LABS -- --
48/20a- 3A ↳ Plug 38 2505.73 -- φ 16.1% · Kh 1.0 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 36 2508.961 -- φ 19.7% · Kh 1.0 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 37 2511.979 -- φ 13.3% · Kh 1.0 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A Core #7 2517.04 2544.47 φ 13.9% (n=10) · Kh 1.1 mD (n=10) · Density 2.66 (n=10) · CORE LABS -- .
48/20a- 3A ↳ Plug 39 2517.099 -- φ 6.9% · Kh 0.1 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 40 2519.294 -- φ 13.4% · Kh 1.0 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 41 2522.311 -- φ 12.7% · Kh 0.7 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 42 2524.811 -- φ 17.5% · Kh 6.3 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 43 2527.645 -- φ 15.8% · Kh 0.6 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 44 2530.876 -- φ 15.7% · Kh 0.7 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 45 2533.894 -- φ 14.1% · Kh 0.3 mD · Density 2.66 · CORE LABS -- --
48/20a- 3A ↳ Plug 46 2536.607 -- φ 14.3% · Kh 0.1 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 47 2539.685 -- φ 15.3% · Kh 0.3 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 48 2542.184 -- φ 13.3% · Kh 0.9 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A Core #8 2544.47 2572.09 φ 18.1% (n=10) · Kh 35.0 mD (n=10) · Density 2.65 (n=10) · CORE LABS -- .
48/20a- 3A ↳ Plug 49 2544.775 -- φ 15.5% · Kh 0.4 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 50 2546.634 -- φ 16.4% · Kh 6.4 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 51 2549.103 -- φ 17.9% · Kh 9.8 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 52 2551.633 -- φ 19.5% · Kh 57.0 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 53 2554.681 -- φ 19.7% · Kh 68.0 mD · Density 2.67 · CORE LABS -- --
48/20a- 3A ↳ Plug 54 2559.71 -- φ 17.3% · Kh 3.2 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 55 2561.996 -- φ 18.8% · Kh 2.5 mD · Density 2.66 · CORE LABS -- --
48/20a- 3A ↳ Plug 56 2565.471 -- φ 15.7% · Kh 1.0 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 57 2568.428 -- φ 18.1% · Kh 2.3 mD · Density 2.66 · CORE LABS -- --
48/20a- 3A ↳ Plug 58 2571.14 -- φ 21.8% · Kh 199.0 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A Core #9 2572.21 2599.33 φ 13.7% (n=9) · Kh 55.2 mD (n=9) · Density 2.65 (n=9) · CORE LABS -- .
48/20a- 3A ↳ Plug 59 2573.304 -- φ 21.5% · Kh 340.0 mD · Density 2.64 · CORE LABS -- --
48/20a- 3A ↳ Plug 60 2576.292 -- φ 12.1% · Kh 1.4 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 61 2579.096 -- φ 15.5% · Kh 3.6 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 62 2581.565 -- φ 19.5% · Kh 142.0 mD · Density 2.64 · CORE LABS -- --
48/20a- 3A ↳ Plug 63 2584.43 -- φ 10.9% · Kh 1.2 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 64 2587.264 -- φ 9.7% · Kh 0.1 mD · Density 2.66 · CORE LABS -- --
48/20a- 3A ↳ Plug 65 2590.312 -- φ 6.5% · Kh 0.1 mD · Density 2.66 · CORE LABS -- --
48/20a- 3A ↳ Plug 66 2593.33 -- φ 12.8% · Kh 0.5 mD · Density 2.65 · CORE LABS -- --
48/20a- 3A ↳ Plug 67 2596.835 -- φ 15.0% · Kh 8.1 mD · Density 2.65 · CORE LABS -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
48/20a- 3A 61.417198181152344 2746.095703125 11 0 2026-08-06 18:44:41.589549+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
48/20a- 3A
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN CGG Digital Well Logs 2170.938 2742.8952 3717
caliper CALI CGG Digital Well Logs 143.5608 2742.7428 5843
comp_sonic AC CGG Digital Well Logs 465.58200000000005 2734.818 14891
deep_resistivity RD CGG Digital Well Logs 2383.6884 2739.6948 2337
deep_resistivity RESD CGG Digital Well Logs 466.03920000000005 2743.2000000000003 14943
deep_resistivity RILD CGG Digital Well Logs 2382.7740000000003 2743.2000000000003 2366
density_correction CORR CGG Digital Well Logs 2170.7856 2742.8952 3735
gamma_ray GRL CGG Digital Well Logs 2365.5528 2729.7888000000003 2391
gamma_ray GR CGG Digital Well Logs 61.4172 2739.6948 17575
med_resistivity RILM CGG Digital Well Logs 2384.1456000000003 2743.6572 2360
micro_resistivity RMLL CGG Digital Well Logs 2383.3836 2746.0956 2381
neutron_por CNL CGG Digital Well Logs 2177.034 2745.3336 3730
potassium K CGG Digital Well Logs 2375.3064 2739.6948 2392
shallow_resistivity RS CGG Digital Well Logs 2384.1456000000003 2740.152 2337
sp SP CGG Digital Well Logs 465.12480000000005 2742.7428 14946
thorium TH CGG Digital Well Logs 2378.0496000000003 2739.8472 2375

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
48/20a- 3 0 -- -- --
48/20a- 3A 105 2748.991 2713.728 D:\BigSpatial\nsta_raw\CGG_Deviation\48-20a-3A 5652t-CGG_Deviation.xls
48/20a- 3J 0 -- -- --

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