Well Data Manager / Well Summary / 28/05a- 2

28/05a- 2

Decommissioned

Well Header

Well No
28/05a- 2
NSTA DEN No
1797
Well Name
--
Drill Seq No
2
Quadrant / Block
28 / 5 a
Surface Location
56.985470, 0.859936
Source Datum
ED50
Subsea Well
No
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
1981-11-02
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

28/05a- 2 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
96.01
TD MD (m)
2620.975
TD TVDSS (m)
0.000
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1981-11-02
TD Reached
1981-12-19
Completion Date
1981-12-27
Release Date
1985-12-27

Formation Tops (24)

Wellbore Formation Era MD (m) TVDSS (m) Provider
28/05a- 2 Stronsay Cenozoic 1533.000 1507.092 Lloyds Register
Horda Cenozoic 1533.000 1507.092 Lloyds Register
Moray Mesozoic 1784.000 1758.092 Lloyds Register
Balder Cenozoic 1784.000 1758.092 Lloyds Register
Balder Tuff Cenozoic 1784.000 1758.092 Lloyds Register
Sele Mesozoic 1820.000 1794.092 Lloyds Register
Forties Sandstone Mesozoic 1849.000 1823.092 Lloyds Register
Montrose Mesozoic 1862.000 1836.092 Lloyds Register
Lista Mesozoic 1862.000 1836.092 Lloyds Register
Maureen Mesozoic 1889.000 1863.092 Lloyds Register
Maureen II Mudstone 1889.000 1863.092 Lloyds Register
Maureen Marl 1914.000 1888.092 Lloyds Register
Ekofisk Mesozoic 1924.000 1898.092 Lloyds Register
Chalk Mesozoic 1924.000 1898.092 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1960.000 1934.092 Lloyds Register
Cromer Knoll Mesozoic 2302.000 2276.092 Lloyds Register
Rodby Mesozoic 2302.000 2276.092 Lloyds Register
Sola 2309.000 2283.092 Lloyds Register
Valhall Mesozoic 2338.000 2312.092 Lloyds Register
Kimmeridge Clay 2355.000 2329.092 Lloyds Register
Humber Mesozoic 2355.000 2329.092 Lloyds Register
Fulmar Mesozoic 2525.000 2499.092 Lloyds Register
Zechstein Palaeozoic 2553.000 2527.092 Lloyds Register
Shearwater Salt 2553.000 2527.092 Lloyds Register

Lithology Intervals

28/05a- 2 Curve: SANDCOUNT 32 intervals  ·  MD 225.552 – 2553.614 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Limestone (21)
LITH Sand (11)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
28/05a- 2 7 13 4 44 24 2 2 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (3)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
28/05a- 2 Cuttings 210.31 2642.62 -- -- .
28/05a- 2 Core #1 2460.04 2467.81 -- -- well re-boxed (originally curated Mar`82)
28/05a- 2 Core #2 2543.25 2553.55 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
28/05a- 2 117.95760345458984 2648.4072265625 10 0 2026-08-06 12:28:22.454438+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
28/05a- 2
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 758.6472 2647.188 12393
caliper CALS CGG Digital Well Logs 2522.3724 2645.9688 812
caliper CALI CGG Digital Well Logs 757.7328 2646.7308000000003 12396
comp_sonic DT CGG Digital Well Logs 201.168 2639.1108 15849
deep_resistivity ILD CGG Digital Well Logs 201.3204 2648.4072 16016
deep_resistivity LLD CGG Digital Well Logs 2523.2868000000003 2646.7308000000003 811
density_correction DRHO CGG Digital Well Logs 758.4948 2647.188 12394
gamma_ray GRL CGG Digital Well Logs 2498.598 2637.4344 912
gamma_ray GR CGG Digital Well Logs 117.9576 2638.9584 16543
gamma_ray GRD CGG Digital Well Logs 687.9336000000001 2643.2256 12831
micro_resistivity MSFL CGG Digital Well Logs 2523.2868000000003 2645.2068 801
neutron_por NPHI CGG Digital Well Logs 1849.5264000000002 2642.3112 5203
shallow_resistivity LLS CGG Digital Well Logs 2523.2868000000003 2643.2256 788
shallow_resistivity SFLU CGG Digital Well Logs 201.3204 2648.4072 16025
sp SP CGG Digital Well Logs 201.4728 2639.7204 16000
sp SPL CGG Digital Well Logs 2523.4392000000003 2636.2152 741
thorium THOR CGG Digital Well Logs 1844.3448 2523.8964 4460
uranium URAN CGG Digital Well Logs 1844.3448 2523.744 4459

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
28/05a- 2 0 -- -- --

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