Well Data Manager / Well Summary / 30/12- 1

30/12- 1

Decommissioned

Well Header

Well No
30/12- 1
NSTA DEN No
214
Well Name
--
Drill Seq No
1
Quadrant / Block
30 / 12
Surface Location
56.649685, 2.381378
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
CHRYSAOR PETROLEUM COMPANY U.K. LIMITED
Original Operator
CHEVRON U.K. LIMITED
Sub Area Operator
CHRYSAOR PETROLEUM COMPANY U.K. LIMITED
Licence No
P32
Licence Type
Production
Spud Date
1969-04-30
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

30/12- 1 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
27.584
Ground Elev (m)
--
Water Depth (m)
73.76
TD MD (m)
3782.416
TD TVDSS (m)
0.000
TD Datum Depth (m)
27.584
TD Datum Type
Kelly Bushing
Spud Date
1969-04-30
TD Reached
1969-06-10
Completion Date
1969-07-12
Release Date
1973-07-12

Formation Tops (22)

Wellbore Formation Era MD (m) TVDSS (m) Provider
30/12- 1 Stronsay Cenozoic 2535.000 2507.095 Lloyds Register
Horda Cenozoic 2535.000 2507.095 Lloyds Register
Balder Tuff Cenozoic 2735.000 2707.050 Lloyds Register
Balder Cenozoic 2735.000 2707.050 Lloyds Register
Moray Mesozoic 2735.000 2707.050 Lloyds Register
Sele Mesozoic 2748.000 2720.047 Lloyds Register
Lista Mesozoic 2784.000 2756.039 Lloyds Register
Montrose Mesozoic 2784.000 2756.039 Lloyds Register
Balmoral Sandstone Cenozoic 2810.000 2782.033 Lloyds Register
Maureen Sandstone Mesozoic 2835.000 2807.027 Lloyds Register
Maureen Mesozoic 2901.000 2873.012 Lloyds Register
Chalk Mesozoic 2943.000 2915.003 Lloyds Register
Ekofisk Mesozoic 2943.000 2915.003 Lloyds Register
Upper Cretaceous Chalk Mesozoic 3007.000 2978.988 Lloyds Register
Humber Mesozoic 3472.000 3443.882 Lloyds Register
Fulmar Mesozoic 3472.000 3443.882 Lloyds Register
Smith Bank Mesozoic 3487.000 3458.879 Lloyds Register
Heron Palaeozoic 3487.000 3458.879 Lloyds Register
Turbot Anhydrite Palaeozoic 3636.000 3607.845 Lloyds Register
Zechstein Palaeozoic 3636.000 3607.845 Lloyds Register
Auk 3661.000 3632.839 Lloyds Register
Rotliegend 3661.000 3632.839 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
30/12- 1 8 11 3 22 22 8 0 1 5 View

Hydrocarbon Occurrence (8)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
30/12- 1 DST DST 5 -- 2870.0 2874.6 Label / Balmoral
30/12- 1 Mixed shows OGS * 2895.6000000000004 -- 110 m thick
30/12- 1 DST DST 4 -- 2950.5 2959.6 Label / Upper Cretaceous
30/12- 1 Mixed shows OGS * 3005.328 -- 119 m thick
30/12- 1 DST DST 3 -- 3037.3 3041.9 Not used for labelling, multiple DSTs in same play / Upper Cretaceous
30/12- 1 DST DST 2 -- 3053.5 3058.1 Not used for labelling, multiple DSTs in same play / Upper Cretaceous
30/12- 1 Mixed shows OGS * 3471.672 -- 13 m thick
30/12- 1 DST DST 1 -- 3474.7 3482.7 Label / Upper Jurassic

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
30/12- 1 Cuttings 271.27 3806.95 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
30/12- 1 243.2303924560547 3815.791259765625 8 0 2026-08-06 13:47:33.894998+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
30/12- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 2713.3296 3815.0292000000004 4183
caliper CALI CGG Digital Well Logs 2709.9768 3807.8664000000003 4142
caliper CAL CGG Digital Well Logs 1065.8856 3815.7912 18045
caliper MCAL CGG Digital Well Logs 2715.9204 3718.2552 3544
comp_sonic DT CGG Digital Well Logs 1066.1904 3809.8476 18004
deep_resistivity ILD CGG Digital Well Logs 1066.038 3812.7432000000003 18024
density_correction DRHO CGG Digital Well Logs 2713.0248 3096.0060000000003 2514
gamma_ray GR CGG Digital Well Logs 243.2304 3814.8768 23437
micro_resistivity MLL CGG Digital Well Logs 2717.4444000000003 3720.5412 3498
micro_resistivity MNOR CGG Digital Well Logs 2712.1104 3717.4932000000003 3573
micro_resistivity MINV CGG Digital Well Logs 2711.958 3717.4932000000003 3577
sp SP CGG Digital Well Logs 1066.1904 3815.7912 18043

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
30/12- 1 9 3815.791 3787.594 D:\BigSpatial\nsta_raw\CGG_Deviation\30-12-1 1175bq-CGG_Deviation.xlsx

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