Well Data Manager / Well Summary / 3/11b- 4

3/11b- 4

Decommissioned

Well Header

Well No
3/11b- 4
NSTA DEN No
2013
Well Name
--
Drill Seq No
4
Quadrant / Block
3 / 11 b
Surface Location
60.610749, 1.026968
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
MIDLAND & SCOTTISH ENERGY LIMITED
Original Operator
--
Sub Area Operator
MIDLAND & SCOTTISH ENERGY LIMITED
Licence No
P330
Licence Type
Production
Spud Date
1982-10-11
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

3/11b- 4 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
B
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.990
Ground Elev (m)
--
Water Depth (m)
151.49
TD MD (m)
1825.770
TD TVDSS (m)
1800.780
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1982-10-11
TD Reached
1982-10-28
Completion Date
1982-11-02
Release Date
1986-11-02
3/11b- 4Z Sidetrack Z parent: 3/11b- 4
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
B
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
24.990
Ground Elev (m)
--
Water Depth (m)
151.49
TD MD (m)
1867.800
TD TVDSS (m)
1790.110
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1982-11-02
TD Reached
1982-11-11
Completion Date
1982-11-18
Release Date
1986-11-18

Formation Tops (5)

Wellbore Formation Era MD (m) TVDSS (m) Provider
3/11b- 4 Lower Mousa 895.000 869.994 Ternan
Maureen Sst Mesozoic 1540.000 1514.975 Ternan
Shetland Mesozoic 1660.000 1634.972 Ternan
Old Red Sandstone 1771.000 1745.963 Ternan
3/11b- 4Z Shetland Mesozoic 1717.000 1641.818 Ternan

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
3/11b- 4 0 0 0 13 4 0 2 1 0 View
3/11b- 4Z 0 0 0 8 1 0 1 1 0 View

Hydrocarbon Occurrence (5)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
3/11b- 4 Oil shows OS Montrose Group 1105.5096 -- 209 m thick
3/11b- 4 Oil shows OS Heather Formation 1756.8672000000001 -- 14 m thick
3/11b- 4Z Oil shows OS HEIM 1105.8144 -- 221 m thick
3/11b- 4Z Oil shows OS Heather Formation 1833.6768000000002 -- 14 m thick
3/11b- 4Z Oil shows OS * 1847.3928 -- 20 m thick

Rock Samples (5)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
3/11b- 4 Cuttings 539.5 1867.81 -- -- see S23767
3/11b- 4 Core #2 1105.51 1773.63 -- -- whole core sent .
3/11b- 4 Core #3 1712.06 1723.03 -- -- .
3/11b- 4Z Cuttings 987.55 1867.81 -- -- duplicate set see S130649/S130651/S130652
3/11b- 4Z Core #1 1324.36 1863.85 -- -- core chips

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
3/11b- 4 149.9615936279297 1824.5328369140625 12 0 2026-08-06 13:16:39.694599+00 View Log
3/11b- 4Z 917.6004028320312 1871.167236328125 9 0 2026-08-06 13:16:46.581178+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
3/11b- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
apparent_water_resistivity RWA Energective CorrectedLOGS 526.6944 1814.9316000000001 844
bulk_density RHOB CGG Digital Well Logs 927.8112000000001 1821.7896 5867
bulk_density DEN OGA Batch Unzipped 918.9720000000001 1825.5996 5945
bulk_density LDL Energective CorrectedLOGS 940.1556 1824.5328000000002 5804
cable_tension TNS Energective CorrectedLOGS 503.3772 1824.99 7097
caliper CALI CGG Digital Well Logs 927.6588 1820.2656000000002 5858
caliper CLD Energective CorrectedLOGS 927.6588 1820.2656000000002 5858
comp_sonic DT CGG Digital Well Logs 525.3228 1809.2928000000002 8426
comp_sonic DTC Energective CorrectedLOGS 525.3228 1809.2928000000002 8414
deep_resistivity ILD Energective CorrectedLOGS 539.9532 1822.5516 8417
density_correction DRHO CGG Digital Well Logs 927.8112000000001 1821.7896 5867
density_correction DRH Energective CorrectedLOGS 927.8112000000001 1824.5328000000002 5885
density_correction DENC OGA Batch Unzipped 918.9720000000001 1825.5996 5945
gamma_ray GR CGG Digital Well Logs 149.9616 1815.6936 10931
gamma_ray GRD CGG Digital Well Logs 918.3624000000001 1817.3700000000001 5900
gamma_ray GRI Energective CorrectedLOGS 149.9616 1815.6936 10927
neutron_por NPHI CGG Digital Well Logs 927.6588 1820.7228 5861
neutron_por NEU OGA Batch Unzipped 918.9720000000001 1821.3324 5922
neutron_por CNLC Energective CorrectedLOGS 936.3456000000001 1820.7228 5804
porosity POR Energective CorrectedLOGS 525.4752 1815.6936 8467
shallow_resistivity SFLU CGG Digital Well Logs 525.4752 1821.7896 8507
shallow_resistivity SFL Energective CorrectedLOGS 525.4752 1822.3992 8511
sp SP Energective CorrectedLOGS 537.3624 1822.7040000000002 8435
tvdss SS Energective CorrectedLOGS 149.9616 1825.4472 10995
vshale VSH Energective CorrectedLOGS 152.0952 1815.6936 10917
vshale VSGR Energective CorrectedLOGS 152.0952 1768.7544 10590
water_sat SW Energective CorrectedLOGS 525.4752 1815.6936 8467
water_sat_xo SXO Energective CorrectedLOGS 525.4752 1815.6936 8467
3/11b- 4Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1261.7196000000001 1867.8144000000002 2786
bulk_density LDL Energective CorrectedLOGS 1261.7196000000001 1870.71 2806
cable_tension TNS Energective CorrectedLOGS 918.0576000000001 1862.6328 6199
caliper CALI CGG Digital Well Logs 920.8008000000001 1867.8144000000002 6215
caliper CLD Energective CorrectedLOGS 920.8008000000001 1870.8624000000002 6235
comp_sonic DTC Energective CorrectedLOGS 929.7924 1844.9544 5985
comp_sonic DT CGG Digital Well Logs 927.8112000000001 1853.6412 6032
deep_resistivity ILD Energective CorrectedLOGS 928.2684 1862.4804000000001 6131
density_correction DRHO CGG Digital Well Logs 1260.6528 1867.8144000000002 2802
density_correction DRH Energective CorrectedLOGS 1260.6528 1869.6432000000002 2816
gamma_ray GR CGG Digital Well Logs 917.6004 1861.8708000000001 6197
gamma_ray SGR CGG Digital Well Logs 1268.73 1860.3468 2677
gamma_ray GRI Energective CorrectedLOGS 917.6004 1861.8708000000001 6197
gamma_ray CGR Energective CorrectedLOGS 1268.8824 1860.1944 2677
neutron_por CNLC Energective CorrectedLOGS 1262.0244 1864.614 2751
neutron_por NPHI CGG Digital Well Logs 1262.0244 1865.0712 2752
potassium POTA CGG Digital Well Logs 1268.73 1860.804 2679
shallow_resistivity SFL Energective CorrectedLOGS 927.9636 1863.6996000000001 6141
shallow_resistivity SFLU CGG Digital Well Logs 927.9636 1863.6996000000001 6141
sp SP Energective CorrectedLOGS 931.3164 1871.1672 6168
thorium THOR CGG Digital Well Logs 1268.73 1860.6516000000001 2679
tvdss SS Energective CorrectedLOGS 917.4480000000001 1871.4720000000002 6261
uranium URAN CGG Digital Well Logs 1268.8824 1860.6516000000001 2197

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
3/11b- 4 15 1825.752 1800.693 D:\BigSpatial\nsta_raw\CGG_Deviation\3-11b-4 6355h_CGG-Deviation.xlsx
3/11b- 4Z 35 1867.814 1762.134 D:\BigSpatial\nsta_raw\CGG_Deviation\3-11b-4Z 6356f_CGG-Deviation.xlsx

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