Well Data Manager / Well Summary / 21/18- 5

21/18- 5

Decommissioned

Well Header

Well No
21/18- 5
NSTA DEN No
2421
Well Name
--
Drill Seq No
5
Quadrant / Block
21 / 18
Surface Location
57.341106, 0.446397
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
SHELL U.K. LIMITED
Original Operator
--
Sub Area Operator
SHELL U.K. LIMITED
Licence No
P351
Licence Type
Production
Spud Date
1984-06-16
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/18- 5 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
H
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
81.08
TD MD (m)
2655.418
TD TVDSS (m)
0.000
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1984-06-16
TD Reached
1984-07-25
Completion Date
1984-07-25
Release Date
1988-07-25

Formation Tops (25)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/18- 5 Horda Cenozoic 1509.000 1483.881 Lloyds Register
Stronsay Cenozoic 1509.000 1483.881 Lloyds Register
Upper Tay Sandstone 1629.000 1603.848 Lloyds Register
Lower Tay Sandstone 1798.000 1772.791 Lloyds Register
Moray Mesozoic 1871.000 1845.770 Lloyds Register
Sele Mesozoic 1871.000 1845.770 Lloyds Register
Forties Sandstone Mesozoic 1871.000 1845.770 Lloyds Register
Montrose Mesozoic 1880.000 1854.768 Lloyds Register
Lista Mesozoic 1880.000 1854.768 Lloyds Register
Maureen Mesozoic 1949.000 1923.751 Lloyds Register
Ekofisk Mesozoic 2021.000 1995.734 Lloyds Register
Chalk Mesozoic 2021.000 1995.734 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2045.000 2019.731 Lloyds Register
Rodby Mesozoic 2179.000 2153.715 Lloyds Register
Cromer Knoll Mesozoic 2179.000 2153.715 Lloyds Register
Sola 2205.000 2179.713 Lloyds Register
Valhall Mesozoic 2301.000 2275.698 Lloyds Register
Humber Mesozoic 2397.000 2371.671 Lloyds Register
Kimmeridge Clay 2397.000 2371.671 Lloyds Register
Fulmar Mesozoic 2501.000 2475.650 Lloyds Register
Heron Palaeozoic 2508.000 2482.648 Lloyds Register
Skagerrak Mesozoic 2508.000 2482.648 Lloyds Register
Smith Bank Mesozoic 2557.000 2531.640 Lloyds Register
Turbot Anhydrite Palaeozoic 2578.000 2552.634 Lloyds Register
Zechstein Palaeozoic 2578.000 2552.634 Lloyds Register

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
21/18- 5 8 14 3 35 25 1 2 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (32)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/18- 5 Cuttings 170.69 2654.81 -- -- .
21/18- 5 Core #1 2502.71 2521.31 φ 17.0% (n=16) · Kh 1.8 mD (n=16) · Density 2.70 (n=16) · CORE LABORATORIES UK LTD SST GR VF-FGR TR DOL CMT; SST GRY FGR DOL CMT ABD PYR NODS; SST GRY FGR SIL CMT MICA PYR; SST GRY FGR SIL CMT TR MICA; SST GRY VF-FGR DOL CMT; SST GRY VF-FGR DOL CMT ABD PYR NODS; SST GRY VF-FGR DOL CMT ABD PYR VUGGY; SST GRY VF-FGR DOL CMT PYR CLST CLSTS; SST GRY VF-FGR DOL CMT TR PYR; SST GRY VF-FGR DOL CMT TR PYR W ABD PYR NODS; SST GRY VF-FGR TR DOL CMT; SST GRY VF-FGR TR DOL CMT VUGGY; SST GRY VFGR DOL CMT .
21/18- 5 ↳ Plug 01 2503.018 -- φ 19.3% · Kh 5.3 mD · Density 2.67 · CORE LABORATORIES UK LTD SST GRY FGR SIL CMT TR MICA --
21/18- 5 ↳ Plug 02 2503.932 -- φ 4.4% · Kh 0.0 mD · Density 2.82 · CORE LABORATORIES UK LTD SST GRY VFGR DOL CMT --
21/18- 5 ↳ Plug 03 2505.151 -- φ 16.5% · Kh 0.7 mD · Density 2.70 · CORE LABORATORIES UK LTD SST GRY VF-FGR TR DOL CMT VUGGY --
21/18- 5 ↳ Plug 04 2506.37 -- φ 19.5% · Kh 1.7 mD · Density 2.65 · CORE LABORATORIES UK LTD SST GRY FGR SIL CMT MICA PYR --
21/18- 5 ↳ Plug 05 2507.59 -- φ 20.9% · Kh 0.9 mD · Density 2.67 · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT TR PYR --
21/18- 5 ↳ Plug 06 2508.809 -- φ 19.3% · Kh 0.3 mD · Density 2.68 · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT TR PYR --
21/18- 5 ↳ Plug 07 2510.028 -- φ 19.1% · Kh 0.4 mD · Density 2.68 · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT TR PYR --
21/18- 5 ↳ Plug 08 2511.247 -- φ 12.0% · Kh 0.3 mD · Density 2.73 · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT TR PYR W ABD PYR NODS --
21/18- 5 ↳ Plug 09 2512.466 -- φ 19.7% · Kh 1.6 mD · Density 2.71 · CORE LABORATORIES UK LTD SST GRY FGR DOL CMT ABD PYR NODS --
21/18- 5 ↳ Plug 10 2513.686 -- φ 19.5% · Kh 0.9 mD · Density 2.69 · CORE LABORATORIES UK LTD SST GR VF-FGR TR DOL CMT --
21/18- 5 ↳ Plug 11 2514.905 -- φ 18.8% · Kh 1.0 mD · Density 2.73 · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT ABD PYR NODS --
21/18- 5 ↳ Plug 12 2516.124 -- φ 15.7% · Kh 11.0 mD · Density 2.73 · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT ABD PYR VUGGY --
21/18- 5 ↳ Plug 13 2517.343 -- φ 13.5% · Kh 0.5 mD · Density 2.70 · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT --
21/18- 5 ↳ Plug 14 2518.562 -- φ 13.2% · Kh 1.4 mD · Density 2.70 · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT PYR CLST CLSTS --
21/18- 5 ↳ Plug 15 2519.782 -- φ 20.4% · Kh 1.4 mD · Density 2.66 · CORE LABORATORIES UK LTD SST GRY VF-FGR TR DOL CMT --
21/18- 5 ↳ Plug 16 2521.001 -- φ 19.8% · Kh 1.0 mD · Density 2.65 · CORE LABORATORIES UK LTD SST GRY VF-FGR TR DOL CMT --
21/18- 5 Core #2 2521.31 2537.4 φ 19.7% (n=13) · Kh 3.7 mD (n=13) · Density 2.65 (n=13) · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT; SST GRY VF-FGR TR DOL CMT; SST GRY VF-FGR TR DOL CMT W FRAC; SST GRY/RD VF-FGR DOL CMT; SST RD VF-FGR TR DOL CMT .
21/18- 5 ↳ Plug 17 2522.22 -- φ 23.0% · Kh 0.8 mD · Density 2.65 · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT --
21/18- 5 ↳ Plug 18 2523.439 -- φ 18.6% · Kh 0.9 mD · Density 2.68 · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT --
21/18- 5 ↳ Plug 19 2524.658 -- φ 13.8% · Kh 1.1 mD · Density 2.69 · CORE LABORATORIES UK LTD SST GRY VF-FGR DOL CMT --
21/18- 5 ↳ Plug 20 2525.878 -- φ 19.3% · Kh 12.0 mD · Density 2.66 · CORE LABORATORIES UK LTD SST GRY/RD VF-FGR DOL CMT --
21/18- 5 ↳ Plug 21 2527.097 -- φ 21.0% · Kh 0.4 mD · Density 2.64 · CORE LABORATORIES UK LTD SST RD VF-FGR TR DOL CMT --
21/18- 5 ↳ Plug 22 2528.316 -- φ 21.4% · Kh 2.0 mD · Density 2.65 · CORE LABORATORIES UK LTD SST RD VF-FGR TR DOL CMT --
21/18- 5 ↳ Plug 23 2529.535 -- φ 19.2% · Kh 0.5 mD · Density 2.64 · CORE LABORATORIES UK LTD SST RD VF-FGR TR DOL CMT --
21/18- 5 ↳ Plug 24 2530.754 -- φ 19.6% · Kh 6.7 mD · Density 2.63 · CORE LABORATORIES UK LTD SST GRY VF-FGR TR DOL CMT --
21/18- 5 ↳ Plug 25 2531.974 -- φ 17.0% · Kh 0.7 mD · Density 2.66 · CORE LABORATORIES UK LTD SST GRY VF-FGR TR DOL CMT --
21/18- 5 ↳ Plug 26 2533.193 -- φ 20.6% · Kh 1.8 mD · Density 2.66 · CORE LABORATORIES UK LTD SST GRY VF-FGR TR DOL CMT --
21/18- 5 ↳ Plug 27 2534.412 -- φ 22.5% · Kh 4.0 mD · Density 2.65 · CORE LABORATORIES UK LTD SST GRY VF-FGR TR DOL CMT W FRAC --
21/18- 5 ↳ Plug 28 2535.631 -- φ 21.7% · Kh 15.0 mD · Density 2.65 · CORE LABORATORIES UK LTD SST GRY VF-FGR TR DOL CMT --
21/18- 5 ↳ Plug 29 2536.85 -- φ 18.7% · Kh 2.3 mD · Density 2.65 · CORE LABORATORIES UK LTD SST GRY VF-FGR TR DOL CMT --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/18- 5 103.70819854736328 2683.535400390625 10 0 2026-08-06 10:16:43.733266+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/18- 5
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 853.2114 2677.4394 11971
caliper CAL CGG Digital Well Logs 2247.3666000000003 2646.9594 2623
caliper CALI CGG Digital Well Logs 852.7542000000001 2677.4394 11974
comp_sonic DT CGG Digital Well Logs 308.99100000000004 2678.049 15526
deep_resistivity LLD CGG Digital Well Logs 2247.5190000000002 2660.523 2711
deep_resistivity ILD CGG Digital Well Logs 153.3906 2683.5354 16603
density_correction DRHO CGG Digital Well Logs 853.3638000000001 2677.4394 11970
gamma_ray GR CGG Digital Well Logs 103.7082 2674.0866 16867
micro_resistivity MLL CGG Digital Well Logs 2247.5190000000002 2663.7234000000003 2732
neutron_por NPHI CGG Digital Well Logs 852.4494000000001 2674.239 11955
shallow_resistivity LLS CGG Digital Well Logs 2247.3666000000003 2660.3706 2711
sp SP CGG Digital Well Logs 2247.5190000000002 2652.5982000000004 2659

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/18- 5 90 2680.411 2655.023 D:\BigSpatial\nsta_raw\CGG_Deviation\21-18-5 4260ah_CGG-Deviation.xlsx

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