Well Data Manager / Well Summary / 3/09a-N31

3/09a-N31

Present

Well Header

Well No
3/09a-N31
NSTA DEN No
4705
Well Name
--
Drill Seq No
31
Quadrant / Block
3 / 9 a
Surface Location
60.808715, 1.736123
Source Datum
ED50
Subsea Well
Unknown
Platform
N
Slot No
15
Operator
NEO NEXT+ ENERGY E&P UK LIMITED
Original Operator
--
Sub Area Operator
NEO NEXT+ ENERGY E&P UK LIMITED
Licence No
P90
Licence Type
Production
Spud Date
1992-04-10
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

3/09a-N31 Original
Abandoned Phase 1 View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
47.600
Ground Elev (m)
--
Water Depth (m)
130.00
TD MD (m)
3700.000
TD TVDSS (m)
3320.910
TD Datum Depth (m)
47.600
TD Datum Type
Kelly Bushing
Spud Date
1992-04-10
TD Reached
1992-05-19
Completion Date
1992-06-01
Release Date
1996-06-01
3/09a-N31Z Sidetrack Z parent: 3/09a-N31
Completed (Shut In) View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
N31
Well Seq
WB2
Datum Type
Rotary Table
Datum Elev (m)
47.600
Ground Elev (m)
--
Water Depth (m)
130.00
TD MD (m)
4070.000
TD TVDSS (m)
3198.180
TD Datum Depth (m)
47.600
TD Datum Type
Rotary Table
Spud Date
2001-03-21
TD Reached
2001-04-10
Completion Date
2001-05-06
Release Date
2005-05-06

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
3/09a-N31 0 0 0 0 0 0 9 0 0 View
3/09a-N31Z 0 0 0 0 0 0 0 0 0

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (39)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
3/09a-N31 Core #1 3383.0 3409.0 -- -- --
3/09a-N31 Core #2 3406.0 3432.46 φ 23.9% (n=5) · Kh 228.0 mD (n=5) · Density 2.64 (n=5) · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisp --
3/09a-N31 ↳ Plug 1A 3420.21 -- φ 23.0% · Kh 144.0 mD · Density 2.65 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisp --
3/09a-N31 ↳ Plug 1B 3420.26 -- φ 21.6% · Kh 98.1 mD · Density 2.65 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisp --
3/09a-N31 ↳ Plug 1C 3420.3 -- φ 24.8% · Kh 268.0 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisp --
3/09a-N31 ↳ Plug 1D 3420.35 -- φ 25.0% · Kh 339.0 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisp --
3/09a-N31 ↳ Plug 1E 3420.4 -- φ 25.1% · Kh 291.0 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisp --
3/09a-N31 Core #3 3433.5 3461.5 φ 19.8% (n=15) · Kh 137.1 mD (n=15) · Density 2.64 (n=15) · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisp; Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisps.; Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt/carbonaceous laminations/wi --
3/09a-N31 ↳ Plug 2A 3439.59 -- φ 18.7% · Kh 136.0 mD · Density 2.63 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisp --
3/09a-N31 ↳ Plug 2B 3439.64 -- φ 20.7% · Kh 239.0 mD · Density 2.63 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt/carbonaceous laminations/wi --
3/09a-N31 ↳ Plug 2C 3439.68 -- φ 20.4% · Kh 192.0 mD · Density 2.63 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt/carbonaceous laminations/wi --
3/09a-N31 ↳ Plug 2D 3439.73 -- φ 20.1% · Kh 339.0 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt/carbonaceous laminations/wi --
3/09a-N31 ↳ Plug 2E 3439.77 -- φ 22.3% · Kh 291.0 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt/carbonaceous laminations/wi --
3/09a-N31 ↳ Plug 3A 3448.14 -- φ 18.0% · Kh 14.6 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt/carbonaceous laminations/wi --
3/09a-N31 ↳ Plug 3B 3448.18 -- φ 18.8% · Kh 25.2 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt/carbonaceous laminations/wi --
3/09a-N31 ↳ Plug 3C 3448.21 -- φ 18.7% · Kh 26.5 mD · Density 2.65 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt/carbonaceous laminations/wi --
3/09a-N31 ↳ Plug 3D 3448.24 -- φ 18.3% · Kh 15.7 mD · Density 2.65 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt/carbonaceous laminations/wi --
3/09a-N31 ↳ Plug 3E 3448.27 -- φ 18.8% · Kh 25.1 mD · Density 2.65 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt/carbonaceous laminations/wi --
3/09a-N31 ↳ Plug 4A 3455.7 -- φ 20.6% · Kh 88.9 mD · Density 2.65 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisps. --
3/09a-N31 ↳ Plug 4B 3455.74 -- φ 20.7% · Kh 92.6 mD · Density 2.66 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisps. --
3/09a-N31 ↳ Plug 4C 3455.78 -- φ 20.5% · Kh 206.0 mD · Density 2.65 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisps. --
3/09a-N31 ↳ Plug 4D 3455.82 -- φ 19.7% · Kh 115.0 mD · Density 2.65 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisps. --
3/09a-N31 ↳ Plug 4E 3455.86 -- φ 21.0% · Kh 250.0 mD · Density 2.65 · COREX (UK) LTD Sandstone: Light brown, laminated, well consolidated. Fine to medium grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Silt laminations/wisps. --
3/09a-N31 Core #4 3461.5 3478.5 -- -- --
3/09a-N31 Core #5 3479.5 3504.0 φ 18.7% (n=8) · Kh 1409.4 mD (n=8) · Density 2.64 (n=8) · COREX (UK) LTD NO ANALYSIS | Sandstone: Light brown, massive, well consolidated. Medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas.; Sandstone: Light brown/grey, laminated, well consolidated. Fine grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Argillaceous laminations/wisps. --
3/09a-N31 ↳ Plug 5A* 3480.04 -- COREX (UK) LTD NO ANALYSIS | Sandstone: Light brown/grey, laminated, well consolidated. Fine grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Argillaceous laminations/wisps. --
3/09a-N31 ↳ Plug 5B* 3480.07 -- COREX (UK) LTD NO ANALYSIS | Sandstone: Light brown/grey, laminated, well consolidated. Fine grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Argillaceous laminations/wisps. --
3/09a-N31 ↳ Plug 5C 3480.09 -- φ 17.8% · Kh 4.6 mD · Density 2.65 · COREX (UK) LTD Sandstone: Light brown/grey, laminated, well consolidated. Fine grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Argillaceous laminations/wisps. --
3/09a-N31 ↳ Plug 5D 3480.15 -- φ 16.9% · Kh 2.9 mD · Density 2.65 · COREX (UK) LTD Sandstone: Light brown/grey, laminated, well consolidated. Fine grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Argillaceous laminations/wisps. --
3/09a-N31 ↳ Plug 5E 3480.2 -- φ 16.0% · Kh 1.9 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown/grey, laminated, well consolidated. Fine grained, well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. Argillaceous laminations/wisps. --
3/09a-N31 ↳ Plug 6A 3496.09 -- φ 20.5% · Kh 1842.0 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, massive, well consolidated. Medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. --
3/09a-N31 ↳ Plug 6B 3496.12 -- φ 19.4% · Kh 1926.0 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, massive, well consolidated. Medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. --
3/09a-N31 ↳ Plug 6C 3496.15 -- φ 19.6% · Kh 2346.0 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, massive, well consolidated. Medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. --
3/09a-N31 ↳ Plug 6D 3496.18 -- φ 18.8% · Kh 2774.0 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, massive, well consolidated. Medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. --
3/09a-N31 ↳ Plug 6E 3496.21 -- φ 20.5% · Kh 2378.0 mD · Density 2.64 · COREX (UK) LTD Sandstone: Light brown, massive, well consolidated. Medium grained, moderately well sorted, subrounded to rounded. Patchy calcareous cement (Fe calcite?), common micas. --
3/09a-N31 Core #6 3504.0 3525.0 -- -- --
3/09a-N31 Core #7 3522.0 3547.69 -- -- --
3/09a-N31 Core #8 3547.0 3553.4 -- -- --
3/09a-N31 Core #9 3555.0 3579.0 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
3/09a-N31 3295.19287109375 3705.448486328125 9 0 2026-08-06 13:10:49.966364+00 View Log
3/09a-N31Z 3407.054443359375 4059.326416015625 3 0 2026-08-08 01:29:42.6784+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
3/09a-N31
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bit_size BS OGA Batch Unzipped 3299.46 3702.1008 2643
bulk_density DEN OGA Batch Unzipped 3299.46 3702.4056 2645
bulk_density CDEN Energective CorrectedLOGS 3299.45993904 3702.4006317600006 2645
caliper CALI OGA Batch Unzipped 3299.46 3702.1008 2643
caliper CLD Energective CorrectedLOGS 3299.45993904 3702.0958622400003 2643
comp_sonic DTC Energective CorrectedLOGS 3300.83153904 3690.97078416 2560
comp_sonic DT OGA Batch Unzipped 3300.8316 3691.2804 2563
deep_resistivity ILD Energective CorrectedLOGS 3302.35550856 3700.41946224 2613
density_correction CDRH Energective CorrectedLOGS 3299.45993904 3702.4006317600006 2645
density_correction DENC OGA Batch Unzipped 3299.46 3702.4056 2645
gamma_ray GRI Energective CorrectedLOGS 3295.1928000000003 3705.4486012800003 2693
gamma_ray GRLW Energective CorrectedLOGS 3304.79387808 3696.6095232000002 2572
med_resistivity ILM Energective CorrectedLOGS 3302.35550856 3700.41946224 2613
neutron_por NEU OGA Batch Unzipped 3299.46 3702.4056 2645
neutron_por CNEU Energective CorrectedLOGS 3299.45993904 3702.4006317600006 2645
pef CPEF Energective CorrectedLOGS 3595.7219424 3701.63866224 691
pef PEF OGA Batch Unzipped 3595.7256 3701.6436 696
potassium POTA OGA Batch Unzipped 3299.46 3700.7292 2634
thorium THOR OGA Batch Unzipped 3299.46 3700.7292 2634
tvdss SS Energective CorrectedLOGS 3294.8880000000004 3705.4486012800003 2695
uranium URAN OGA Batch Unzipped 3299.46 3700.7292 2634
3/09a-N31Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
deep_resistivity RES_DEP OGA Batch Unzipped 3420.3132 4059.3264 4194
gamma_ray GRLW Energective CorrectedLOGS 3407.0544 4057.18490568 4267
med_resistivity RES_MED OGA Batch Unzipped 3420.3132 4059.3264 4194
tvdss SS Energective CorrectedLOGS 3406.7496 4059.6232752 4285

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
3/09a-N31 173 3700.000 3320.949 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_3\3_09a-N31\WELL_PATH\WDD_QC\3-9a-n31_wdd_WDD_FILE_1954492_DATACO_MAPPED.csv
3/09a-N31Z 188 4070.000 3210.598 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_3\3_09a-N31Z\WELL_PATH\WDD_QC\3-9a-n31z_wdd_WDD_FILE_1954495_DATACO_MAPPED.csv

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