Well Data Manager / Well Summary / 21/18- 2

21/18- 2

Decommissioned

Well Header

Well No
21/18- 2
NSTA DEN No
--
Well Name
--
Drill Seq No
2
Quadrant / Block
21 / 18
Surface Location
57.471153, 0.515449
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
ENQUEST HEATHER LIMITED
Original Operator
SHELL / ESSO
Sub Area Operator
ENQUEST HEATHER LIMITED
Licence No
P351
Licence Type
Production
Spud Date
1981-03-20
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

21/18- 2 Original
Abandoned Phase 3 Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Unknown
Dev Type
--
Convention
--
Primary Target
--
Well Seq
--
Datum Type
--
Datum Elev (m)
--
Ground Elev (m)
--
Water Depth (m)
--
TD MD (m)
--
TD TVDSS (m)
--
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1981-03-20
TD Reached
1981-03-28
Completion Date
1981-04-20
Release Date
1985-04-20
21/18- 2A Sidetrack A parent: 21/18- 2AJ
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas and Oil Well
Dev Type
--
Convention
--
Primary Target
B
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.603
Ground Elev (m)
--
Water Depth (m)
86.87
TD MD (m)
3255.264
TD TVDSS (m)
3229.661
TD Datum Depth (m)
25.603
TD Datum Type
Kelly Bushing
Spud Date
1981-04-22
TD Reached
1981-07-23
Completion Date
1981-09-12
Release Date
1985-09-12

Formation Tops (0)

No formation tops ingested for this well.

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- 2 0 0 0 0 0 0 0 0 0
21/18- 2A 8 14 3 45 0 2 8 1 3 View

Hydrocarbon Occurrence (5)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
21/18- 2A Oil shows OS Fulmar Formation 2996.7936 -- 60 m thick
21/18- 2A DST DST 2 -- 3017.5 3035.8 Label / Upper Jurassic
21/18- 2A Oil shows OS * 3056.8392000000003 -- 53 m thick
21/18- 2A DST DST 1 -- 3063.2 3089.5 Label / Jurassic
21/18- 2A DST DST 1 -- 3063.3 3089.5 Label / Triassic

Rock Samples (78)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/18- 2A Cuttings 624.84 3252.22 -- -- .
21/18- 2A Core #1 2964.03 2966.89 -- -- whole core sidetrack 1 (well re-boxed - originally curated Sep`81/Mar82)
21/18- 2A Core #2 2967.15 2985.15 -- -- whole core sidetrack 1
21/18- 2A Core #3 3008.38 3026.76 φ 27.2% (n=16) · Kh 473.9 mD (n=15) · Density 2.66 (n=16) · CORE LABORATORIES U.K. LTD. PLUG DISTINTIGRATED | SS GY F-MG SIL CMT sidetrack 1
21/18- 2A ↳ Plug 01 3009.26 -- φ 25.6% · Kh 125.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 02 3010.357 -- φ 29.0% · Kh 392.0 mD · Density 2.67 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 03 3011.363 -- φ 28.7% · Kh 573.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 04 3012.308 -- φ 29.9% · Kh 833.0 mD · Density 2.67 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 05 3013.283 -- φ 32.1% · Density 2.70 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 06 3014.289 -- φ 29.8% · Kh 385.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 07 3015.234 -- φ 28.2% · Kh 645.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 08 3016.209 -- φ 31.0% · Kh 976.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 09 3017.185 -- φ 30.1% · Kh 513.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 10 3018.16 -- CORE LABORATORIES U.K. LTD. PLUG DISTINTIGRATED --
21/18- 2A ↳ Plug 11 3019.105 -- CORE LABORATORIES U.K. LTD. PLUG DISTINTIGRATED --
21/18- 2A ↳ Plug 12 3020.111 -- φ 25.9% · Kh 425.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 13 3021.117 -- φ 22.4% · Kh 482.0 mD · Density 2.64 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 14 3022.122 -- φ 25.3% · Kh 276.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 15 3023.159 -- φ 24.8% · Kh 313.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 16 3024.165 -- φ 24.3% · Kh 285.0 mD · Density 2.64 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 17 3025.17 -- φ 24.4% · Kh 432.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 18 3026.176 -- φ 24.0% · Kh 454.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A Core #4 3026.66 3044.89 φ 20.6% (n=17) · Kh 294.2 mD (n=17) · Density 2.67 (n=17) · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT; SS GY FG SIL CMT; SS GY MG SIL CMT; SS GY VFG CALC CMT; SS GY VFG SIL CMT sidetrack 1
21/18- 2A ↳ Plug 19 3027.517 -- φ 23.1% · Kh 739.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 20 3028.584 -- φ 23.5% · Kh 303.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 21 3029.621 -- φ 23.8% · Kh 309.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 22 3030.657 -- φ 24.6% · Kh 382.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 23 3031.754 -- φ 24.7% · Kh 576.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 24 3032.79 -- φ 23.5% · Kh 234.0 mD · Density 2.67 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 25 3033.857 -- φ 23.5% · Kh 264.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 26 3034.863 -- φ 23.8% · Kh 362.0 mD · Density 2.64 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 27 3035.93 -- φ 24.8% · Kh 411.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 28 3036.936 -- φ 24.5% · Kh 406.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 29 3037.789 -- φ 21.3% · Kh 89.0 mD · Density 2.69 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 30 3038.826 -- φ 6.0% · Kh 0.1 mD · Density 2.72 · CORE LABORATORIES U.K. LTD. SS GY VFG CALC CMT --
21/18- 2A ↳ Plug 31 3039.923 -- φ 22.2% · Kh 66.0 mD · Density 2.67 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 32 3040.898 -- φ 20.1% · Kh 648.0 mD · Density 2.68 · CORE LABORATORIES U.K. LTD. SS GY MG SIL CMT --
21/18- 2A ↳ Plug 33 3041.953 -- φ 6.7% · Kh 25.0 mD · Density 2.71 · CORE LABORATORIES U.K. LTD. SS GY VFG SIL CMT --
21/18- 2A ↳ Plug 34 3042.867 -- φ 18.2% · Kh 186.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY F-MG SIL CMT --
21/18- 2A ↳ Plug 35 3044.19 -- φ 15.3% · Kh 1.9 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A Core #5 3045.26 3063.62 φ 15.8% (n=18) · Kh 1.5 mD (n=16) · Density 2.67 (n=18) · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT; SS GY VFG CALC CMT; SS GY VFG SIL CMT sidetrack 1
21/18- 2A ↳ Plug 36 3046.171 -- φ 13.9% · Kh 0.6 mD · Density 2.68 · CORE LABORATORIES U.K. LTD. SS GY VFG SIL CMT --
21/18- 2A ↳ Plug 37 3047.162 -- φ 1.2% · Kh 0.0 mD · Density 2.84 · CORE LABORATORIES U.K. LTD. SS GY VFG CALC CMT --
21/18- 2A ↳ Plug 38 3048.213 -- φ 13.6% · Kh 0.2 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 39 3049.189 -- φ 15.2% · Kh 0.1 mD · Density 2.68 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 40 3050.21 -- φ 14.4% · Kh 0.1 mD · Density 2.68 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 41 3051.231 -- φ 13.8% · Kh 3.3 mD · Density 2.67 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 42 3052.267 -- φ 14.3% · Kh 0.2 mD · Density 2.68 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 43 3053.09 -- φ 16.0% · Kh 0.5 mD · Density 2.70 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 44 3054.218 -- φ 19.0% · Kh 5.1 mD · Density 2.64 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 45 3055.285 -- φ 14.9% · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 46 3056.278 -- φ 16.3% · Kh 1.1 mD · Density 2.64 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 47 3057.266 -- φ 17.7% · Kh 1.1 mD · Density 2.67 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 48 3058.388 -- φ 16.9% · Kh 1.0 mD · Density 2.67 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 49 3059.278 -- φ 19.1% · Kh 4.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 50 3060.405 -- φ 20.2% · Kh 0.3 mD · Density 2.64 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 51 3061.472 -- φ 18.3% · Density 2.68 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 52 3062.478 -- φ 19.9% · Kh 2.5 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 53 3063.514 -- φ 19.5% · Kh 4.4 mD · Density 2.64 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A Core #6 3063.54 3074.41 φ 16.1% (n=10) · Kh 4.8 mD (n=9) · Density 2.66 (n=10) · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT sidetrack 1
21/18- 2A ↳ Plug 54 3064.368 -- φ 19.9% · Kh 9.8 mD · Density 2.64 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 55 3065.404 -- φ 14.1% · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 56 3066.623 -- φ 21.7% · Kh 11.0 mD · Density 2.64 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 57 3067.873 -- φ 14.8% · Kh 1.0 mD · Density 2.67 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 58 3068.757 -- φ 13.2% · Kh 0.3 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 59 3069.854 -- φ 16.6% · Kh 1.9 mD · Density 2.68 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 60 3070.769 -- φ 8.5% · Kh 0.1 mD · Density 2.68 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 61 3071.652 -- φ 17.2% · Kh 7.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 62 3072.75 -- φ 16.7% · Kh 3.8 mD · Density 2.64 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 63 3073.634 -- φ 18.7% · Kh 8.4 mD · Density 2.65 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A Core #7 3081.83 3087.29 φ 10.5% (n=5) · Kh 0.2 mD (n=5) · Density 2.62 (n=5) · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT; SS GY VFG SIL CMT; SS GY/PK FG SIL CMT; SS PK FG SIL CMT sidetrack 1
21/18- 2A ↳ Plug 64 3082.046 -- φ 16.8% · Kh 0.7 mD · Density 2.66 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 65 3084.271 -- φ 8.5% · Kh 0.1 mD · Density 2.70 · CORE LABORATORIES U.K. LTD. SS GY VFG SIL CMT --
21/18- 2A ↳ Plug 66 3085.094 -- φ 7.5% · Kh 0.1 mD · Density 2.59 · CORE LABORATORIES U.K. LTD. SS GY FG SIL CMT --
21/18- 2A ↳ Plug 67 3086.435 -- φ 10.6% · Kh 0.1 mD · Density 2.58 · CORE LABORATORIES U.K. LTD. SS PK FG SIL CMT --
21/18- 2A ↳ Plug 68 3086.862 -- φ 9.0% · Kh 0.1 mD · Density 2.56 · CORE LABORATORIES U.K. LTD. SS GY/PK FG SIL CMT --
21/18- 2A Core #8 3091.89 3095.52 φ 12.1% (n=1) · Kh 0.2 mD (n=1) · Density 2.69 (n=1) · CORE LABORATORIES U.K. LTD. SS RD FG SIL CMT sidetrack 1
21/18- 2A ↳ Plug 69 3094.939 -- φ 12.1% · Kh 0.2 mD · Density 2.69 · CORE LABORATORIES U.K. LTD. SS RD FG SIL CMT --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/18- 2A 34.74720001220703 3260.140869140625 10 0 2026-08-06 17:24:56.692195+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/18- 2A
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN CGG Digital Well Logs 611.7336 3260.1408 17352
caliper CALI CGG Digital Well Logs 611.4288 3260.1408 17362
caliper CALS CGG Digital Well Logs 2987.802 3117.6468 853
comp_sonic AC CGG Digital Well Logs 614.172 3252.8256 17262
deep_resistivity RILD CGG Digital Well Logs 612.1908000000001 3257.8548 17332
deep_resistivity RD CGG Digital Well Logs 2987.802 3117.6468 853
density_correction CORR CGG Digital Well Logs 612.4956000000001 3260.1408 17353
gamma_ray GRD CGG Digital Well Logs 603.8088 3260.1408 17431
gamma_ray GR CGG Digital Well Logs 34.7472 3249.168 21016
gamma_ray GRL CGG Digital Well Logs 2987.802 3117.4944 852
micro_resistivity RMLL CGG Digital Well Logs 2987.802 3117.1896 850
neutron_por CN CGG Digital Well Logs 1891.284 3250.692 8921
shallow_resistivity RS CGG Digital Well Logs 2987.802 3117.4944 852
sp SP CGG Digital Well Logs 611.7336 3258.3120000000004 17339

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/18- 2 0 -- -- --
21/18- 2A 61 1889.760 1864.059 D:\BigSpatial\nsta_raw\CGG_Deviation\21-18-2A 1052bc_CGG-Deviation.xlsx

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