Well Data Manager / Well Summary / 28/05a- 4

28/05a- 4

Decommissioned

Well Header

Well No
28/05a- 4
NSTA DEN No
4251
Well Name
--
Drill Seq No
4
Quadrant / Block
28 / 5 a
Surface Location
56.945465, 0.977219
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
SHELL GLOBAL LNG LIMITED
Original Operator
--
Sub Area Operator
SHELL GLOBAL LNG LIMITED
Licence No
P213
Licence Type
Production
Spud Date
1990-11-16
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

28/05a- 4 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
D
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
94.79
TD MD (m)
3393.034
TD TVDSS (m)
0.000
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1990-11-16
TD Reached
1991-01-14
Completion Date
1991-01-18
Release Date
1995-01-18

Formation Tops (26)

Wellbore Formation Era MD (m) TVDSS (m) Provider
28/05a- 4 Stronsay Cenozoic 1739.000 1714.006 Lloyds Register
Horda Cenozoic 1739.000 1714.006 Lloyds Register
Balder Tuff Cenozoic 2099.000 2074.006 Lloyds Register
Balder Cenozoic 2099.000 2074.006 Lloyds Register
Moray Mesozoic 2099.000 2074.006 Lloyds Register
Sele Mesozoic 2131.000 2106.006 Lloyds Register
Forties Sandstone Mesozoic 2189.000 2164.006 Lloyds Register
Lista Mesozoic 2203.000 2178.006 Lloyds Register
Montrose Mesozoic 2203.000 2178.006 Lloyds Register
Balmoral Sandstone Cenozoic 2203.000 2178.006 Lloyds Register
Maureen Mesozoic 2232.000 2207.006 Lloyds Register
Maureen II Mudstone 2232.000 2207.006 Lloyds Register
Maureen Marl 2265.000 2240.006 Lloyds Register
Ekofisk Mesozoic 2309.000 2284.006 Lloyds Register
Chalk Mesozoic 2309.000 2284.006 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2320.000 2295.006 Lloyds Register
Rodby Mesozoic 2687.000 2662.006 Lloyds Register
Cromer Knoll Mesozoic 2687.000 2662.006 Lloyds Register
Sola 2729.000 2704.006 Lloyds Register
Valhall Mesozoic 2919.000 2894.006 Lloyds Register
Humber Mesozoic 3044.000 3019.006 Lloyds Register
Kimmeridge Clay 3044.000 3019.006 Lloyds Register
Smith Bank Mesozoic 3153.000 3128.006 Lloyds Register
Heron Palaeozoic 3153.000 3128.006 Lloyds Register
Zechstein Palaeozoic 3361.000 3336.006 Lloyds Register
Shearwater Salt 3361.000 3336.006 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
28/05a- 4 8 13 5 18 26 4 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
28/05a- 4 Cuttings 886.97 3413.76 -- -- .

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
28/05a- 4 0 -- -- --

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