204/24- 1

Decommissioned

Well Header

Well No
204/24- 1
NSTA DEN No
4196
Well Name
--
Drill Seq No
1
Quadrant / Block
204 / 24
Surface Location
60.312773, -4.267581
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
BRITOIL LIMITED
Original Operator
--
Sub Area Operator
BRITOIL LIMITED
Licence No
P558
Licence Type
Production
Spud Date
1990-09-17
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

204/24- 1 Original
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)
26.000
Ground Elev (m)
--
Water Depth (m)
447.30
TD MD (m)
1010.000
TD TVDSS (m)
984.000
TD Datum Depth (m)
26.000
TD Datum Type
Rotary Table
Spud Date
1990-09-17
TD Reached
1990-09-26
Completion Date
1990-10-11
Release Date
1994-10-11
204/24- 1A Sidetrack A parent: 204/24- 1
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas and Oil Well
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
26.000
Ground Elev (m)
--
Water Depth (m)
445.30
TD MD (m)
2969.600
TD TVDSS (m)
2524.000
TD Datum Depth (m)
25.800
TD Datum Type
Rotary Table
Spud Date
1990-10-12
TD Reached
1990-11-15
Completion Date
1990-11-21
Release Date
1994-11-21

Formation Tops (2)

Wellbore Formation Era MD (m) TVDSS (m) Provider
204/24- 1A Horda Cenozoic 1078.000 1051.975 Ternan Atlantic Margin
Shetland Mesozoic 2493.000 2466.729 Ternan Atlantic Margin

Lithology Intervals

204/24- 1A Curve: SANDCOUNT 174 intervals  ·  MD 1021.537 – 2848.356 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/WoS_ArcGIS...
Limestone (93)
Sandstone (79)
Coal (2)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
204/24- 1 0 0 0 0 0 1 2 1 0 View
204/24- 1A 5 6 9 13 2 1 0 0 0 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
204/24- 1A Mixed shows OGS Lista Formation 1670.0814960000002 -- 753 m thick

Rock Samples (48)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
204/24- 1 Cuttings 1017.0 2988.0 -- -- --
204/24- 1 Core #1 2133.97 2136.47 φ 15.2% (n=9) · Kh 69.6 mD (n=8) · Kv 0.1 mD (n=2) · So 1.5% (n=1) · Sw 49.3% (n=1) · Density 2.67 (n=9) · FSP 31.8 (n=1) · CORE LABORATORIES U.K., LTD. PRESERVED SAMPLE; SST BRN-GRY F-VFGR SIL CMT; SST GRY F-CRSGR WL SIL CMT TR CALC; SST GRY F-MGR WL SIL/CALC CMT; SST GRY F-VFGR SIL CMT TR DOL; SST GRY F-VFGR SIL CMT TR DOL FRAC; SST GRY FGR SIL CMT TR DOL; SST RD-BRN M-CRSGR SIL CMT TR CALC UKCS 204 .
204/24- 1 ↳ Plug 01 2134.0 -- So 1.5% · Sw 49.3% · FSP 31.8 · CORE LABORATORIES U.K., LTD. PRESERVED SAMPLE --
204/24- 1 ↳ Plug 02 2134.25 -- φ 25.0% · Kh 541.0 mD · Density 2.67 · CORE LABORATORIES U.K., LTD. SST RD-BRN M-CRSGR SIL CMT TR CALC --
204/24- 1 ↳ Plug 03 2134.5 -- φ 10.5% · Kh 15.0 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST GRY F-CRSGR WL SIL CMT TR CALC --
204/24- 1 ↳ Plug 04 2134.75 -- φ 2.2% · Kh 0.0 mD · Density 2.68 · CORE LABORATORIES U.K., LTD. SST GRY F-MGR WL SIL/CALC CMT --
204/24- 1 ↳ Plug 05 2135.0 -- φ 1.8% · Kh 0.0 mD · Kv 0.0 mD · Density 2.68 · CORE LABORATORIES U.K., LTD. SST GRY F-MGR WL SIL/CALC CMT --
204/24- 1 ↳ Plug 06 2135.25 -- φ 18.3% · Kh 0.2 mD · Density 2.69 · CORE LABORATORIES U.K., LTD. SST GRY F-VFGR SIL CMT TR DOL --
204/24- 1 ↳ Plug 07 2135.5 -- φ 18.0% · Density 2.68 · CORE LABORATORIES U.K., LTD. SST GRY F-VFGR SIL CMT TR DOL FRAC --
204/24- 1 ↳ Plug 08 2135.75 -- φ 18.4% · Kh 0.2 mD · Density 2.67 · CORE LABORATORIES U.K., LTD. SST GRY FGR SIL CMT TR DOL --
204/24- 1 ↳ Plug 09 2136.0 -- φ 20.1% · Kh 0.3 mD · Kv 0.1 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST BRN-GRY F-VFGR SIL CMT --
204/24- 1 ↳ Plug 10 2136.25 -- φ 22.2% · Kh 0.1 mD · Density 2.65 · CORE LABORATORIES U.K., LTD. SST BRN-GRY F-VFGR SIL CMT --
204/24- 1 Core #2 2148.96 2157.68 φ 24.5% (n=27) · Kh 1217.7 mD (n=26) · Kv 0.1 mD (n=1) · So 14.1% (n=4) · Sw 49.5% (n=4) · Density 2.66 (n=27) · FSP 21.9 (n=4) · CORE LABORATORIES U.K., LTD. FRACTURED CORE - NO PLUG POSSIBLE; INTLAM SST RD-BRN/GRY CRS/MGR SIL CMT SLTY LAM FRAC; INTRLAM SST RD-BRN/GRY M-GRSGR SIL CMT CARB; PLUG DESTROYED IN CLEANING; PRESERVED SAMPLE; SHALE - NO ANALYSIS; SLTST - NO ANALYSIS; SLTST/SHALE - NO ANALYSIS; SST GRY F-CRSGR WL SIL CMT CALC; SST GRY F-MGR W SIL CMT CALC; SST GRY F-MGR W SIL/CALC CMT; SST GRY FGR SIL CMT TR DOL; SST GRY FGR W SIL/CALC CMT; SST GRY MGR WL SIL CMT CALC; SST RD-BRN CRS-VCRSGR P SIL CMT; SST RD-BRN CRSGR P SIL CMT; SST RD-BRN CRSGR SIL CMT; SST RD-BRN M-CRSGR SIL CMT .
204/24- 1 ↳ Plug 12 2149.0 -- So 17.8% · Sw 37.7% · FSP 30.9 · CORE LABORATORIES U.K., LTD. PRESERVED SAMPLE --
204/24- 1 ↳ Plug 13 2149.25 -- φ 29.7% · Kh 538.0 mD · Density 2.61 · CORE LABORATORIES U.K., LTD. INTRLAM SST RD-BRN/GRY M-GRSGR SIL CMT CARB --
204/24- 1 ↳ Plug 14 2149.5 -- φ 30.2% · Kh 1397.0 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR P SIL CMT --
204/24- 1 ↳ Plug 15 2149.75 -- φ 29.6% · Kh 812.0 mD · Density 2.65 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR SIL CMT --
204/24- 1 ↳ Plug 16 2150.06 -- φ 29.6% · Kh 1221.0 mD · Density 2.65 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR SIL CMT --
204/24- 1 ↳ Plug 17 2150.25 -- φ 30.4% · Kh 1676.0 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR P SIL CMT --
204/24- 1 ↳ Plug 18 2150.5 -- φ 29.8% · Kh 705.0 mD · Density 2.65 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR SIL CMT --
204/24- 1 ↳ Plug 19 2150.75 -- φ 29.1% · Kh 1944.0 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR P SIL CMT --
204/24- 1 ↳ Plug 20 2150.96 -- φ 29.4% · Kh 1401.0 mD · So 19.7% · Sw 44.9% · Density 2.65 · FSP 28.9 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR P SIL CMT --
204/24- 1 ↳ Plug 21 2151.25 -- φ 29.6% · Kh 1097.0 mD · Density 2.65 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR P SIL CMT --
204/24- 1 ↳ Plug 22 2151.52 -- φ 26.0% · Density 2.64 · CORE LABORATORIES U.K., LTD. INTLAM SST RD-BRN/GRY CRS/MGR SIL CMT SLTY LAM FRAC --
204/24- 1 ↳ Plug 23 2151.75 -- φ 29.5% · Kh 1355.0 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR SIL CMT --
204/24- 1 ↳ Plug 24 2152.05 -- φ 31.1% · Kh 1280.0 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR SIL CMT --
204/24- 1 ↳ Plug 25 2152.25 -- φ 30.4% · Kh 2392.0 mD · Density 2.65 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR P SIL CMT --
204/24- 1 ↳ Plug 26 2152.5 -- φ 29.4% · Kh 2434.0 mD · Density 2.65 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR P SIL CMT --
204/24- 1 ↳ Plug 27 2152.75 -- φ 28.9% · Kh 2154.0 mD · Density 2.65 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR P SIL CMT --
204/24- 1 ↳ Plug 28 2153.0 -- So 18.9% · Sw 46.9% · FSP 25.8 · CORE LABORATORIES U.K., LTD. PLUG DESTROYED IN CLEANING --
204/24- 1 ↳ Plug 29 2153.25 -- φ 31.8% · Kh 5153.0 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRS-VCRSGR P SIL CMT --
204/24- 1 ↳ Plug 30 2153.5 -- φ 28.8% · Kh 1347.0 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR SIL CMT --
204/24- 1 ↳ Plug 31 2153.75 -- φ 27.8% · Kh 2004.0 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR SIL CMT --
204/24- 1 ↳ Plug 32 2154.0 -- φ 27.0% · Kh 661.0 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST RD-BRN M-CRSGR SIL CMT --
204/24- 1 ↳ Plug 33 2154.25 -- CORE LABORATORIES U.K., LTD. FRACTURED CORE - NO PLUG POSSIBLE --
204/24- 1 ↳ Plug 34 2154.5 -- φ 29.8% · Kh 1950.0 mD · Density 2.65 · CORE LABORATORIES U.K., LTD. SST RD-BRN CRSGR SIL CMT --
204/24- 1 ↳ Plug 35 2154.75 -- CORE LABORATORIES U.K., LTD. SHALE - NO ANALYSIS --
204/24- 1 ↳ Plug 36 2154.89 -- φ 2.0% · Kh 0.0 mD · So 0.0% · Sw 68.6% · Density 2.68 · FSP 2.2 · CORE LABORATORIES U.K., LTD. SST GRY FGR W SIL/CALC CMT --
204/24- 1 ↳ Plug 37 2155.25 -- φ 8.1% · Kh 3.3 mD · Kv 0.1 mD · Density 2.67 · CORE LABORATORIES U.K., LTD. SST GRY F-MGR W SIL/CALC CMT --
204/24- 1 ↳ Plug 38 2155.55 -- φ 13.5% · Kh 118.0 mD · Density 2.66 · CORE LABORATORIES U.K., LTD. SST GRY F-CRSGR WL SIL CMT CALC --
204/24- 1 ↳ Plug 39 2155.75 -- φ 8.9% · Kh 14.0 mD · Density 2.67 · CORE LABORATORIES U.K., LTD. SST GRY MGR WL SIL CMT CALC --
204/24- 1 ↳ Plug 40 2155.93 -- φ 1.8% · Kh 0.0 mD · Density 2.69 · CORE LABORATORIES U.K., LTD. SST GRY FGR W SIL/CALC CMT --
204/24- 1 ↳ Plug 41 2156.2 -- CORE LABORATORIES U.K., LTD. SLTST/SHALE - NO ANALYSIS --
204/24- 1 ↳ Plug 42 2156.5 -- φ 25.1% · Kh 2.5 mD · Density 2.69 · CORE LABORATORIES U.K., LTD. SST GRY FGR SIL CMT TR DOL --
204/24- 1 ↳ Plug 43 2156.75 -- CORE LABORATORIES U.K., LTD. SLTST/SHALE - NO ANALYSIS --
204/24- 1 ↳ Plug 44 2156.9 -- φ 13.8% · Kh 1.8 mD · Density 2.68 · CORE LABORATORIES U.K., LTD. SST GRY F-MGR W SIL CMT CALC --
204/24- 1 ↳ Plug 45 2157.25 -- CORE LABORATORIES U.K., LTD. SLTST - NO ANALYSIS --
204/24- 1 ↳ Plug 46 2157.5 -- CORE LABORATORIES U.K., LTD. SLTST - NO ANALYSIS --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
204/24- 1A 458.57159423828125 2986.8876953125 12 0 2026-08-06 20:37:23.441858+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
204/24- 1A
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1004.4684 2887.98 12335
bulk_density DENS UKCS JDWL 30th Round 1005.9924 2896.5144 12362
caliper CALI CGG Digital Well Logs 1004.7732 2887.98 12332
caliper CALS CGG Digital Well Logs 1005.078 2971.9524 12728
comp_sonic DTC UKCS JDWL 30th Round 1005.3828 2984.9064 12880
comp_sonic DT CGG Digital Well Logs 1005.078 2976.9816 12776
comp_sonic DTCO CGG Digital Well Logs 1967.6364 2590.1904 3954
comp_sonic DTLF CGG Digital Well Logs 1990.344 2575.8648 3843
deep_resistivity RDEP UKCS JDWL 30th Round 1005.3828 2986.8876 12916
deep_resistivity LLD CGG Digital Well Logs 1005.2304 2978.9628 12809
density_correction DENC UKCS JDWL 30th Round 1005.9924 2896.5144 12362
density_correction DRHO CGG Digital Well Logs 1005.078 2887.98 12324
gamma_ray GRL CGG Digital Well Logs 458.5716 2964.942 16355
gamma_ray GR UKCS JDWL 30th Round 473.964 2975.0004 16375
gamma_ray GRD CGG Digital Well Logs 997.458 2884.932 12386
micro_resistivity MSFL CGG Digital Well Logs 1005.078 2971.9524 12738
micro_resistivity RMIC UKCS JDWL 30th Round 1005.3828 2977.896 12775
neutron_por NEUT UKCS JDWL 30th Round 1005.9924 2891.4852 12329
neutron_por NPHI CGG Digital Well Logs 1004.6208 2886.9132 12293
pef PEF CGG Digital Well Logs 1004.6208 2887.98 12327
shallow_resistivity LLS CGG Digital Well Logs 1005.078 2978.9628 12810
shallow_resistivity RSHAL UKCS JDWL 30th Round 1005.3828 2986.8876 12916
shear_sonic DTSM CGG Digital Well Logs 1972.5132 2565.9588 1610
sp SP CGG Digital Well Logs 981.7608 1989.1248 6611
sp SP1 CGG Digital Well Logs 1005.078 2959.9128 12565

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
204/24- 1 0 -- -- --
204/24- 1A 208 2995.500 2968.933 D:\BigSpatial\nsta_raw\CGG_Deviation\204-24-1A 12027cg-CGG_Deviation.xlsx
204/24- 1A 49 2994.000 2496.636 G:\NSTA_BigFiles\NSTA_Packages\UKCS_JDWL_30thRound\WOS\204_24-1A_DEVIATION_SURVEY_QC.xlsm

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