49/23- 1

Decommissioned

Well Header

Well No
49/23- 1
NSTA DEN No
31
Well Name
--
Drill Seq No
1
Quadrant / Block
49 / 23
Surface Location
53.321226, 2.525221
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
PERENCO UK LIMITED
Original Operator
--
Sub Area Operator
PERENCO UK LIMITED
Licence No
P16
Licence Type
Production
Spud Date
1966-09-22
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

49/23- 1 Original
Current Intent
Development
Original Intent
Exploration
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
28.346
Ground Elev (m)
--
Water Depth (m)
29.57
TD MD (m)
2726.440
TD TVDSS (m)
0.000
TD Datum Depth (m)
28.346
TD Datum Type
Kelly Bushing
Spud Date
1966-09-22
TD Reached
1966-11-13
Completion Date
1966-12-11
Release Date
1970-12-11

Formation Tops (16)

Wellbore Formation Era MD (m) TVDSS (m) Provider
49/23- 1 Unknown 58.000 29.654 BGS LithoStrat Upper
Chalk Mesozoic 446.000 417.654 BGS LithoStrat Upper
Haisborough Mesozoic 1212.000 1183.654 BGS LithoStrat Upper
Keuper Undifferentiated 1212.000 1183.654 BGS LithoStrat Upper
Muschelkalk Undifferentiated Palaeozoic 1460.000 1431.654 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1495.000 1466.654 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1495.000 1466.654 BGS LithoStrat Upper
Bunter Shale Mesozoic 1663.000 1634.654 BGS LithoStrat Upper
Bunter Shale Mesozoic 1663.000 1634.654 BGS LithoStrat Upper
Principal Oolite Zone 1737.000 1708.654 BGS LithoStrat Upper
Bunter Shale Mesozoic 1777.000 1748.654 BGS LithoStrat Upper
Zechstein Palaeozoic 1998.000 1969.654 BGS LithoStrat Upper
Zechstein Palaeozoic 1998.000 1969.654 BGS LithoStrat Upper
Rotliegendes 2618.000 2589.654 BGS LithoStrat Upper
Rotliegendes 2618.000 2589.654 BGS LithoStrat Upper
Unknown 2670.000 2641.654 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
49/23- 1 6 1 0 10 16 2 4 1 1 View

Hydrocarbon Occurrence (4)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
49/23- 1 Gas shows GS Zechstein Group 1998.2688 -- 620 m thick
49/23- 1 Gas G Rotliegend Group 2617.9272 -- 52 m thick
49/23- 1 DST DST 1 -- 2628.3 2667.6 Label / Rotliegend
49/23- 1 Gas shows GS * 2669.7432000000003 -- 57 m thick

Rock Samples (43)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
49/23- 1 Cuttings 100.58 2726.44 -- -- .
49/23- 1 Core #1 2627.68 2638.04 φ 14.3% (n=5) · Kh 70.4 mD (n=5) · Kv 15.5 mD (n=5) · Density 2.64 (n=5) · UNKNOWN NO SAMPLE NUMBER .
49/23- 1 ↳ Core Plug #1 2628.595 -- φ 10.8% · Kh 98.0 mD · Kv 17.6 mD · Density 2.62 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #1 2630.424 -- φ 16.4% · Kh 27.4 mD · Kv 22.2 mD · Density 2.63 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #1 2633.472 -- φ 19.2% · Kh 149.0 mD · Kv 30.4 mD · Density 2.63 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #1 2634.996 -- φ 10.9% · Kh 1.7 mD · Kv 1.2 mD · Density 2.63 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #1 2636.52 -- φ 14.2% · Kh 75.8 mD · Kv 5.9 mD · Density 2.67 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 Core #2 2638.35 2665.78 φ 14.9% (n=28) · Kh 25.0 mD (n=28) · Kv 9.7 mD (n=28) · Density 2.64 (n=28) · UNKNOWN NO SAMPLE NUMBER .
49/23- 1 ↳ Core Plug #2 2639.873 -- φ 14.1% · Kh 6.0 mD · Kv 4.7 mD · Density 2.64 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2639.873 -- φ 14.1% · Kh 6.0 mD · Kv 4.7 mD · Density 2.64 -- --
49/23- 1 ↳ Core Plug #2 2641.397 -- φ 15.0% · Kh 11.0 mD · Kv 4.4 mD · Density 2.64 -- --
49/23- 1 ↳ Core Plug #2 2641.397 -- φ 15.0% · Kh 11.0 mD · Kv 4.4 mD · Density 2.64 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2642.921 -- φ 14.4% · Kh 11.9 mD · Kv 4.7 mD · Density 2.63 -- --
49/23- 1 ↳ Core Plug #2 2642.921 -- φ 14.4% · Kh 11.9 mD · Kv 4.7 mD · Density 2.63 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2644.445 -- φ 14.1% · Kh 8.1 mD · Kv 3.0 mD · Density 2.63 -- --
49/23- 1 ↳ Core Plug #2 2644.445 -- φ 14.1% · Kh 8.1 mD · Kv 3.0 mD · Density 2.63 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2647.493 -- φ 12.2% · Kh 5.1 mD · Kv 4.1 mD · Density 2.64 -- --
49/23- 1 ↳ Core Plug #2 2647.493 -- φ 12.2% · Kh 5.1 mD · Kv 4.1 mD · Density 2.64 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2649.017 -- φ 19.6% · Kh 25.6 mD · Kv 1.6 mD · Density 2.62 -- --
49/23- 1 ↳ Core Plug #2 2649.017 -- φ 19.6% · Kh 25.6 mD · Kv 1.6 mD · Density 2.62 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2650.541 -- φ 19.1% · Kh 54.3 mD · Kv 22.8 mD · Density 2.64 -- --
49/23- 1 ↳ Core Plug #2 2650.541 -- φ 19.1% · Kh 54.3 mD · Kv 22.8 mD · Density 2.64 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2652.065 -- φ 11.1% · Kh 15.0 mD · Kv 2.3 mD · Density 2.62 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2652.065 -- φ 11.1% · Kh 15.0 mD · Kv 2.3 mD · Density 2.62 -- --
49/23- 1 ↳ Core Plug #2 2655.113 -- φ 20.9% · Kh 84.5 mD · Kv 76.6 mD · Density 2.61 -- --
49/23- 1 ↳ Core Plug #2 2655.113 -- φ 20.9% · Kh 84.5 mD · Kv 76.6 mD · Density 2.61 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2656.637 -- φ 14.5% · Kh 8.5 mD · Kv 1.9 mD · Density 2.63 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2656.637 -- φ 14.5% · Kh 8.5 mD · Kv 1.9 mD · Density 2.63 -- --
49/23- 1 ↳ Core Plug #2 2658.161 -- φ 14.0% · Kh 105.0 mD · Kv 4.7 mD · Density 2.65 -- --
49/23- 1 ↳ Core Plug #2 2658.161 -- φ 14.0% · Kh 105.0 mD · Kv 4.7 mD · Density 2.65 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2659.685 -- φ 13.3% · Kh 0.3 mD · Kv 0.7 mD · Density 2.65 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2659.685 -- φ 13.3% · Kh 0.3 mD · Kv 0.7 mD · Density 2.65 -- --
49/23- 1 ↳ Core Plug #2 2661.209 -- φ 14.9% · Kh 0.7 mD · Kv 0.6 mD · Density 2.65 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2661.209 -- φ 14.9% · Kh 0.7 mD · Kv 0.6 mD · Density 2.65 -- --
49/23- 1 ↳ Core Plug #2 2662.733 -- φ 11.5% · Kh 14.0 mD · Kv 3.3 mD · Density 2.65 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #2 2662.733 -- φ 11.5% · Kh 14.0 mD · Kv 3.3 mD · Density 2.65 -- --
49/23- 1 Core #3 2665.78 2674.92 φ 13.4% (n=4) · Kh 1.4 mD (n=4) · Kv 1.4 mD (n=4) · Density 2.69 (n=4) · UNKNOWN NO SAMPLE NUMBER .
49/23- 1 ↳ Core Plug #3 2665.781 -- φ 16.5% · Kh 2.3 mD · Kv 2.3 mD · Density 2.68 -- --
49/23- 1 ↳ Core Plug #3 2665.781 -- φ 16.5% · Kh 2.3 mD · Kv 2.3 mD · Density 2.68 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #3 2668.829 -- φ 10.4% · Kh 0.4 mD · Kv 0.4 mD · Density 2.69 · UNKNOWN NO SAMPLE NUMBER --
49/23- 1 ↳ Core Plug #3 2668.829 -- φ 10.4% · Kh 0.4 mD · Kv 0.4 mD · Density 2.69 -- --
49/23- 1 Core #4 2676.45 2699.61 UNKNOWN CORE NOT ANALYSED .
49/23- 1 ↳ Core Plug #4 2699.004 -- UNKNOWN CORE NOT ANALYSED --

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
49/23- 1 0 -- -- --

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