Well Data Manager / Well Summary / 21/19- 1

21/19- 1

Decommissioned

Well Header

Well No
21/19- 1
NSTA DEN No
1602
Well Name
--
Drill Seq No
1
Quadrant / Block
21 / 19
Surface Location
57.478652, 0.619993
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
ENQUEST HEATHER LIMITED
Original Operator
--
Sub Area Operator
ENQUEST HEATHER LIMITED
Licence No
P238
Licence Type
Production
Spud Date
1980-11-16
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

21/19- 1 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
86.87
TD MD (m)
621.792
TD TVDSS (m)
--
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1980-11-16
TD Reached
1980-11-19
Completion Date
1981-03-30
Release Date
1985-03-30
21/19- 1A Sidetrack A parent: 21/19- 1
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
80.86
TD MD (m)
3500.930
TD TVDSS (m)
2643.159
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1980-11-26
TD Reached
1981-02-28
Completion Date
1981-04-01
Release Date
1985-04-01

Formation Tops (14)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/19- 1A Chalk Mesozoic 2541.000 2515.092 Lloyds Register
Ekofisk Mesozoic 2541.000 2515.092 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2594.000 2568.092 Lloyds Register
Cromer Knoll Mesozoic 2969.000 2943.092 Lloyds Register
Rodby Mesozoic 2969.000 2943.092 Lloyds Register
Sola 2987.000 2961.092 Lloyds Register
Valhall Mesozoic 3068.000 3042.092 Lloyds Register
Kimmeridge Clay 3325.000 3299.092 Lloyds Register
Humber Mesozoic 3325.000 3299.092 Lloyds Register
Fulmar Mesozoic 3363.000 3337.092 Lloyds Register
Skagerrak Mesozoic 3403.000 3377.092 Lloyds Register
Heron Palaeozoic 3403.000 3377.092 Lloyds Register
Turbot Anhydrite Palaeozoic 3458.000 3432.092 Lloyds Register
Zechstein Palaeozoic 3458.000 3432.092 Lloyds Register

Lithology Intervals

21/19- 1A Curve: SANDCOUNT 81 intervals  ·  MD 1765.859 – 3455.213 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (42)
Limestone (39)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/19- 1 8 12 2 31 0 0 0 0 0 View
21/19- 1A 5 9 0 0 14 3 5 1 3 View

Hydrocarbon Occurrence (4)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
21/19- 1 Oil O Fulmar Formation 3363.7728 -- 40 m thick
21/19- 1A DST DST 1 -- 3375.1 3384.2 Not used for labelling, multiple DSTs in same play / Upper Jurassic
21/19- 1A DST DST 2 -- 3375.1 3384.2 Label / Upper Jurassic
21/19- 1A DST DST 1 -- 3409.2 3415.3 Label / Jurassic

Rock Samples (54)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/19- 1A Cuttings 640.08 3499.1 -- -- .
21/19- 1A Core #1 3371.39 3389.99 φ 15.3% (n=20) · Kh 9.5 mD (n=20) · Density 2.69 (n=20) · CORE LABORATORIES U.K. LTD SS GY F-MG SIL CMT; SS GY FG SIL CMT; SS GY FG SIL CMT MICA; SS/SLTST VFG SIL CMT; SS/SLTST VFG SIL CMT, W/ANH gaps in core (well re-boxed - originally curated Sep`81)
21/19- 1A ↳ Plug 01 3371.454 -- φ 23.0% · Kh 34.0 mD · Density 2.67 · CORE LABORATORIES U.K. LTD SS GY F-MG SIL CMT --
21/19- 1A ↳ Plug 02 3372.307 -- φ 20.4% · Kh 21.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD SS GY F-MG SIL CMT --
21/19- 1A ↳ Plug 03 3373.222 -- φ 18.4% · Kh 8.6 mD · Density 2.67 · CORE LABORATORIES U.K. LTD SS GY F-MG SIL CMT --
21/19- 1A ↳ Plug 04 3374.136 -- φ 22.2% · Kh 24.0 mD · Density 2.67 · CORE LABORATORIES U.K. LTD SS GY F-MG SIL CMT --
21/19- 1A ↳ Plug 05 3375.05 -- φ 19.0% · Kh 60.0 mD · Density 2.67 · CORE LABORATORIES U.K. LTD SS GY F-MG SIL CMT --
21/19- 1A ↳ Plug 06 3375.965 -- φ 22.3% · Kh 10.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD SS GY F-MG SIL CMT --
21/19- 1A ↳ Plug 07 3376.879 -- φ 21.6% · Kh 7.6 mD · Density 2.66 · CORE LABORATORIES U.K. LTD SS GY FG SIL CMT --
21/19- 1A ↳ Plug 08 3377.794 -- φ 22.6% · Kh 10.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD SS GY FG SIL CMT --
21/19- 1A ↳ Plug 09 3378.708 -- φ 20.2% · Kh 1.2 mD · Density 2.68 · CORE LABORATORIES U.K. LTD SS/SLTST VFG SIL CMT --
21/19- 1A ↳ Plug 10 3379.622 -- φ 13.5% · Kh 0.3 mD · Density 2.70 · CORE LABORATORIES U.K. LTD SS/SLTST VFG SIL CMT --
21/19- 1A ↳ Plug 11 3380.537 -- φ 2.9% · Kh 0.0 mD · Density 2.78 · CORE LABORATORIES U.K. LTD SS/SLTST VFG SIL CMT, W/ANH --
21/19- 1A ↳ Plug 12 3381.451 -- φ 15.6% · Kh 10.0 mD · Density 2.69 · CORE LABORATORIES U.K. LTD SS GY FG SIL CMT MICA --
21/19- 1A ↳ Plug 13 3382.427 -- φ 19.1% · Kh 2.6 mD · Density 2.67 · CORE LABORATORIES U.K. LTD SS GY FG SIL CMT MICA --
21/19- 1A ↳ Plug 14 3383.28 -- φ 13.9% · Kh 0.2 mD · Density 2.68 · CORE LABORATORIES U.K. LTD SS GY FG SIL CMT MICA --
21/19- 1A ↳ Plug 15 3384.164 -- φ 10.0% · Kh 0.7 mD · Density 2.69 · CORE LABORATORIES U.K. LTD SS GY FG SIL CMT MICA --
21/19- 1A ↳ Plug 16 3385.261 -- φ 12.5% · Kh 0.2 mD · Density 2.68 · CORE LABORATORIES U.K. LTD SS GY FG SIL CMT MICA --
21/19- 1A ↳ Plug 17 3386.023 -- φ 8.8% · Kh 0.0 mD · Density 2.70 · CORE LABORATORIES U.K. LTD SS GY FG SIL CMT MICA --
21/19- 1A ↳ Plug 18 3386.938 -- φ 13.3% · Kh 0.1 mD · Density 2.68 · CORE LABORATORIES U.K. LTD SS GY FG SIL CMT MICA --
21/19- 1A ↳ Plug 19 3387.852 -- φ 4.9% · Kh 0.0 mD · Density 2.72 · CORE LABORATORIES U.K. LTD SS GY FG SIL CMT MICA --
21/19- 1A ↳ Plug 20 3388.766 -- φ 2.7% · Kh 0.0 mD · Density 2.73 · CORE LABORATORIES U.K. LTD SS GY FG SIL CMT MICA --
21/19- 1A Core #2 3390.29 3408.73 φ 9.0% (n=20) · Kh 0.0 mD (n=20) · Density 2.67 (n=20) · CORE LABORATORIES U.K. LTD ?SS GY/WH FG SIL CMT?; SS GY/WH F-MG SIL CMT; SS GY/WH FG SIL CMT; SS/SL TST GY FG SIL CMT; SS/SL TST GY FG SIL CMT, W/FE; SS/SL TST GY FG SIL CMT, W/FE, W/PY --
21/19- 1A ↳ Plug 21 3390.29 -- φ 10.7% · Kh 0.0 mD · Density 2.64 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT --
21/19- 1A ↳ Plug 22 3391.205 -- φ 11.4% · Kh 0.1 mD · Density 2.65 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT --
21/19- 1A ↳ Plug 23 3392.119 -- φ 10.8% · Kh 0.1 mD · Density 2.65 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT --
21/19- 1A ↳ Plug 24 3393.034 -- φ 9.1% · Kh 0.1 mD · Density 2.64 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT --
21/19- 1A ↳ Plug 25 3393.948 -- φ 9.5% · Kh 0.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT --
21/19- 1A ↳ Plug 26 3394.862 -- φ 10.2% · Kh 0.0 mD · Density 2.66 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT --
21/19- 1A ↳ Plug 27 3395.777 -- φ 12.8% · Kh 0.1 mD · Density 2.63 · CORE LABORATORIES U.K. LTD ?SS GY/WH FG SIL CMT? --
21/19- 1A ↳ Plug 28 3396.691 -- φ 8.5% · Kh 0.0 mD · Density 2.67 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT --
21/19- 1A ↳ Plug 29 3397.606 -- φ 7.7% · Kh 0.0 mD · Density 2.68 · CORE LABORATORIES U.K. LTD SS/SL TST GY FG SIL CMT --
21/19- 1A ↳ Plug 30 3398.52 -- φ 8.3% · Kh 0.0 mD · Density 2.67 · CORE LABORATORIES U.K. LTD SS/SL TST GY FG SIL CMT --
21/19- 1A ↳ Plug 31 3399.434 -- φ 7.8% · Kh 0.0 mD · Density 2.68 · CORE LABORATORIES U.K. LTD SS/SL TST GY FG SIL CMT --
21/19- 1A ↳ Plug 32 3400.349 -- φ 7.5% · Kh 0.0 mD · Density 2.69 · CORE LABORATORIES U.K. LTD SS/SL TST GY FG SIL CMT --
21/19- 1A ↳ Plug 33 3401.263 -- φ 8.3% · Kh 0.0 mD · Density 2.69 · CORE LABORATORIES U.K. LTD SS/SL TST GY FG SIL CMT --
21/19- 1A ↳ Plug 34 3402.178 -- φ 1.8% · Kh 0.0 mD · Density 2.77 · CORE LABORATORIES U.K. LTD SS/SL TST GY FG SIL CMT, W/FE --
21/19- 1A ↳ Plug 35 3403.092 -- φ 9.3% · Kh 0.0 mD · Density 2.69 · CORE LABORATORIES U.K. LTD SS/SL TST GY FG SIL CMT, W/FE --
21/19- 1A ↳ Plug 36 3404.006 -- φ 6.9% · Kh 0.0 mD · Density 2.68 · CORE LABORATORIES U.K. LTD SS/SL TST GY FG SIL CMT, W/FE --
21/19- 1A ↳ Plug 37 3404.921 -- φ 9.5% · Kh 0.0 mD · Density 2.69 · CORE LABORATORIES U.K. LTD SS/SL TST GY FG SIL CMT, W/FE --
21/19- 1A ↳ Plug 38 3405.835 -- φ 8.7% · Kh 0.0 mD · Density 2.76 · CORE LABORATORIES U.K. LTD SS/SL TST GY FG SIL CMT, W/FE, W/PY --
21/19- 1A ↳ Plug 39 3406.75 -- φ 9.4% · Kh 0.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD SS GY/WH F-MG SIL CMT --
21/19- 1A ↳ Plug 40 3407.664 -- φ 11.8% · Kh 0.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD SS GY/WH F-MG SIL CMT --
21/19- 1A Core #3 3408.73 3416.81 φ 13.2% (n=8) · Kh 0.2 mD (n=8) · Density 2.67 (n=8) · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT; SS GY/WH FG SIL CMT, W/PY; SS GY/WH FG SIL CMT, W/PY, W/PY --
21/19- 1A ↳ Plug 41 3408.792 -- φ 11.6% · Kh 1.3 mD · Density 2.66 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT --
21/19- 1A ↳ Plug 42 3409.645 -- φ 12.1% · Kh 0.1 mD · Density 2.66 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT --
21/19- 1A ↳ Plug 43 3410.407 -- φ 12.6% · Kh 0.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT --
21/19- 1A ↳ Plug 44 3411.687 -- φ 13.1% · Kh 0.1 mD · Density 2.70 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT, W/PY --
21/19- 1A ↳ Plug 45 3412.236 -- φ 12.0% · Kh 0.2 mD · Density 2.67 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT, W/PY --
21/19- 1A ↳ Plug 46 3413.15 -- φ 16.2% · Kh 0.0 mD · Density 2.65 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT, W/PY --
21/19- 1A ↳ Plug 47 3414.065 -- φ 13.1% · Kh 0.0 mD · Density 2.75 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT, W/PY, W/PY --
21/19- 1A ↳ Plug 48 3414.979 -- φ 15.2% · Kh 0.0 mD · Density 2.63 · CORE LABORATORIES U.K. LTD SS GY/WH FG SIL CMT, W/PY, W/PY --
21/19- 1A Core #4 3416.81 3427.48 -- -- --
21/19- 1A Core #5 3427.78 3434.18 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/19- 1 103.63200378417969 3502.76171875 10 0 2026-08-06 10:16:54.8664+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/19- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 606.552 3502.7616000000003 18996
caliper CALI CGG Digital Well Logs 607.3140000000001 3502.7616000000003 18990
caliper CALS CGG Digital Well Logs 3100.8828000000003 3495.4464000000003 2590
comp_sonic DT CGG Digital Well Logs 607.1616 3493.77 18942
deep_resistivity ILD CGG Digital Well Logs 607.4664 3500.3232000000003 18983
deep_resistivity LLD CGG Digital Well Logs 3101.6448 3493.4652 2572
density_correction DRHO CGG Digital Well Logs 607.0092000000001 3502.7616000000003 18990
gamma_ray GR CGG Digital Well Logs 103.632 3494.9892 22254
gamma_ray GRL CGG Digital Well Logs 3089.3004 3494.3796 2659
gamma_ray GRD CGG Digital Well Logs 596.3412000000001 3495.9036 19015
micro_resistivity MSFL CGG Digital Well Logs 3100.8828000000003 3496.056 2594
neutron_por NPHI CGG Digital Well Logs 607.1616 3499.5612 18967
shallow_resistivity SFLU CGG Digital Well Logs 607.6188000000001 3502.4568000000004 12713
shallow_resistivity LLS CGG Digital Well Logs 3101.0352000000003 3493.3128 2575
sp SP CGG Digital Well Logs 607.1616 3502.7616000000003 12705

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/19- 1 5 621.792 595.881 D:\BigSpatial\nsta_raw\CGG_Deviation\21-19-1 10192m_CGG-Deviation.xlsx
21/19- 1A 0 -- -- --

Related Documents

Open Document Search
Searching related documents...