Well Data Manager / Well Summary / 3/20a- 4

3/20a- 4

Present

Well Header

Well No
3/20a- 4
NSTA DEN No
7775
Well Name
--
Drill Seq No
4
Quadrant / Block
3 / 20 a
Surface Location
60.469445, 1.819101
Source Datum
ED50
Subsea Well
Yes
Platform
--
Slot No
--
Operator
--
Original Operator
--
Sub Area Operator
TOTALENERGIES E&P UK LIMITED
Licence No
P118
Licence Type
Production
Spud Date
2008-06-22
Source File
UKCS_Wells_ConvtoWGS84.shp
Imported
2026-05-22 15:28

Wellbores (6)

3/20a- 4 Sidetrack R parent: 3/20a- 2
Abandoned Phase 1 View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Gas Show
Dev Type
Producer
Convention
--
Primary Target
Z
Well Seq
WB2
Datum Type
Rotary Table
Datum Elev (m)
26.400
Ground Elev (m)
--
Water Depth (m)
117.90
TD MD (m)
2777.000
TD TVDSS (m)
1699.000
TD Datum Depth (m)
24.400
TD Datum Type
Kelly Bushing
Spud Date
2008-06-22
TD Reached
2008-07-21
Completion Date
2008-07-30
Release Date
2012-07-30
3/20a- 4V Sidetrack V parent: 3/20a- 4W
Plugged View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
Y
Well Seq
WB7
Datum Type
Rotary Table
Datum Elev (m)
26.400
Ground Elev (m)
--
Water Depth (m)
117.90
TD MD (m)
2700.000
TD TVDSS (m)
1662.300
TD Datum Depth (m)
8.047
TD Datum Type
Kelly Bushing
Spud Date
2008-11-12
TD Reached
2009-01-27
Completion Date
2009-02-24
Release Date
2013-02-24
3/20a- 4W Sidetrack W parent: 3/20a- 4X
Abandoned Phase 1 Survey
Current Intent
Development
Original Intent
Development
Flow Class
Gas Show
Dev Type
Producer
Convention
--
Primary Target
Y
Well Seq
WB6
Datum Type
Rotary Table
Datum Elev (m)
26.400
Ground Elev (m)
--
Water Depth (m)
117.90
TD MD (m)
2495.000
TD TVDSS (m)
1625.200
TD Datum Depth (m)
26.400
TD Datum Type
Kelly Bushing
Spud Date
2008-09-27
TD Reached
2008-09-29
Completion Date
2008-11-12
Release Date
2012-11-12
3/20a- 4X Sidetrack X parent: 3/20a- 4Y
Abandoned Phase 1 View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Gas Show
Dev Type
Producer
Convention
--
Primary Target
Y
Well Seq
WB5
Datum Type
Rotary Table
Datum Elev (m)
26.400
Ground Elev (m)
--
Water Depth (m)
117.90
TD MD (m)
2752.000
TD TVDSS (m)
1653.600
TD Datum Depth (m)
24.400
TD Datum Type
Kelly Bushing
Spud Date
2008-08-24
TD Reached
2008-09-01
Completion Date
2008-09-27
Release Date
2012-09-27
3/20a- 4Y Sidetrack Y parent: 3/20a- 4Z
Abandoned Phase 1 View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Gas Show
Dev Type
Producer
Convention
--
Primary Target
Y
Well Seq
WB4
Datum Type
Rotary Table
Datum Elev (m)
26.400
Ground Elev (m)
--
Water Depth (m)
117.90
TD MD (m)
2814.000
TD TVDSS (m)
1656.500
TD Datum Depth (m)
26.400
TD Datum Type
Kelly Bushing
Spud Date
2008-08-14
TD Reached
2008-08-15
Completion Date
2008-08-24
Release Date
2012-08-24
3/20a- 4Z Sidetrack Z parent: 3/20a- 4
Abandoned Phase 1 View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
L4
Well Seq
WB3
Datum Type
Rotary Table
Datum Elev (m)
26.400
Ground Elev (m)
--
Water Depth (m)
117.90
TD MD (m)
2929.000
TD TVDSS (m)
1699.600
TD Datum Depth (m)
26.400
TD Datum Type
Kelly Bushing
Spud Date
2008-07-30
TD Reached
2008-08-04
Completion Date
2008-08-14
Release Date
2012-08-14

Formation Tops (0)

No formation tops ingested for this well.

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
3/20a- 4 0 0 0 0 0 0 0 0 0
3/20a- 4V 0 0 0 0 0 0 0 0 0
3/20a- 4W 0 0 0 0 0 0 0 0 0
3/20a- 4X 0 0 0 0 0 0 0 0 0
3/20a- 4Y 0 0 0 0 0 0 0 0 0
3/20a- 4Z 0 0 0 0 0 0 0 0 0

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (0)

No cuttings, core, or plug samples recorded for this well.

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
3/20a- 4 195.07200622558594 2763.43798828125 2 0 2026-08-06 13:30:22.884972+00 View Log
3/20a- 4V 195.07200622558594 2687.23876953125 2 0 2026-08-06 13:30:23.642552+00 View Log
3/20a- 4X 195.07200622558594 2741.035400390625 3 0 2026-08-06 13:30:24.301+00 View Log
3/20a- 4Y 195.06719970703125 2801.235595703125 3 0 2026-08-06 13:30:25.540383+00 View Log
3/20a- 4Z 195.07200622558594 2916.59814453125 2 0 2026-08-06 13:30:26.894699+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
3/20a- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bit_size BS OGA Batch Unzipped 195.072 2776.8804 16942
bit_size BIT Energective CorrectedLOGS 207.11144760000002 2776.8490056000005 16863
comp_sonic DT OGA Batch Unzipped 612.8004 2744.4192 13673
comp_sonic DTC Energective CorrectedLOGS 612.7953098400001 2744.3882018400004 13673
gamma_ray GR OGA Batch Unzipped 195.072 2763.4692 16529
gamma_ray GRI Energective CorrectedLOGS 195.072 2763.437958 16529
rate_of_penetration ROP Energective CorrectedLOGS 980.22725976 2776.6966056000006 11785
shear_sonic DTS Energective CorrectedLOGS 613.25250984 2744.0834018400005 12983
tvdss SS Energective CorrectedLOGS 194.7672 2777.0014056000005 16945
3/20a- 4V
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bit_size BS OGA Batch Unzipped 479.6028 2687.2692 14487
deep_resistivity CRSD Energective CorrectedLOGS 477.00855576000004 2687.2389028800003 14354
gamma_ray GRI Energective CorrectedLOGS 195.072 2687.2389028800003 16341
gamma_ray GR OGA Batch Unzipped 195.072 2687.2692 16339
rate_of_penetration ROP OGA Batch Unzipped 477.1644 2687.2692 14488
tvdss SS Energective CorrectedLOGS 194.7672 2687.3913028800002 16357
3/20a- 4W
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
rate_of_penetration ROP Energective CorrectedLOGS 2472.2406638400003 2493.34038288 97
tvdss SS Energective CorrectedLOGS 2460.0408 2493.54039264 336
3/20a- 4X
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bit_size BIT Energective CorrectedLOGS 207.11144760000002 2751.2461104 16695
bit_size BS OGA Batch Unzipped 195.072 2751.2772 16774
comp_sonic DT OGA Batch Unzipped 612.8004 877.824 1666
comp_sonic DTC Energective CorrectedLOGS 612.7953098400001 877.8157094400001 1666
density_correction DRH Energective CorrectedLOGS 612.7953098400001 877.8157094400001 1740
gamma_ray GRI Energective CorrectedLOGS 195.072 2741.03543232 16378
gamma_ray GR OGA Batch Unzipped 195.072 2741.0664 16378
rate_of_penetration ROP Energective CorrectedLOGS 878.12047896 2753.22727992 11342
shear_sonic DTS Energective CorrectedLOGS 613.25250984 877.8157094400001 1109
tvdss SS Energective CorrectedLOGS 194.7672 2753.22727992 16789
3/20a- 4Y
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bit_size BIT Energective CorrectedLOGS 207.06703824000002 2813.43533832 26065
bit_size BS OGA Batch Unzipped 195.072 2813.4564 17182
comp_sonic DTC Energective CorrectedLOGS 612.76211712 2743.83617856 20832
comp_sonic DT OGA Batch Unzipped 612.8004 1206.8556 3825
density_correction DRH Energective CorrectedLOGS 612.76211712 2743.83617856 14239
gamma_ray GRI Energective CorrectedLOGS 195.06718416 2801.23550496 25591
gamma_ray GR OGA Batch Unzipped 195.072 2801.2644 16793
rate_of_penetration ROP Energective CorrectedLOGS 980.15764344 2814.33532128 18343
shear_sonic DTS Energective CorrectedLOGS 613.3621159200001 2743.23621024 19777
tvdss SS Energective CorrectedLOGS 194.7672 2814.53533104 26199
3/20a- 4Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bit_size BS OGA Batch Unzipped 195.072 2929.7376 17945
comp_sonic DT OGA Batch Unzipped 612.8004 1206.8556 3825
comp_sonic DTC Energective CorrectedLOGS 612.7953098400001 1206.84328608 3825
gamma_ray GR OGA Batch Unzipped 195.072 2916.6312 17550
gamma_ray GRLW Energective CorrectedLOGS 195.072 2916.59809872 17550
rate_of_penetration ROP OGA Batch Unzipped 980.2368 2929.7376 12793
shear_sonic DTS Energective CorrectedLOGS 613.25250984 1206.84328608 3251
tvdss SS Energective CorrectedLOGS 194.7672 2916.59809872 17861

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
3/20a- 4 115 2777.000 1699.035 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_3\3_20a- 4\WELL_PATH\WDD_QC\3_20a-_4_wdd_WDD_FILE_2001764_DATACO_MAPPED.csv
3/20a- 4V 0 -- -- --
3/20a- 4W 0 -- -- --
3/20a- 4X 0 -- -- --
3/20a- 4Y 0 -- -- --
3/20a- 4Z 0 -- -- --

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