Well Data Manager / Well Summary / 11/30a-A4

11/30a-A4

Present

Well Header

Well No
11/30a-A4
NSTA DEN No
1351
Well Name
--
Drill Seq No
4
Quadrant / Block
11 / 30 a
Surface Location
58.114571, -3.087763
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
6
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
1979-05-04
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

11/30a-A4 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)
2273.808
TD TVDSS (m)
2112.088
TD Datum Depth (m)
37.186
TD Datum Type
Kelly Bushing
Spud Date
1979-05-04
TD Reached
1979-06-18
Completion Date
1981-12-20
Release Date
1985-12-20

Formation Tops (11)

Wellbore Formation Era MD (m) TVDSS (m) Provider
11/30a-A4 Unknown 83.000 42.462 BGS LithoStrat Upper
Volgian Sand 1241.000 1200.462 BGS LithoStrat Upper
Unknown 1856.000 1815.462 BGS LithoStrat Upper
ABSD A and B Sands 1959.000 1918.462 BGS LithoStrat Upper
ABSD A and B Sands 1989.000 1948.462 BGS LithoStrat Upper
Brora Coal Mesozoic 2008.000 1967.462 BGS LithoStrat Upper
HISD H and I Sands 2116.000 2075.462 BGS LithoStrat Upper
HISD H and I Sands 2124.000 2083.462 BGS LithoStrat Upper
Unknown 2168.000 2127.462 BGS LithoStrat Upper
JSAN J Sand 2194.000 2153.462 BGS LithoStrat Upper
Triassic Red Beds Palaeozoic 2233.000 2192.462 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-A4 0 0 0 11 11 0 13 1 0 View

Hydrocarbon Occurrence (7)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
11/30a-A4 Oil O ABSD 1958.6448 -- 31 m thick
11/30a-A4 Oil O ABSD 1989.4296000000002 -- 19 m thick
11/30a-A4 Oil O Brora Coal Formation 2008.0224 -- 108 m thick
11/30a-A4 Oil O HISD 2116.2264 -- 8 m thick
11/30a-A4 Oil O HISD 2124.1512000000002 -- 44 m thick
11/30a-A4 Oil shows OS * 2168.0424000000003 -- 26 m thick
11/30a-A4 Oil O JSAN 2194.2552 -- 39 m thick

Rock Samples (14)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
11/30a-A4 Cuttings 1082.04 2273.81 -- -- set 3
11/30a-A4 Core #1 1960.78 1979.07 -- -- core chips .
11/30a-A4 Core #2 1988.21 2005.83 -- -- core chips .
11/30a-A4 Core #3 1995.53 2014.12 -- -- core chips .
11/30a-A4 Core #4 2017.17 2027.68 -- -- core chips .
11/30a-A4 Core #5 2051.91 2069.9 -- -- core chips .
11/30a-A4 Core #6 2092.15 2101.29 -- -- core chips .
11/30a-A4 Core #7 2102.82 2114.31 -- -- cores 5 to 7 unclear .
11/30a-A4 Core #8 2115.31 2132.26 -- -- core chips .
11/30a-A4 Core #9 2131.77 2151.58 -- -- start of core 9 unclear .
11/30a-A4 Core #10 2151.58 2168.56 -- -- core chips .
11/30a-A4 Core #11 2184.5 2194.56 -- -- .
11/30a-A4 Core #12 2194.56 2212.54 -- -- core chips .
11/30a-A4 Core #13 2212.54 2230.53 -- -- .

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-A4 0 -- -- --

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