Well Data Manager / Well Summary / 11/30a-A21

11/30a-A21

Present

Well Header

Well No
11/30a-A21
NSTA DEN No
2346
Well Name
--
Drill Seq No
21
Quadrant / Block
11 / 30 a
Surface Location
58.114597, -3.087905
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
17
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
1984-03-10
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

11/30a-A21 Original
Plugged Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
AE
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
40.538
Ground Elev (m)
--
Water Depth (m)
46.02
TD MD (m)
4181.541
TD TVDSS (m)
2089.351
TD Datum Depth (m)
40.538
TD Datum Type
Kelly Bushing
Spud Date
1984-03-10
TD Reached
1984-05-19
Completion Date
1984-06-04
Release Date
1988-06-04

Formation Tops (13)

Wellbore Formation Era MD (m) TVDSS (m) Provider
11/30a-A21 Unknown 87.000 46.462 BGS LithoStrat Upper
Unknown 171.000 130.462 BGS LithoStrat Upper
Lower Cretaceous Sands Mesozoic 938.000 897.462 BGS LithoStrat Upper
Ryazenian Sand 1371.000 1330.462 BGS LithoStrat Upper
Unknown 1508.000 1467.462 BGS LithoStrat Upper
Volgian Sand 1954.000 1913.462 BGS LithoStrat Upper
Unknown 1994.000 1953.462 BGS LithoStrat Upper
Black Shales Pre-Cambrian 2883.000 2842.462 BGS LithoStrat Upper
Oxfordian Shale 3398.000 3357.462 BGS LithoStrat Upper
ABSD A and B Sands 3994.000 3953.462 BGS LithoStrat Upper
Mid Shale 4079.000 4038.462 BGS LithoStrat Upper
ABSD A and B Sands 4098.000 4057.462 BGS LithoStrat Upper
Brora Coal Mesozoic 4128.000 4087.462 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-A21 0 0 0 13 13 0 0 1 0 View

Hydrocarbon Occurrence (3)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
11/30a-A21 Oil O ABSD 3993.7944 -- 86 m thick
11/30a-A21 Oil O ABSD 4098.036 -- 30 m thick
11/30a-A21 Oil O Brora Coal Formation 4127.6016 -- 52 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
11/30a-A21 Cuttings 182.88 4178.81 -- -- .

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-A21 0 -- -- --

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