Well Data Manager / Well Summary / 13/21a- 5

13/21a- 5

Decommissioned

Well Header

Well No
13/21a- 5
NSTA DEN No
7101
Well Name
--
Drill Seq No
5
Quadrant / Block
13 / 21 a
Surface Location
58.303061, -1.856561
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
ITHACA SP E&P LIMITED
Original Operator
--
Sub Area Operator
ITHACA ENERGY (UK) LIMITED
Licence No
P185
Licence Type
Production
Spud Date
2001-03-03
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

13/21a- 5 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
E
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
101.19
TD MD (m)
1093.318
TD TVDSS (m)
1066.190
TD Datum Depth (m)
25.908
TD Datum Type
Rotary Table
Spud Date
2001-03-03
TD Reached
2001-03-11
Completion Date
2001-03-14
Release Date
2005-03-14

Formation Tops (12)

Wellbore Formation Era MD (m) TVDSS (m) Provider
13/21a- 5 Montrose Mesozoic 127.000 101.092 Lloyds Register
Maureen Mesozoic 394.000 368.079 Lloyds Register
Chalk Mesozoic 471.000 445.078 Lloyds Register
Tor Mesozoic 471.000 445.078 Lloyds Register
Mackerel Mesozoic 719.000 693.015 Lloyds Register
Herring Mesozoic 814.000 787.869 Lloyds Register
Plenus Marl 899.000 872.723 Lloyds Register
Hidra Mesozoic 907.000 880.710 Lloyds Register
Rodby Mesozoic 937.000 910.660 Lloyds Register
Cromer Knoll Mesozoic 937.000 910.660 Lloyds Register
Captain Sandstone Mesozoic 946.000 919.640 Lloyds Register
Wick Sandstone 946.000 919.640 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
13/21a- 5 3 7 2 20 12 1 0 1 0 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
13/21a- 5 Oil shows OS UCAP 945.7944 -- 5 m thick
13/21a- 5 Oil shows OS UCAP 950.976 -- 13 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
13/21a- 5 Cuttings 539.5 1093.32 -- -- curated April`01 to fill gap

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
13/21a- 5 129.5399932861328 1093.1651611328125 11 0 2026-08-06 07:44:02.890674+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
13/21a- 5
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 132.588 1070.0004000000001 5849
caliper CALI CGG Digital Well Logs 131.6736 1070.9148 5887
comp_sonic DT4P CGG Digital Well Logs 527.304 1083.8688 3653
comp_sonic DTCO CGG Digital Well Logs 469.392 1084.0212000000001 4004
deep_resistivity HLLD CGG Digital Well Logs 527.304 1093.1652000000001 3714
density_correction DRHO CGG Digital Well Logs 132.588 1070.7624 5854
gamma_ray SGR CGG Digital Well Logs 129.54000000000002 1060.8564000000001 6112
gamma_ray CGR CGG Digital Well Logs 129.99720000000002 1060.8564000000001 6109
neutron_por NPHI CGG Digital Well Logs 131.064 1066.6476 5898
pef PEFZ CGG Digital Well Logs 530.8092 1070.7624 3544
potassium POTA CGG Digital Well Logs 521.6652 1063.2948000000001 3555
rxo_resistivity RXOZ CGG Digital Well Logs 527.304 1072.2864 3577
shallow_resistivity HLLS CGG Digital Well Logs 527.304 1093.1652000000001 3714
shear_sonic DT4S CGG Digital Well Logs 527.304 1084.4784 2956
sp SP CGG Digital Well Logs 527.304 1051.4076 3440
thorium THOR CGG Digital Well Logs 521.6652 1063.1424 3554
uranium URAN CGG Digital Well Logs 521.6652 1063.2948000000001 3555

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
13/21a- 5 30 1093.320 1066.621 D:\BigSpatial\nsta_raw\CGG_Deviation\13-21a-5 12951al_CGG-Deviation.xlsx

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