Well Data Manager / Well Summary / 30/12b- 2

30/12b- 2

Decommissioned

Well Header

Well No
30/12b- 2
NSTA DEN No
1570
Well Name
--
Drill Seq No
2
Quadrant / Block
30 / 12 b
Surface Location
56.529499, 2.284297
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
NEO NEXT + ENERGY RESOURCES UK LIMITED
Original Operator
--
Sub Area Operator
NEO NEXT + ENERGY RESOURCES UK LIMITED
Licence No
P185
Licence Type
Production
Spud Date
1980-09-03
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

30/12b- 2 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas and Oil Well
Dev Type
--
Convention
--
Primary Target
B
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
29.870
Ground Elev (m)
--
Water Depth (m)
76.81
TD MD (m)
4886.554
TD TVDSS (m)
4856.683
TD Datum Depth (m)
29.870
TD Datum Type
Kelly Bushing
Spud Date
1980-09-03
TD Reached
1981-01-15
Completion Date
1981-03-17
Release Date
1985-03-17

Formation Tops (21)

Wellbore Formation Era MD (m) TVDSS (m) Provider
30/12b- 2 Horda Cenozoic 2670.000 2639.834 Lloyds Register
Stronsay Cenozoic 2670.000 2639.834 Lloyds Register
Balder Cenozoic 2922.000 2891.738 Lloyds Register
Balder Tuff Cenozoic 2922.000 2891.738 Lloyds Register
Moray Mesozoic 2922.000 2891.738 Lloyds Register
Sele Mesozoic 2938.000 2907.734 Lloyds Register
Lista Mesozoic 2943.000 2912.733 Lloyds Register
Montrose Mesozoic 2943.000 2912.733 Lloyds Register
Balmoral Sandstone Cenozoic 3019.000 2988.713 Lloyds Register
Maureen Sandstone Mesozoic 3059.000 3028.703 Lloyds Register
Maureen Mesozoic 3117.000 3086.690 Lloyds Register
Chalk Mesozoic 3164.000 3133.681 Lloyds Register
Ekofisk Mesozoic 3164.000 3133.681 Lloyds Register
Upper Cretaceous Chalk Mesozoic 3283.000 3252.666 Lloyds Register
Valhall Mesozoic 3995.000 3964.636 Lloyds Register
Cromer Knoll Mesozoic 3995.000 3964.636 Lloyds Register
Humber Mesozoic 4023.000 3992.634 Lloyds Register
Kimmeridge Clay 4023.000 3992.634 Lloyds Register
Fulmar Mesozoic 4028.000 3997.634 Lloyds Register
Heron Palaeozoic 4094.000 4063.624 Lloyds Register
Smith Bank Mesozoic 4094.000 4063.624 Lloyds Register

Lithology Intervals

30/12b- 2 Curve: SANDCOUNT 69 intervals  ·  MD 2953.055 – 4580.382 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
LITH Sand (51)
Limestone (18)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
30/12b- 2 7 11 3 19 21 2 1 1 7 View

Hydrocarbon Occurrence (9)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
30/12b- 2 DST DST 5 -- 0.0 0.0 Not used for labelling, multiple DSTs in same play / Upper Jurassic
30/12b- 2 Oil shows OS * 3719.1696 -- 276 m thick
30/12b- 2 Oil O Fulmar Formation 4027.9320000000002 -- 66 m thick
30/12b- 2 DST DST 6 -- 4028.2 4034.3 Not used for labelling, multiple DSTs in same play / Upper Jurassic
30/12b- 2 DST DST 6A -- 4028.3 4034.3 Label / Upper Jurassic
30/12b- 2 DST DST 4 -- 4047.7 4052.6 Not used for labelling, multiple DSTs in same play / Upper Jurassic
30/12b- 2 DST DST 3 -- 4058.1 4063.0 Not used for labelling, multiple DSTs in same play / Upper Jurassic
30/12b- 2 DST DST 2 -- 4086.8 4089.8 Not used for labelling, multiple DSTs in same play / Upper Jurassic
30/12b- 2 DST DST 1 -- 4211.7 4234.9 Label / Triassic

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
30/12b- 2 Cuttings 774.19 4882.9 -- -- .
30/12b- 2 Core #1 4336.08 4346.55 -- -- well re-boxed (originally curated Jan`82)

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
30/12b- 2 8.229599952697754 4886.5537109375 8 0 2026-08-06 13:48:55.426478+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
30/12b- 2
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1593.0372 4886.5536 21612
caliper CALI CGG Digital Well Logs 1592.5800000000002 4886.5536 21615
comp_sonic DT CGG Digital Well Logs 765.5052000000001 4880.305200000001 26738
deep_resistivity ILD CGG Digital Well Logs 766.572 4886.5536 26846
density_correction DRHO CGG Digital Well Logs 1593.0372 4886.5536 21612
gamma_ray GRD CGG Digital Well Logs 1578.102 4881.9816 21680
gamma_ray GR CGG Digital Well Logs 8.2296 4885.182000000001 32002
med_resistivity ILM CGG Digital Well Logs 766.4196000000001 4886.5536 26842
neutron_por NPHI CGG Digital Well Logs 1593.342 4884.8772 21599

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
30/12b- 2 36 4886.554 4856.030 D:\BigSpatial\nsta_raw\CGG_Deviation\30-12b-2 1176aj_CGG-Deviation.xlsx

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