Well Data Manager / Well Summary / 20/03- 4

20/03- 4

Decommissioned

Well Header

Well No
20/03- 4
NSTA DEN No
2405
Well Name
--
Drill Seq No
4
Quadrant / Block
20 / 3
Surface Location
57.850221, -0.428706
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
AMOCO U.K.PETROLEUM LIMITED
Original Operator
--
Sub Area Operator
AMOCO U.K.PETROLEUM LIMITED
Licence No
P273
Licence Type
Production
Spud Date
1984-06-04
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

20/03- 4 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
H
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
23.470
Ground Elev (m)
--
Water Depth (m)
117.04
TD MD (m)
3773.420
TD TVDSS (m)
3749.263
TD Datum Depth (m)
23.470
TD Datum Type
Kelly Bushing
Spud Date
1984-06-04
TD Reached
1984-07-29
Completion Date
1984-08-07
Release Date
1988-08-07

Formation Tops (25)

Wellbore Formation Era MD (m) TVDSS (m) Provider
20/03- 4 Beauly Cenozoic 744.000 720.530 Lloyds Register
Moray Mesozoic 744.000 720.530 Lloyds Register
Upper Dornoch Sandstone Cenozoic 828.000 804.530 Lloyds Register
Dornoch Mesozoic 828.000 804.530 Lloyds Register
Sele Mesozoic 944.000 920.530 Lloyds Register
Forties Sandstone Mesozoic 1265.000 1241.530 Lloyds Register
Lista Mesozoic 1368.000 1344.530 Lloyds Register
Montrose Mesozoic 1368.000 1344.530 Lloyds Register
Glamis Tuff 1484.000 1460.530 Lloyds Register
Andrew Sandstone Cenozoic 1618.000 1594.530 Lloyds Register
Maureen Mesozoic 1694.000 1670.530 Lloyds Register
Maureen Sandstone Mesozoic 1694.000 1670.530 Lloyds Register
Ekofisk Mesozoic 1766.000 1742.530 Lloyds Register
Chalk Mesozoic 1766.000 1742.530 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1841.000 1817.530 Lloyds Register
Rodby Mesozoic 2405.000 2381.530 Lloyds Register
Cromer Knoll Mesozoic 2405.000 2381.530 Lloyds Register
Sola 2439.000 2415.530 Lloyds Register
Valhall Mesozoic 2569.000 2545.530 Lloyds Register
Kimmeridge Clay 2965.000 2941.530 Lloyds Register
Humber Mesozoic 2965.000 2941.530 Lloyds Register
Burns Sandstone Mesozoic 3058.000 3034.530 Lloyds Register
Sgiath Mesozoic 3705.000 3681.530 Lloyds Register
Heron Palaeozoic 3719.000 3695.530 Lloyds Register
Smith Bank Mesozoic 3719.000 3695.530 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
20/03- 4 6 13 6 34 25 1 1 1 0 View

Hydrocarbon Occurrence (19)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
20/03- 4 Gas shows GS Dornoch Formation 737.0064 -- 208 m thick
20/03- 4 Gas shows GS Montrose Group 944.88 -- 821 m thick
20/03- 4 Gas shows GS VALH 2718.8160000000003 -- 116 m thick
20/03- 4 Gas shows GS VALH 2834.6400000000003 -- 52 m thick
20/03- 4 Gas shows GS Devil's Hole Sandstone Member 2886.456 -- 78 m thick
20/03- 4 Gas shows GS UPSM 2964.7896 -- 16 m thick
20/03- 4 Gas shows GS UPSM 2980.944 -- 17 m thick
20/03- 4 Gas shows GS UPSM 2997.708 -- 26 m thick
20/03- 4 Gas shows GS Bunter Siltstone Member [Obsolete] 3023.616 -- 34 m thick
20/03- 4 Gas shows GS ETTU 3058.0584000000003 -- 85 m thick
20/03- 4 Gas shows GS ETTX 3143.0976 -- 91 m thick
20/03- 4 Gas shows GS LHSM 3234.5376 -- 77 m thick
20/03- 4 Oil shows OS LHSS 3311.652 -- 140 m thick
20/03- 4 Oil shows OS LHSS 3451.86 -- 72 m thick
20/03- 4 Gas shows GS LHSS 3523.4880000000003 -- 24 m thick
20/03- 4 Gas shows GS LHSS 3547.8720000000003 -- 5 m thick
20/03- 4 Gas shows GS Heather Formation 3552.7488000000003 -- 136 m thick
20/03- 4 Oil shows OS Piper Formation 3688.9944 -- 30 m thick
20/03- 4 Oil shows OS Smith Bank Sandstone unit 3719.1696 -- 32 m thick

Rock Samples (11)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
20/03- 4 Cuttings 640.08 3764.28 -- -- .
20/03- 4 Core #1 3138.53 3156.81 φ 5.2% (n=9) · Kh 2.0 mD (n=4) · Kv 0.1 mD (n=1) · So 42.1% (n=9) · Sw 28.4% (n=9) · Density 2.72 (n=9) · FSP 4.3 (n=9) · REDWOOD COREX (SERVICES) LIMITED FRACTURED .
20/03- 4 ↳ Plug EFA23 3145.262 -- φ 5.3% · Kh 7.2 mD · So 20.9% · Sw 41.8% · Density 2.74 · FSP 3.4 · REDWOOD COREX (SERVICES) LIMITED -- --
20/03- 4 ↳ Plug EFA24 3145.612 -- φ 5.1% · Kh 0.7 mD · Kv 0.1 mD · So 25.7% · Sw 51.4% · Density 2.81 · FSP 2.2 · REDWOOD COREX (SERVICES) LIMITED -- --
20/03- 4 ↳ Plug EFA28 3146.755 -- φ 3.5% · Kh 0.2 mD · So 26.7% · Sw 33.3% · Density 2.76 · FSP 6.1 · REDWOOD COREX (SERVICES) LIMITED -- --
20/03- 4 ↳ Plug EFA47 3152.546 -- φ 4.8% · So 48.4% · Sw 24.2% · Density 2.71 · FSP 6.4 · REDWOOD COREX (SERVICES) LIMITED FRACTURED --
20/03- 4 ↳ Plug EFA50 3153.491 -- φ 5.8% · So 37.1% · Sw 24.8% · Density 2.67 · FSP 4.5 · REDWOOD COREX (SERVICES) LIMITED FRACTURED --
20/03- 4 ↳ Plug EFA52 3154.07 -- φ 4.1% · Kh 0.0 mD · So 25.5% · Sw 25.5% · Density 2.74 · FSP 3.9 · REDWOOD COREX (SERVICES) LIMITED -- --
20/03- 4 ↳ Plug EFA57 3155.57 -- φ 6.1% · So 68.2% · Sw 22.7% · Density 2.66 · FSP 4.1 · REDWOOD COREX (SERVICES) LIMITED FRACTURED --
20/03- 4 ↳ Plug EFA58 3155.899 -- φ 6.5% · So 57.3% · Sw 14.3% · Density 2.66 · FSP 5.3 · REDWOOD COREX (SERVICES) LIMITED FRACTURED --
20/03- 4 ↳ Plug EFA59 3156.204 -- φ 5.4% · So 69.2% · Sw 17.3% · Density 2.72 · FSP 3.2 · REDWOOD COREX (SERVICES) LIMITED FRACTURED --

Wireline Log Inventory (Ingested Curves)

No wireline log curves ingested for this well.

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

No scanned LAS source files matched to this well.

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
20/03- 4 0 -- -- --

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