9/09a-A12

Present

Well Header

Well No
9/09a-A12
NSTA DEN No
5097
Well Name
--
Drill Seq No
12
Quadrant / Block
9 / 9 a
Surface Location
59.743254, 1.670407
Source Datum
ED50
Subsea Well
Unknown
Platform
A
Slot No
B2
Operator
SERICA ENERGY (UK) LIMITED
Original Operator
--
Sub Area Operator
SERICA ENERGY (UK) LIMITED
Licence No
P90
Licence Type
Production
Spud Date
1993-10-01
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

9/09a-A12 Original
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)
50.800
Ground Elev (m)
--
Water Depth (m)
122.00
TD MD (m)
4165.000
TD TVDSS (m)
3833.660
TD Datum Depth (m)
24.001
TD Datum Type
Kelly Bushing
Spud Date
1993-10-01
TD Reached
1993-12-04
Completion Date
1993-12-29
Release Date
1997-12-29
9/09a-A12Z Sidetrack Z parent: 9/09a-A12
Current Intent
Development
Original Intent
Development
Flow Class
Gas and Condensate Well
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB2
Datum Type
Rotary Table
Datum Elev (m)
50.800
Ground Elev (m)
--
Water Depth (m)
122.00
TD MD (m)
4151.960
TD TVDSS (m)
3823.770
TD Datum Depth (m)
24.000
TD Datum Type
Kelly Bushing
Spud Date
1993-12-29
TD Reached
1994-01-13
Completion Date
1994-01-28
Release Date
1998-01-28

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
9/09a-A12 0 0 0 0 0 0 7 1 0 View
9/09a-A12Z 0 0 0 0 0 0 0 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (9)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
9/09a-A12 Cuttings 1720.0 4165.0 -- -- --
9/09a-A12 Core #1 3993.0 3998.8 -- -- --
9/09a-A12 Core #2 4013.5 4018.75 -- -- --
9/09a-A12 Core #3 4019.0 4028.92 -- -- --
9/09a-A12 Core #4 4029.0 4040.37 -- -- --
9/09a-A12 Core #5 4041.0 4061.7 -- -- --
9/09a-A12 Core #6 4061.7 4088.0 -- -- --
9/09a-A12 Core #7 4088.0 4098.0 -- -- --
9/09a-A12Z Cuttings 3215.0 4155.0 -- -- poor returns / in as 9/ 9-A12z

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/09a-A12 147.8280029296875 4150.6142578125 12 0 2026-08-08 02:13:29.814442+00 View Log
9/09a-A12Z 2300.020751953125 4148.6328125 12 0 2026-08-08 02:14:23.239887+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/09a-A12
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density CDEN Energective CorrectedLOGS 1694.51679384 4149.80332344 16112
bulk_density DEN OGA Batch Unzipped 1694.5 4149.89975 24555
caliper CALI OGA Batch Unzipped 1694.5 4149.89975 24555
caliper CLD Energective CorrectedLOGS 1694.51679384 4149.80332344 16109
comp_sonic DTC Energective CorrectedLOGS 1694.66919384 4149.80332344 16110
comp_sonic DT OGA Batch Unzipped 1694.7 4149.89975 24551
deep_resistivity ILD Energective CorrectedLOGS 1694.51679384 4149.80332344 16112
deep_resistivity RES_DEP OGA Batch Unzipped 1694.5 4149.89975 24555
density_correction CDRH Energective CorrectedLOGS 1693.60239384 4149.49855392 16116
density_correction DENC OGA Batch Unzipped 1693.59998 4176.09975 24826
gamma_ray GRI Energective CorrectedLOGS 147.828 4149.65095392 26260
gamma_ray GR OGA Batch Unzipped 1694.5 4149.89975 24555
med_resistivity ILM Energective CorrectedLOGS 1694.51679384 4149.80332344 16112
med_resistivity RES_MED OGA Batch Unzipped 1694.5 4149.89975 24555
neutron_por CNEU Energective CorrectedLOGS 1694.51679384 4149.80332344 16106
pef CPEF Energective CorrectedLOGS 1693.60239384 4150.565323440001 16123
pef PEF OGA Batch Unzipped 1693.59998 4176.09975 24826
porosity PHIT OGA Batch Unzipped 3899.6112 4134.3072 1541
tvdss SS Energective CorrectedLOGS 147.828 4150.717723440001 26267
tvdss TVDSS OGA Batch Unzipped 0.6096 4164.9396 27326
vshale VSH OGA Batch Unzipped 3899.6112 4134.3072 1541
water_resistivity RW OGA Batch Unzipped 0.0 4177.1316 27410
water_sat SWT OGA Batch Unzipped 3899.6112 4134.3072 1540
9/09a-A12Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB OGA Batch Unzipped 2302.3068 4137.3552 12042
bulk_density CDEN Energective CorrectedLOGS 2309.31707808 4137.63765816 11998
bulk_density DEN OGA Batch Unzipped 2302.3 4137.49982 18353
caliper CALI OGA Batch Unzipped 2299.1064 4133.088 12035
caliper CLD Energective CorrectedLOGS 2309.31707808 4133.67528864 11972
comp_sonic DT OGA Batch Unzipped 3812.49985 4137.79982 3254
comp_sonic DTC Energective CorrectedLOGS 3813.79159008 4143.2763972 2163
comp_sonic DTCO OGA Batch Unzipped 3812.5908 4137.66 2134
deep_resistivity RES_DEP OGA Batch Unzipped 2299.1001 4161.39981 18624
deep_resistivity ILD Energective CorrectedLOGS 2309.31707808 4148.61030576 12070
deep_resistivity RDEEP OGA Batch Unzipped 2300.0208 4151.9856 12153
density_correction CDRH Energective CorrectedLOGS 2309.31707808 4137.942458160001 12000
density_correction DRHO OGA Batch Unzipped 2299.1064 4151.9856 12159
density_correction DENC OGA Batch Unzipped 2299.1001 4161.39981 18624
gamma_ray GRI Energective CorrectedLOGS 2300.0208000000002 4142.2095972 12089
gamma_ray GR OGA Batch Unzipped 2299.1064 4151.9856 12159
med_resistivity RES_MED OGA Batch Unzipped 2299.1001 4161.39981 18624
med_resistivity ILM Energective CorrectedLOGS 2309.31707808 4148.61030576 12070
neutron_por CNEU Energective CorrectedLOGS 2300.0208000000002 4137.63765816 12055
pef PEF OGA Batch Unzipped 2299.1064 4137.66 12065
pef CPEF Energective CorrectedLOGS 2309.31707808 4135.19928864 11982
porosity PHIT OGA Batch Unzipped 3916.8324 4130.6496 1404
tvdss TVDSS OGA Batch Unzipped 0.6096 4151.9856 27241
tvdss SS Energective CorrectedLOGS 2299.716 4148.61030576 12133
vshale VSH OGA Batch Unzipped 3916.8324 4130.6496 1404
water_resistivity RW OGA Batch Unzipped 0.0 4151.9856 27245
water_sat SWT OGA Batch Unzipped 3916.8324 4130.6496 1404

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/09a-A12 200 4164.900 3662.048 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_09a-A12\WELL_PATH\WDD_QC\9_09a-A12_wdd_WDD_FILE_1681779_DATACO_MAPPED.csv
9/09a-A12Z 200 4151.900 3654.160 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_09a-A12Z\WELL_PATH\WDD_QC\9_09a-A12Z_wdd_WDD_FILE_1681780_DATACO_MAPPED.csv

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