Well Data Manager / Well Summary / 29/06a- 4

29/06a- 4

Decommissioned

Well Header

Well No
29/06a- 4
NSTA DEN No
3813
Well Name
--
Drill Seq No
4
Quadrant / Block
29 / 6 a
Surface Location
56.810426, 1.144256
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
SPIRIT ENERGY NORTH SEA OIL LIMITED
Original Operator
--
Sub Area Operator
SPIRIT ENERGY NORTH SEA OIL LIMITED
Licence No
P244
Licence Type
Production
Spud Date
1989-06-30
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

29/06a- 4 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
D
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.600
Ground Elev (m)
--
Water Depth (m)
92.35
TD MD (m)
3901.740
TD TVDSS (m)
1173.645
TD Datum Depth (m)
25.298
TD Datum Type
Kelly Bushing
Spud Date
1989-06-30
TD Reached
1989-08-05
Completion Date
1989-08-14
Release Date
1993-08-14

Formation Tops (23)

Wellbore Formation Era MD (m) TVDSS (m) Provider
29/06a- 4 Horda Cenozoic 1854.000 1827.496 Lloyds Register
Stronsay Cenozoic 1854.000 1827.496 Lloyds Register
Lower Tay Sandstone 2424.000 2397.155 Lloyds Register
Balder Tuff Cenozoic 2533.000 2506.058 Lloyds Register
Balder Cenozoic 2533.000 2506.058 Lloyds Register
Moray Mesozoic 2533.000 2506.058 Lloyds Register
Sele Mesozoic 2568.000 2541.044 Lloyds Register
Forties Sandstone Mesozoic 2612.000 2585.034 Lloyds Register
Lista Mesozoic 2624.000 2597.032 Lloyds Register
Montrose Mesozoic 2624.000 2597.032 Lloyds Register
Balmoral Sandstone Cenozoic 2669.000 2642.025 Lloyds Register
Maureen Marl 2684.000 2657.024 Lloyds Register
Maureen Mesozoic 2684.000 2657.024 Lloyds Register
Chalk Mesozoic 2710.000 2683.023 Lloyds Register
Ekofisk Mesozoic 2710.000 2683.023 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2801.000 2774.021 Lloyds Register
Lower Cretaceous Undifferentiated Mesozoic 3162.000 3134.959 Lloyds Register
Cromer Knoll Mesozoic 3162.000 3134.959 Lloyds Register
Humber Mesozoic 3401.000 3373.293 Lloyds Register
Kimmeridge Clay 3401.000 3373.293 Lloyds Register
Heron Palaeozoic 3488.000 3459.737 Lloyds Register
Skagerrak Mesozoic 3488.000 3459.737 Lloyds Register
Smith Bank Mesozoic 3572.000 3543.127 Lloyds Register

Lithology Intervals

29/06a- 4 Curve: SANDCOUNT 53 intervals  ·  MD 1100.328 – 3529.432 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Limestone (45)
LITH Sand (8)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
29/06a- 4 7 11 5 32 23 1 0 1 0 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
29/06a- 4 Mixed shows OGS KCFB 3413.76 -- 74 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
29/06a- 4 Cuttings 313.94 3898.7 -- -- duplicate set see S58336 - 38 / curated May`03 to fill gap

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
29/06a- 4 112.16639709472656 3900.373291015625 12 0 2026-08-06 12:37:51.503064+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
29/06a- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 2284.7808 3900.3732 10602
caliper CALS CGG Digital Well Logs 3183.3312 3899.916 4665
caliper CALI CGG Digital Well Logs 2285.0856000000003 3900.3732 10600
comp_sonic DT CGG Digital Well Logs 1076.8584 3884.9808000000003 18382
deep_resistivity LLD CGG Digital Well Logs 3183.9408000000003 3892.6008 4615
deep_resistivity ILD CGG Digital Well Logs 1076.5536 3193.2372 13890
density_correction DRHO CGG Digital Well Logs 2284.7808 3900.2208 10601
gamma_ray GRD CGG Digital Well Logs 2284.9332 3891.534 10543
gamma_ray CGR CGG Digital Well Logs 2289.0480000000002 3186.0744 5887
gamma_ray GR CGG Digital Well Logs 112.16640000000001 3891.3816 24799
med_resistivity ILM CGG Digital Well Logs 1076.7060000000001 3194.1516 13895
micro_resistivity MSFL CGG Digital Well Logs 3183.3312 3899.916 4665
neutron_por NPHI CGG Digital Well Logs 2284.7808 3894.4296000000004 10563
pef PEF CGG Digital Well Logs 2284.7808 3900.3732 10602
potassium POTA CGG Digital Well Logs 2289.0480000000002 3186.0744 5887
shallow_resistivity LLS CGG Digital Well Logs 3183.636 3892.6008 4621
sp SP CGG Digital Well Logs 3182.7216000000003 3871.722 4522
thorium THOR CGG Digital Well Logs 2289.0480000000002 3185.922 5886
uranium URAN CGG Digital Well Logs 2289.0480000000002 3185.922 5886

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
29/06a- 4 324 3898.697 3867.328 D:\BigSpatial\nsta_raw\CGG_Deviation\29-6a-4 8476bw_CGG-Deviation.xlsx

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