Well Data Manager / Well Summary / 20/07a- 3

20/07a- 3

Decommissioned

Well Header

Well No
20/07a- 3
NSTA DEN No
4039
Well Name
--
Drill Seq No
3
Quadrant / Block
20 / 7 a
Surface Location
57.788629, -0.752068
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
AMOCO (U.K.) EXPLORATION COMPANY
Original Operator
--
Sub Area Operator
AMOCO (U.K.) EXPLORATION COMPANY
Licence No
P272
Licence Type
Production
Spud Date
1990-04-05
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

20/07a- 3 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
26.210
Ground Elev (m)
--
Water Depth (m)
117.04
TD MD (m)
3076.956
TD TVDSS (m)
3042.599
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1990-04-05
TD Reached
1990-04-30
Completion Date
1990-05-05
Release Date
1994-05-05

Formation Tops (18)

Wellbore Formation Era MD (m) TVDSS (m) Provider
20/07a- 3 Upper Dornoch Sandstone Cenozoic 558.000 531.759 Lloyds Register
Dornoch Mesozoic 558.000 531.759 Lloyds Register
Moray Mesozoic 558.000 531.759 Lloyds Register
Sele Mesozoic 738.000 711.751 Lloyds Register
Montrose Mesozoic 796.000 769.749 Lloyds Register
Lista Mesozoic 796.000 769.749 Lloyds Register
Ekofisk Mesozoic 1200.000 1173.742 Lloyds Register
Chalk Mesozoic 1253.000 1226.740 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1253.000 1226.740 Lloyds Register
Cromer Knoll Mesozoic 1886.000 1859.557 Lloyds Register
Lower Cretaceous Undifferentiated Mesozoic 1886.000 1859.557 Lloyds Register
Kimmeridge Clay 2615.000 2586.346 Lloyds Register
Humber Mesozoic 2615.000 2586.346 Lloyds Register
Sgiath Mesozoic 2925.000 2893.117 Lloyds Register
Smith Bank Mesozoic 2929.000 2897.053 Lloyds Register
Heron Palaeozoic 2929.000 2897.053 Lloyds Register
Zechstein Palaeozoic 3046.000 3012.150 Lloyds Register
Turbot Anhydrite Palaeozoic 3046.000 3012.150 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
20/07a- 3 7 10 1 21 18 1 0 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
20/07a- 3 Cuttings 1517.9 3072.38 -- -- wet samples .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
20/07a- 3 149.50439453125 3079.39453125 9 0 2026-08-06 17:17:03.751026+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
20/07a- 3
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1292.352 3079.3944 11727
caliper CALI CGG Digital Well Logs 536.1432 3079.3944 16652
comp_sonic DT CGG Digital Well Logs 538.1244 3066.8976000000002 16594
deep_resistivity ILD CGG Digital Well Logs 537.5148 1301.0388 5011
deep_resistivity RESD CGG Digital Well Logs 537.5148 3078.1752 16672
deep_resistivity IDPH CGG Digital Well Logs 1295.5524 3078.1752 11698
density_correction DRHO CGG Digital Well Logs 1292.352 3079.242 11726
gamma_ray GR CGG Digital Well Logs 149.5044 3069.9456 19164
gamma_ray GRD CGG Digital Well Logs 1281.3792 3072.0792 11751
med_resistivity IMPH CGG Digital Well Logs 1295.4 3079.242 11706
med_resistivity ILM CGG Digital Well Logs 537.3624 1301.8008 5017
med_resistivity RESM CGG Digital Well Logs 537.3624 3079.242 16680
neutron_por NPHI CGG Digital Well Logs 1291.2852 3074.5176 11702
pef PEF CGG Digital Well Logs 1296.162 3079.3944 11702

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
20/07a- 3 109 3076.956 3042.616 D:\BigSpatial\nsta_raw\CGG_Deviation\20-7a-3 10767t_CGG-Deviation.xlsx

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