Well Data Manager / Well Summary / 15/21b- 45

15/21b- 45

Decommissioned

Well Header

Well No
15/21b- 45
NSTA DEN No
4539
Well Name
--
Drill Seq No
45
Quadrant / Block
15 / 21 b
Surface Location
58.243172, 0.018249
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
HESS LIMITED
Original Operator
--
Sub Area Operator
HESS LIMITED
Licence No
P588
Licence Type
Production
Spud Date
1991-11-17
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

15/21b- 45 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
TC
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
135.94
TD MD (m)
1956.206
TD TVDSS (m)
1955.597
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1991-11-17
TD Reached
1992-01-06
Completion Date
1992-01-18
Release Date
1996-01-18

Formation Tops (20)

Wellbore Formation Era MD (m) TVDSS (m) Provider
15/21b- 45 Horda Cenozoic 738.000 712.987 Lloyds Register
Stronsay Cenozoic 738.000 712.987 Lloyds Register
Moray Mesozoic 933.000 907.982 Lloyds Register
Balder Cenozoic 933.000 907.982 Lloyds Register
Beauly Cenozoic 951.000 925.981 Lloyds Register
Upper Dornoch Sandstone Cenozoic 970.000 944.981 Lloyds Register
Dornoch Mesozoic 970.000 944.981 Lloyds Register
Lower Dornoch Sandstone Cenozoic 1209.000 1183.974 Lloyds Register
Lista Mesozoic 1367.000 1341.965 Lloyds Register
Montrose Mesozoic 1367.000 1341.965 Lloyds Register
Balmoral Sandstone Cenozoic 1467.000 1441.956 Lloyds Register
Glamis Tuff 1492.000 1466.954 Lloyds Register
Andrew Sandstone Cenozoic 1535.000 1509.946 Lloyds Register
Maureen Mesozoic 1707.000 1681.877 Lloyds Register
Maureen Sandstone Mesozoic 1707.000 1681.877 Lloyds Register
Tor Mesozoic 1840.000 1814.804 Lloyds Register
Chalk Mesozoic 1840.000 1814.804 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1844.000 1818.801 Lloyds Register
Carboniferous Palaeozoic 1852.000 1826.797 Lloyds Register
Carboniferous Undifferentiated Palaeozoic 1852.000 1826.797 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
15/21b- 45 5 9 6 22 20 3 4 1 2 View

Hydrocarbon Occurrence (8)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
15/21b- 45 Oil shows OS Beauly Member 951.2808 -- 6 m thick
15/21b- 45 Oil shows OS Beauly Member 957.6816 -- 12 m thick
15/21b- 45 Oil shows OS Dornoch Formation 969.5688 -- 85 m thick
15/21b- 45 Oil shows OS Forties Sandstone Member 1208.8368 -- 14 m thick
15/21b- 45 Oil OW Forties Sandstone Member 1222.8576 -- 18 m thick
15/21b- 45 DST DST 1A -- 1225.3 1236.0 Label / Forties
15/21b- 45 DST DST 1 -- 1231.7 1234.7 Not used for labelling, multiple DSTs in same play / Forties
15/21b- 45 Oil shows OS Strathtay Formation 1893.4176 -- 88 m thick

Rock Samples (83)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
15/21b- 45 Cuttings 515.11 1981.2 -- -- .
15/21b- 45 Core #1 1213.1 1220.88 φ 30.4% (n=10) · Kh 1915.2 mD (n=10) · So 7.9% (n=6) · Sw 44.5% (n=6) · Sg 47.6% (n=6) · Density 2.70 (n=10) · SIMON ROBERTSON FRACTURES NO ANALYSIS; MUDSTONE NO ANALYSIS; PLUG FAILED IN CLEANING; RUBBLE NO ANALYSIS .
15/21b- 45 ↳ Core Plug #1 1213.104 -- SIMON ROBERTSON MUDSTONE NO ANALYSIS --
15/21b- 45 ↳ Core Plug #1 1215.847 -- SIMON ROBERTSON MUDSTONE NO ANALYSIS --
15/21b- 45 ↳ Plug 11 1216.0 -- φ 36.1% · Kh 2370.0 mD · So 2.9% · Sw 36.8% · Sg 60.3% · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Core Plug #1 1216.457 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Core Plug #1 1216.762 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Plug 14 1217.066 -- φ 33.4% · Kh 1920.0 mD · Density 2.66 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 15 1217.371 -- φ 34.8% · Kh 3540.0 mD · So 1.2% · Sw 56.1% · Sg 42.7% · Density 2.63 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 16 1217.737 -- φ 29.0% · Kh 3670.0 mD · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 17 1218.011 -- φ 35.9% · Kh 4430.0 mD · So 0.1% · Sw 23.2% · Sg 76.7% · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 18 1218.286 -- SIMON ROBERTSON MUDSTONE NO ANALYSIS --
15/21b- 45 ↳ Plug 19 1218.712 -- SIMON ROBERTSON PLUG FAILED IN CLEANING --
15/21b- 45 ↳ Plug 20 1219.032 -- φ 15.3% · Kh 14.4 mD · Density 2.98 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 21 1219.261 -- φ 19.8% · Kh 77.0 mD · So 5.6% · Sw 37.0% · Sg 57.4% · Density 2.91 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 22 1219.505 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Plug 23 1219.855 -- φ 33.6% · Kh 677.0 mD · So 13.0% · Sw 64.2% · Sg 22.8% · Density 2.61 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 24 1220.084 -- φ 30.4% · Kh 1910.0 mD · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 25 1220.343 -- φ 35.7% · Kh 544.0 mD · So 24.4% · Sw 49.9% · Sg 25.7% · Density 2.66 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 26 1220.724 -- SIMON ROBERTSON RUBBLE NO ANALYSIS --
15/21b- 45 Core #2 1222.55 1228.04 φ 33.4% (n=9) · Kh 1831.2 mD (n=8) · So 45.6% (n=4) · Sw 47.7% (n=4) · Sg 6.7% (n=4) · Density 2.64 (n=9) · SIMON ROBERTSON FRACTURES NO ANALYSIS; MUDSTONE NO ANALYSIS; RUBBLE NO ANALYSIS .
15/21b- 45 ↳ Core Plug #2 1222.553 -- SIMON ROBERTSON MUDSTONE NO ANALYSIS --
15/21b- 45 ↳ Core Plug #2 1222.858 -- SIMON ROBERTSON MUDSTONE NO ANALYSIS --
15/21b- 45 ↳ Plug 29 1223.101 -- φ 35.1% · Kh 2600.0 mD · So 37.2% · Sw 51.1% · Sg 11.7% · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 30 1223.376 -- φ 35.5% · Kh 1510.0 mD · Density 2.66 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 31 1223.833 -- φ 36.0% · Kh 800.0 mD · So 34.7% · Sw 58.0% · Sg 7.3% · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Core Plug #2 1224.077 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Core Plug #2 1224.382 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Plug 34 1224.61 -- φ 34.1% · Kh 2350.0 mD · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 35 1224.991 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Plug 36 1225.418 -- φ 34.3% · Kh 2510.0 mD · Density 2.63 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Core Plug #2 1225.601 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Core Plug #2 1225.906 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Plug 39 1226.119 -- φ 34.0% · So 52.5% · Sw 42.0% · Sg 5.5% · Density 2.63 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Core Plug #2 1226.515 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Plug 41 1226.85 -- φ 35.0% · Kh 2250.0 mD · So 58.0% · Sw 39.6% · Sg 2.4% · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 42 1227.247 -- φ 25.8% · Kh 1370.0 mD · Density 2.63 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 43 1227.43 -- SIMON ROBERTSON MUDSTONE NO ANALYSIS --
15/21b- 45 ↳ Plug 44 1227.643 -- φ 30.5% · Kh 1260.0 mD · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 45 1228.039 -- SIMON ROBERTSON RUBBLE NO ANALYSIS --
15/21b- 45 Core #3 1230.48 1234.14 φ 29.2% (n=8) · Kh 1678.3 mD (n=5) · So 54.5% (n=4) · Sw 31.7% (n=4) · Sg 13.8% (n=4) · Density 2.74 (n=8) · SIMON ROBERTSON FRACTURES NO ANALYSIS; RUBBLE NO ANALYSIS .
15/21b- 45 ↳ Plug 46 1230.569 -- φ 10.1% · Kh 23.7 mD · Density 3.24 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Core Plug #3 1230.782 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Core Plug #3 1231.087 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Plug 49 1231.346 -- φ 21.9% · Kh 488.0 mD · So 45.6% · Sw 29.9% · Sg 24.5% · Density 2.88 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 50 1231.697 -- φ 32.9% · Kh 1780.0 mD · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 51 1232.002 -- φ 31.6% · So 67.3% · Sw 22.5% · Sg 10.2% · Density 2.61 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 52 1232.398 -- φ 34.8% · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Core Plug #3 1232.611 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Core Plug #3 1232.916 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Plug 55 1233.267 -- φ 36.7% · So 55.6% · Sw 43.2% · Sg 1.2% · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 56 1233.541 -- φ 35.7% · Kh 3240.0 mD · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 57 1233.8 -- φ 30.1% · Kh 2860.0 mD · So 49.6% · Sw 31.1% · Sg 19.3% · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 58 1234.135 -- SIMON ROBERTSON RUBBLE NO ANALYSIS --
15/21b- 45 Core #4 1238.1 1246.94 φ 33.4% (n=22) · Kh 2669.6 mD (n=21) · So 0.7% (n=10) · Sw 88.5% (n=10) · Sg 10.8% (n=10) · Density 2.66 (n=22) · SIMON ROBERTSON FRACTURES NO ANALYSIS; MUDSTONE NO ANALYSIS; RUBBLE NO ANALYSIS .
15/21b- 45 ↳ Core Plug #4 1238.707 -- SIMON ROBERTSON MUDSTONE NO ANALYSIS --
15/21b- 45 ↳ Plug 62 1239.088 -- φ 35.0% · Kh 2210.0 mD · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 63 1239.332 -- φ 33.5% · Kh 2290.0 mD · So 0.4% · Sw 84.2% · Sg 15.4% · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 64 1239.622 -- φ 33.0% · Kh 1140.0 mD · Density 2.63 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 65 1240.079 -- φ 26.5% · Kh 1590.0 mD · So 0.1% · Sw 90.3% · Sg 9.6% · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 66 1240.246 -- φ 33.2% · Kh 1920.0 mD · Density 2.66 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 67 1240.536 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Plug 68 1240.902 -- φ 25.8% · Kh 592.0 mD · Density 2.85 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 69 1241.268 -- φ 30.6% · Kh 1650.0 mD · So 0.8% · Sw 83.2% · Sg 16.0% · Density 2.79 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 70 1241.603 -- φ 25.0% · Kh 1430.0 mD · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 71 1241.755 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Plug 72 1242.06 -- φ 33.9% · Kh 2730.0 mD · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 73 1242.319 -- φ 32.3% · Kh 2560.0 mD · So 0.2% · Sw 98.2% · Sg 1.6% · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 74 1242.731 -- φ 33.5% · Kh 1480.0 mD · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 75 1243.02 -- φ 33.6% · Kh 2050.0 mD · So 1.3% · Sw 91.1% · Sg 7.6% · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 76 1243.386 -- φ 35.7% · Kh 1680.0 mD · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 77 1243.721 -- φ 37.4% · Kh 1970.0 mD · So 0.1% · Sw 91.7% · Sg 8.2% · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 78 1243.889 -- φ 35.8% · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 79 1244.194 -- φ 35.0% · Kh 3920.0 mD · So 1.3% · Sw 81.2% · Sg 17.5% · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 80 1244.498 -- SIMON ROBERTSON FRACTURES NO ANALYSIS --
15/21b- 45 ↳ Plug 81 1244.803 -- φ 36.8% · Kh 3650.0 mD · So 0.6% · Sw 94.9% · Sg 4.5% · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 82 1245.108 -- φ 35.4% · Kh 3270.0 mD · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 83 1245.504 -- φ 37.6% · Kh 4280.0 mD · So 1.1% · Sw 90.9% · Sg 8.0% · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 84 1245.718 -- φ 35.1% · Kh 5350.0 mD · Density 2.64 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 85 1246.022 -- φ 36.0% · Kh 6170.0 mD · So 0.9% · Sw 79.2% · Sg 19.9% · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Plug 86 1246.388 -- φ 35.0% · Kh 4130.0 mD · Density 2.65 · SIMON ROBERTSON -- --
15/21b- 45 ↳ Core Plug #4 1246.632 -- SIMON ROBERTSON RUBBLE NO ANALYSIS --
15/21b- 45 ↳ Core Plug #4 1246.937 -- SIMON ROBERTSON RUBBLE NO ANALYSIS --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
15/21b- 45 161.23919677734375 1956.2064208984375 11 0 2026-08-06 08:25:16.692682+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
15/21b- 45
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 161.2392 1956.2064 11752
caliper CALI OGA Batch Unzipped 161.2392 1956.2064 11663
comp_sonic DT OGA Batch Unzipped 161.2392 1956.2064 11701
deep_resistivity RES_DEP OGA Batch Unzipped 161.2392 1956.2064 11723
density_correction DENC OGA Batch Unzipped 161.2392 1956.2064 11752
gamma_ray GR OGA Batch Unzipped 161.2392 1956.2064 11714
med_resistivity RES_MED OGA Batch Unzipped 465.42960000000005 1956.2064 9774
micro_resistivity RES_MIC OGA Batch Unzipped 161.2392 1956.2064 11763
neutron_por NEU OGA Batch Unzipped 161.2392 1956.2064 11717
shallow_resistivity RES_SLW OGA Batch Unzipped 161.2392 1824.228 10149
sp SP OGA Batch Unzipped 465.42960000000005 1956.2064 9533

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
15/21b- 45 55 1981.200 1955.898 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_15\15_21b- 45\WELL_PATH\WDD_QC\15_21b-_45_wdd_WDD_FILE_1678392_DATACO_MAPPED.csv

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