Well Data Manager / Well Summary / 13/23a- 4

13/23a- 4

Decommissioned

Well Header

Well No
13/23a- 4
NSTA DEN No
6567
Well Name
--
Drill Seq No
4
Quadrant / Block
13 / 23 a
Surface Location
58.223623, -1.532988
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
P636
Licence Type
Production
Spud Date
1999-02-12
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

13/23a- 4 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
D
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
26.213
Ground Elev (m)
--
Water Depth (m)
113.69
TD MD (m)
1745.285
TD TVDSS (m)
1718.954
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1999-02-12
TD Reached
1999-02-22
Completion Date
1999-03-01
Release Date
2003-03-01

Formation Tops (12)

Wellbore Formation Era MD (m) TVDSS (m) Provider
13/23a- 4 Chalk Mesozoic 997.000 970.705 Lloyds Register
Tor Mesozoic 997.000 970.705 Lloyds Register
Mackerel Mesozoic 1247.000 1220.697 Lloyds Register
Herring Mesozoic 1435.000 1408.679 Lloyds Register
Plenus Marl 1463.000 1436.679 Lloyds Register
Hidra Mesozoic 1465.000 1438.679 Lloyds Register
Cromer Knoll Mesozoic 1538.000 1511.675 Lloyds Register
Rodby Mesozoic 1538.000 1511.675 Lloyds Register
Sola 1595.000 1568.672 Lloyds Register
Captain Sandstone Mesozoic 1635.000 1608.669 Lloyds Register
Wick Sandstone 1635.000 1608.669 Lloyds Register
Valhall Mesozoic 1728.000 1701.664 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
13/23a- 4 2 8 2 19 12 1 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
13/23a- 4 Cuttings 993.65 1743.46 -- -- wet samples

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
13/23a- 4 131.06399536132812 1746.19921875 11 0 2026-08-06 16:39:50.370423+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
13/23a- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOZ CGG Digital Well Logs 988.4664 1742.2368000000001 4947
caliper HCAL CGG Digital Well Logs 988.1616 1742.5416 4951
comp_sonic DTCO CGG Digital Well Logs 988.1616 1740.8652000000002 4940
comp_sonic DT4P CGG Digital Well Logs 988.1616 1740.2556000000002 4936
deep_resistivity HLLD CGG Digital Well Logs 989.076 1746.1992 4969
density_correction HDRA CGG Digital Well Logs 988.4664 1742.2368000000001 4947
gamma_ray GR CGG Digital Well Logs 131.064 1736.4456 10535
neutron_por NPHI CGG Digital Well Logs 988.1616 1738.2744 4923
pef PEFZ CGG Digital Well Logs 988.4664 1742.2368000000001 4947
rxo_resistivity RXOZ CGG Digital Well Logs 988.1616 1742.5416 4951
shallow_resistivity HLLS CGG Digital Well Logs 989.076 1746.1992 4969
shear_sonic DTSM CGG Digital Well Logs 988.1616 1740.8652000000002 4940
shear_sonic DT4S CGG Digital Well Logs 988.1616 1740.2556000000002 4862
sp SP CGG Digital Well Logs 988.1616 1728.5208 4859

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
13/23a- 4 29 1745.285 1718.947 D:\BigSpatial\nsta_raw\CGG_Deviation\13-23a-4 28502ae_CGG-Deviation.xlsx

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