30/12a- 5

Decommissioned

Well Header

Well No
30/12a- 5
NSTA DEN No
4929
Well Name
--
Drill Seq No
5
Quadrant / Block
30 / 12 a
Surface Location
56.632807, 2.227139
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
CHRYSAOR PETROLEUM COMPANY U.K. LIMITED
Original Operator
--
Sub Area Operator
CHRYSAOR PETROLEUM COMPANY U.K. LIMITED
Licence No
P32
Licence Type
Production
Spud Date
1993-01-28
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

30/12a- 5 Original
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
E
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
26.213
Ground Elev (m)
--
Water Depth (m)
79.55
TD MD (m)
1665.120
TD TVDSS (m)
1536.480
TD Datum Depth (m)
26.213
TD Datum Type
Kelly Bushing
Spud Date
1993-01-28
TD Reached
1993-02-15
Completion Date
1993-02-16
Release Date
1997-02-16

Formation Tops (4)

Wellbore Formation Era MD (m) TVDSS (m) Provider
30/12a- 5 Lark 1309.000 1250.138 Lloyds Register
Westray 1309.000 1250.138 Lloyds Register
Shearwater Salt 1584.000 1470.659 Lloyds Register
Zechstein Palaeozoic 1584.000 1470.659 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
30/12a- 5 2 2 0 9 4 2 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
30/12a- 5 Cuttings 548.64 1664.21 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
30/12a- 5 122.83439636230469 1663.598388671875 9 0 2026-08-06 13:47:40.659605+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
30/12a- 5
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1443.6852000000001 1663.4460000000001 1443
caliper CAL CGG Digital Well Logs 886.206 1663.5984 5028
comp_sonic DTLF CGG Digital Well Logs 1443.6852000000001 1650.3396 1355
comp_sonic DT CGG Digital Well Logs 886.0536000000001 1651.4064 4987
deep_resistivity ILD CGG Digital Well Logs 887.4252 1661.3124 5079
density_correction DRHO CGG Digital Well Logs 1443.6852000000001 1663.4460000000001 1443
gamma_ray GR CGG Digital Well Logs 122.8344 1654.6068 10052
gamma_ray CGR CGG Digital Well Logs 1390.65 1654.4544 1732
gamma_ray SGR CGG Digital Well Logs 1390.65 1654.4544 1732
med_resistivity ILM CGG Digital Well Logs 887.4252 1661.6172000000001 5081
neutron_por NPHI CGG Digital Well Logs 1443.6852000000001 1658.2644 1409
pef PEF CGG Digital Well Logs 1443.6852000000001 1663.4460000000001 1443
thorium THOR CGG Digital Well Logs 1390.65 1654.6068 1733
uranium URAN CGG Digital Well Logs 1390.65 1654.6068 1733

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
30/12a- 5 44 1665.122 1536.501 D:\BigSpatial\nsta_raw\CGG_Deviation\30-12a-5 17602ae_CGG-Deviation.xlsx

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