Well Data Manager / Well Summary / 9/23b- 4

9/23b- 4

Decommissioned

Well Header

Well No
9/23b- 4
NSTA DEN No
2633
Well Name
--
Drill Seq No
4
Quadrant / Block
9 / 23 b
Surface Location
59.262089, 1.458158
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
BRITOIL LIMITED
Original Operator
--
Sub Area Operator
BRITOIL LIMITED
Licence No
P478
Licence Type
Production
Spud Date
1985-04-01
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

9/23b- 4 Original parent: 9/23b- 4J
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
D
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
114.00
TD MD (m)
3505.200
TD TVDSS (m)
0.000
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1985-04-01
TD Reached
1985-05-20
Completion Date
1985-05-26
Release Date
1989-05-26
9/23b- 4J Sidetrack J
Abandoned Phase 3 Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
--
Dev Type
--
Convention
--
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
114.00
TD MD (m)
213.360
TD TVDSS (m)
--
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1985-03-31
TD Reached
1985-03-31
Completion Date
1985-04-01
Release Date
1989-04-01

Formation Tops (9)

Wellbore Formation Era MD (m) TVDSS (m) Provider
9/23b- 4 Upper Mousa Cenozoic 991.000 965.974 Ternan
Caran Sst 1217.000 1191.967 Ternan
Hermod Sst 1910.000 1873.495 Ternan
Skadan Sst 2046.000 1997.939 Ternan
Maureen Sst Mesozoic 2424.000 2333.699 Ternan
Shetland Mesozoic 2735.000 2613.663 Ternan
Brae Sst 2788.000 2663.017 Ternan
Hugin 3112.000 2969.922 Ternan
Cormorant Mesozoic 3383.000 3235.166 Ternan

Lithology Intervals

9/23b- 4 Curve: SANDCOUNT 133 intervals  ·  MD 537.972 – 3505.352 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NNS, ESP, ...
Sandstone (122)
Limestone (10)
Coal (1)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
9/23b- 4 0 0 0 26 9 0 1 1 0 View
9/23b- 4J 0 0 0 0 0 0 0 0 0

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
9/23b- 4 Oil shows OS Montrose Group 1909.5720000000001 -- 826 m thick

Rock Samples (61)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
9/23b- 4 Cuttings 557.78 3505.2 -- -- .
9/23b- 4 Core #1 3146.76 3165.04 φ 15.3% (n=47) · Kh 701.8 mD (n=47) · Kv 296.5 mD (n=45) · So 17.6% (n=56) · Sw 56.0% (n=56) · Density 2.62 (n=47) · FSP 19.9 (n=56) · ABERDEEN PETROLEUM N.P.; N.P.- SHALEY NO ANALYSIS; PYRITIC; SHALEY; VERT. BETTER CEMENTED; VERT. FINER GRAINED; WAXED SAMPLE NO ANALYSIS preserved samples taken .
9/23b- 4 ↳ Plug G2 3147.06 -- φ 20.2% · Kh 232.0 mD · Kv 310.0 mD · So 20.1% · Sw 41.7% · Density 2.63 · FSP 25.7 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G3 3147.365 -- φ 13.2% · Kh 28.6 mD · Kv 154.0 mD · So 21.1% · Sw 34.8% · Density 2.63 · FSP 28.7 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G4 3147.67 -- φ 17.0% · Kh 1573.0 mD · Kv 1099.0 mD · So 18.0% · Sw 48.5% · Density 2.64 · FSP 21.1 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G5 3147.974 -- φ 15.5% · Kh 265.0 mD · So 25.1% · Sw 48.6% · Density 2.65 · FSP 16.4 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G6 3148.279 -- φ 19.1% · Kh 2457.0 mD · Kv 827.0 mD · So 23.6% · Sw 52.9% · Density 2.64 · FSP 19.3 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G7 3148.584 -- φ 17.5% · Kh 1757.0 mD · Kv 1198.0 mD · So 35.6% · Sw 41.6% · Density 2.66 · FSP 23.9 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G8 3148.889 -- Kv 0.1 mD · ABERDEEN PETROLEUM N.P.- SHALEY NO ANALYSIS --
9/23b- 4 ↳ Core Plug #1 3149.194 -- ABERDEEN PETROLEUM WAXED SAMPLE NO ANALYSIS --
9/23b- 4 ↳ Plug G8F 3149.498 -- So 33.5% · Sw 44.5% · FSP 13.8 · ABERDEEN PETROLEUM N.P. --
9/23b- 4 ↳ Plug G9 3149.803 -- Kv 48.4 mD · So 22.9% · Sw 39.4% · FSP 18.9 · ABERDEEN PETROLEUM N.P. --
9/23b- 4 ↳ Plug G10 3150.108 -- So 20.9% · Sw 64.3% · FSP 28.7 · ABERDEEN PETROLEUM N.P. --
9/23b- 4 ↳ Plug G11 3150.413 -- φ 12.5% · Kh 3.3 mD · So 19.2% · Sw 57.9% · Density 2.76 · FSP 16.7 · ABERDEEN PETROLEUM PYRITIC --
9/23b- 4 ↳ Plug G12 3150.718 -- Kv 81.6 mD · So 17.7% · Sw 49.7% · FSP 17.4 · ABERDEEN PETROLEUM N.P. --
9/23b- 4 ↳ Plug G13 3151.022 -- So 13.3% · Sw 59.3% · FSP 21.9 · ABERDEEN PETROLEUM N.P. --
9/23b- 4 ↳ Plug G14 3151.327 -- φ 15.4% · Kh 3140.0 mD · So 35.7% · Sw 33.1% · Density 2.67 · FSP 15.9 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G15 3151.632 -- φ 17.6% · Kh 945.0 mD · Kv 698.0 mD · So 22.3% · Sw 52.0% · Density 2.65 · FSP 17.8 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G16 3151.937 -- φ 18.5% · Kh 7064.0 mD · Kv 4262.0 mD · So 32.2% · Sw 36.7% · Density 2.64 · FSP 26.8 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G17 3152.242 -- φ 15.6% · Kh 2574.0 mD · Kv 1.1 mD · So 23.9% · Sw 42.5% · Density 2.65 · FSP 26.5 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G18 3152.546 -- So 14.1% · Sw 50.3% · FSP 10.0 · ABERDEEN PETROLEUM N.P. --
9/23b- 4 ↳ Plug G19 3152.851 -- φ 19.8% · Kh 127.0 mD · Kv 109.0 mD · So 16.8% · Sw 59.0% · Density 2.64 · FSP 28.6 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G20 3153.156 -- φ 12.8% · Kh 8.8 mD · Kv 6.5 mD · So 11.2% · Sw 61.5% · Density 2.62 · FSP 18.5 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G21 3153.461 -- φ 7.5% · Kh 2.4 mD · Kv 2.5 mD · So 12.6% · Sw 77.6% · Density 2.57 · FSP 14.9 · ABERDEEN PETROLEUM SHALEY --
9/23b- 4 ↳ Plug G22 3153.766 -- So 10.2% · Sw 68.5% · FSP 11.4 · ABERDEEN PETROLEUM N.P. --
9/23b- 4 ↳ Plug G23 3154.07 -- φ 16.6% · Kh 809.0 mD · Kv 518.0 mD · So 39.2% · Sw 27.5% · Density 2.63 · FSP 21.2 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G24 3154.375 -- φ 14.6% · Kh 357.0 mD · Kv 1068.0 mD · So 47.9% · Sw 33.3% · Density 2.63 · FSP 15.3 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G25 3154.68 -- φ 15.7% · Kh 850.0 mD · Kv 621.0 mD · So 33.2% · Sw 34.8% · Density 2.65 · FSP 19.3 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G26 3154.985 -- φ 10.1% · Kh 6.9 mD · Kv 9.7 mD · So 43.9% · Sw 46.1% · Density 2.64 · FSP 24.5 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G27 3155.29 -- φ 17.8% · Kh 36.1 mD · Kv 34.2 mD · So 18.1% · Sw 43.4% · Density 2.63 · FSP 18.4 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G28 3155.594 -- φ 20.4% · Kh 65.5 mD · Kv 26.6 mD · So 19.1% · Sw 58.3% · Density 2.61 · FSP 23.0 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G29 3155.899 -- So 19.6% · Sw 53.1% · FSP 23.4 · ABERDEEN PETROLEUM N.P. --
9/23b- 4 ↳ Plug G30 3156.204 -- φ 7.2% · Kh 0.2 mD · Kv 0.1 mD · So 22.6% · Sw 53.5% · Density 2.58 · FSP 21.4 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G31 3156.509 -- φ 11.5% · Kh 1.0 mD · Kv 0.6 mD · So 9.4% · Sw 70.3% · Density 2.57 · FSP 14.5 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G32 3156.814 -- φ 9.9% · Kh 0.3 mD · Kv 1.6 mD · So 5.6% · Sw 67.3% · Density 2.57 · FSP 19.2 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G33 3157.118 -- φ 20.5% · Kh 74.0 mD · Kv 26.3 mD · So 5.9% · Sw 62.8% · Density 2.63 · FSP 21.4 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G34 3157.423 -- φ 7.4% · Kh 0.1 mD · Kv 0.1 mD · So 9.7% · Sw 58.3% · Density 2.58 · FSP 18.2 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G35 3157.728 -- φ 18.9% · Kh 6.9 mD · Kv 0.2 mD · So 9.4% · Sw 62.8% · Density 2.64 · FSP 22.7 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G36 3158.033 -- φ 20.0% · Kh 30.1 mD · Kv 2.9 mD · So 13.1% · Sw 60.0% · Density 2.63 · FSP 21.7 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G37 3158.338 -- φ 16.2% · Kh 1.3 mD · Kv 2.8 mD · So 1.1% · Sw 75.0% · Density 2.63 · FSP 21.5 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G38 3158.642 -- φ 9.1% · Kh 0.3 mD · Kv 0.5 mD · So 4.7% · Sw 64.6% · Density 2.57 · FSP 18.1 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G39 3158.947 -- φ 20.2% · Kh 48.4 mD · Kv 21.0 mD · So 9.9% · Sw 63.5% · Density 2.63 · FSP 17.9 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G40 3159.252 -- φ 17.6% · Kh 295.0 mD · Kv 228.0 mD · So 16.6% · Sw 61.8% · Density 2.63 · FSP 22.2 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G41 3159.557 -- φ 15.2% · Kh 1016.0 mD · Kv 58.1 mD · So 32.9% · Sw 44.3% · Density 2.63 · FSP 22.1 · ABERDEEN PETROLEUM VERT. FINER GRAINED --
9/23b- 4 ↳ Plug G42 3159.862 -- φ 17.9% · Kh 2101.0 mD · So 25.9% · Sw 54.5% · Density 2.64 · FSP 22.4 · ABERDEEN PETROLEUM N.P. --
9/23b- 4 ↳ Plug G43 3160.166 -- φ 17.1% · Kh 2651.0 mD · Kv 48.8 mD · So 15.2% · Sw 47.5% · Density 2.67 · FSP 24.4 · ABERDEEN PETROLEUM VERT. BETTER CEMENTED --
9/23b- 4 ↳ Plug G44 3160.471 -- φ 17.4% · Kh 3251.0 mD · Kv 474.0 mD · So 37.8% · Sw 40.7% · Density 2.63 · FSP 18.1 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G45 3160.776 -- φ 16.4% · Kh 1001.0 mD · Kv 1387.0 mD · So 33.3% · Sw 35.9% · Density 2.63 · FSP 20.2 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Core Plug #1 3161.081 -- ABERDEEN PETROLEUM WAXED SAMPLE NO ANALYSIS --
9/23b- 4 ↳ Plug G46 3161.386 -- φ 10.8% · Kh 179.0 mD · So 19.4% · Sw 50.5% · Density 2.64 · FSP 12.0 · ABERDEEN PETROLEUM N.P. --
9/23b- 4 ↳ Plug G47 3161.69 -- φ 17.3% · Kh 1.8 mD · Kv 0.5 mD · So 1.3% · Sw 75.6% · Density 2.58 · FSP 18.6 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G48 3161.995 -- φ 18.3% · Kh 1.5 mD · Kv 0.1 mD · So 1.4% · Sw 79.7% · Density 2.61 · FSP 17.5 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G49 3162.3 -- φ 8.5% · Kh 0.0 mD · Kv 3.1 mD · So 1.4% · Sw 78.5% · Density 2.60 · FSP 16.6 · ABERDEEN PETROLEUM SHALEY --
9/23b- 4 ↳ Plug G50 3162.605 -- φ 14.7% · Kh 0.7 mD · Kv 0.1 mD · So 10.9% · Sw 62.4% · Density 2.59 · FSP 19.9 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G51 3162.91 -- φ 5.8% · Kh 0.1 mD · Kv 0.0 mD · So 14.6% · Sw 77.2% · Density 2.59 · FSP 11.3 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G52 3163.214 -- So 1.9% · Sw 82.5% · FSP 13.0 · ABERDEEN PETROLEUM N.P. --
9/23b- 4 ↳ Plug G53 3163.519 -- φ 19.4% · Kh 5.4 mD · Kv 3.9 mD · So 0.9% · Sw 76.0% · Density 2.63 · FSP 23.9 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G54 3163.824 -- φ 15.1% · Kh 1.0 mD · Kv 0.4 mD · So 1.1% · Sw 72.7% · Density 2.59 · FSP 20.9 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G55 3164.129 -- φ 11.1% · Kh 0.4 mD · Kv 0.3 mD · So 6.1% · Sw 62.8% · Density 2.57 · FSP 21.5 · ABERDEEN PETROLEUM SHALEY --
9/23b- 4 ↳ Plug G56 3164.434 -- φ 16.6% · Kh 1.7 mD · Kv 0.6 mD · So 1.1% · Sw 64.1% · Density 2.59 · FSP 20.6 · ABERDEEN PETROLEUM -- --
9/23b- 4 ↳ Plug G57 3164.738 -- φ 21.6% · Kh 13.7 mD · Kv 8.7 mD · So 1.0% · Sw 71.3% · Density 2.62 · FSP 21.8 · ABERDEEN PETROLEUM -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/23b- 4 136.55039978027344 3507.33349609375 10 0 2026-08-06 19:04:25.090435+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/23b- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN CGG Digital Well Logs 2283.714 3503.5236 8005
caliper CAL CGG Digital Well Logs 1283.8176 3503.6760000000004 14567
comp_sonic AC CGG Digital Well Logs 533.8572 3499.7136 19462
deep_resistivity RILD CGG Digital Well Logs 534.0096 3506.5716 19506
density_correction CORR CGG Digital Well Logs 2284.3236 3503.6760000000004 8002
gamma_ray GRD CGG Digital Well Logs 2282.7996000000003 3504.7428 4801
gamma_ray GR CGG Digital Well Logs 136.5504 3496.2084 22046
med_resistivity RILM CGG Digital Well Logs 534.0096 3507.3336000000004 19511
neutron_por CNC CGG Digital Well Logs 2283.2568 3501.9996 7998
potassium K CGG Digital Well Logs 2285.2380000000003 3504.8952000000004 4785
shallow_resistivity RFOC CGG Digital Well Logs 534.0096 1295.2476000000001 4996
sp SP CGG Digital Well Logs 533.8572 1295.8572000000001 5001
thorium TH CGG Digital Well Logs 2285.2380000000003 3504.7428 4785

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/23b- 4 57 3510.077 3360.424 D:\BigSpatial\nsta_raw\CGG_Deviation\9-23b-4 2874r-CGG_Deviation.xlsx
9/23b- 4J 0 -- -- --

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