Well Data Manager / Well Summary / 11/30a-A5

11/30a-A5

Present

Well Header

Well No
11/30a-A5
NSTA DEN No
1366
Well Name
--
Drill Seq No
5
Quadrant / Block
11 / 30 a
Surface Location
58.114534, -3.087783
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
1
Operator
NEO NEXT + ENERGY RESOURCES UK LIMITED
Original Operator
--
Sub Area Operator
NEO NEXT + ENERGY RESOURCES UK LIMITED
Licence No
P187
Licence Type
Production
Spud Date
1979-06-24
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

11/30a-A5 Original
Plugged Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
40.538
Ground Elev (m)
--
Water Depth (m)
46.02
TD MD (m)
3369.869
TD TVDSS (m)
2273.660
TD Datum Depth (m)
40.538
TD Datum Type
Kelly Bushing
Spud Date
1979-06-24
TD Reached
1979-08-16
Completion Date
2015-12-22
Release Date
2019-12-22

Formation Tops (15)

Wellbore Formation Era MD (m) TVDSS (m) Provider
11/30a-A5 Unknown 87.000 46.462 BGS LithoStrat Upper
Lower Cretaceous Sands Mesozoic 845.000 804.462 BGS LithoStrat Upper
Ryazenian Sand 1090.000 1049.462 BGS LithoStrat Upper
Volgian Sand 1486.000 1445.462 BGS LithoStrat Upper
Black Shales Pre-Cambrian 2163.000 2122.462 BGS LithoStrat Upper
Oxfordian Shale 2394.000 2353.462 BGS LithoStrat Upper
ABSD A and B Sands 2864.000 2823.462 BGS LithoStrat Upper
Mid Shale 2911.000 2870.462 BGS LithoStrat Upper
ABSD A and B Sands 2920.000 2879.462 BGS LithoStrat Upper
Brora Coal Mesozoic 2945.000 2904.462 BGS LithoStrat Upper
HISD H and I Sands 3122.000 3081.462 BGS LithoStrat Upper
HISD H and I Sands 3142.000 3101.462 BGS LithoStrat Upper
Unknown 3207.000 3166.462 BGS LithoStrat Upper
JSAN J Sand 3249.000 3208.462 BGS LithoStrat Upper
Triassic Red Beds Palaeozoic 3327.000 3286.462 BGS LithoStrat Upper

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
11/30a-A5 0 0 0 15 15 0 0 1 0 View

Hydrocarbon Occurrence (4)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
11/30a-A5 Oil shows OS Valhall Formation 1486.2048 -- 676 m thick
11/30a-A5 Oil O ABSD 2864.2056000000002 -- 46 m thick
11/30a-A5 Oil O ABSD 2919.984 -- 25 m thick
11/30a-A5 Oil O Brora Coal Formation 2944.6728000000003 -- 178 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
11/30a-A5 Cuttings 1280.16 3368.04 -- -- set 3 / see S104602

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
11/30a-A5 0 -- -- --

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