13/21a- 3

Decommissioned

Well Header

Well No
13/21a- 3
NSTA DEN No
5963
Well Name
--
Drill Seq No
3
Quadrant / Block
13 / 21 a
Surface Location
58.296720, -1.813765
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
ITHACA ENERGY (UK) LIMITED
Original Operator
--
Sub Area Operator
ITHACA ENERGY (UK) LIMITED
Licence No
P185
Licence Type
Production
Spud Date
1996-10-17
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

13/21a- 3 Original
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
D
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
101.80
TD MD (m)
1066.800
TD TVDSS (m)
--
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1996-10-17
TD Reached
1996-11-01
Completion Date
1996-11-06
Release Date
2000-11-06

Formation Tops (9)

Wellbore Formation Era MD (m) TVDSS (m) Provider
13/21a- 3 Lista Mesozoic 183.000 158.002 Lloyds Register
Montrose Mesozoic 183.000 158.002 Lloyds Register
Maureen Mesozoic 401.000 375.986 Lloyds Register
Upper Cretaceous Chalk Mesozoic 471.000 445.981 Lloyds Register
Chalk Mesozoic 471.000 445.981 Lloyds Register
Cromer Knoll Mesozoic 939.000 913.906 Lloyds Register
Lower Cretaceous Undifferentiated Mesozoic 939.000 913.906 Lloyds Register
Captain Sandstone Mesozoic 945.000 919.906 Lloyds Register
Wick Sandstone 945.000 919.906 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- 3 3 5 1 8 9 2 0 1 0 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
13/21a- 3 Oil shows OS Carrack Formation 939.0888 -- 6 m thick
13/21a- 3 Oil shows OS LCAP 945.1848 -- 147 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
13/21a- 3 Cuttings 536.45 1089.96 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
13/21a- 3 182.27040100097656 1091.6412353515625 12 0 2026-08-06 07:43:34.081326+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
13/21a- 3
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 528.9804 1064.6664 3516
caliper CALS CGG Digital Well Logs 187.7568 1091.6412 5756
caliper C1 CGG Digital Well Logs 528.828 1092.5556000000001 3700
caliper C2 CGG Digital Well Logs 528.828 1092.5556000000001 3700
comp_sonic DT4P CGG Digital Well Logs 528.9804 1077.468 3600
comp_sonic DT CGG Digital Well Logs 187.9092 512.0640000000001 2128
comp_sonic DTC CGG Digital Well Logs 187.9092 1077.468 5727
deep_resistivity LLD CGG Digital Well Logs 187.9092 1081.7352 5796
deep_resistivity IDPH CGG Digital Well Logs 188.8236 531.876 2252
deep_resistivity ILD CGG Digital Well Logs 188.8236 531.876 2252
density_correction DRHO CGG Digital Well Logs 528.9804 1064.6664 3516
gamma_ray CGR CGG Digital Well Logs 403.098 1055.8272 4284
gamma_ray SGR CGG Digital Well Logs 403.098 1055.8272 4284
gamma_ray GR CGG Digital Well Logs 182.2704 1068.7812000000001 5816
med_resistivity IMPH CGG Digital Well Logs 188.6712 531.876 2253
med_resistivity ILM CGG Digital Well Logs 188.6712 531.876 2253
micro_resistivity MSFL CGG Digital Well Logs 187.9092 1091.4888 5746
neutron_por NPHI CGG Digital Well Logs 528.9804 1058.8752 3478
pef PEF CGG Digital Well Logs 528.9804 1064.6664 3516
potassium POTA CGG Digital Well Logs 402.9456 1055.8272 4285
shallow_resistivity LLS CGG Digital Well Logs 187.9092 1081.7352 5796
shallow_resistivity SFLU CGG Digital Well Logs 188.3664 531.876 2255
shear_sonic DT4S CGG Digital Well Logs 529.59 1074.8772000000001 1531
sp SP CGG Digital Well Logs 187.9092 1046.3784 5371
thorium THOR CGG Digital Well Logs 402.9456 1055.8272 4285
uranium URAN CGG Digital Well Logs 402.9456 1055.8272 4285

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
13/21a- 3 24 1089.959 1064.850 D:\BigSpatial\nsta_raw\CGG_Deviation\13-21a-3 24708bt_CGG-Deviation.xlsx

Related Documents

Open Document Search
Searching related documents...