Well Data Manager / Well Summary / 9/09a-A3

9/09a-A3

Present

Well Header

Well No
9/09a-A3
NSTA DEN No
4295
Well Name
--
Drill Seq No
3
Quadrant / Block
9 / 9 a
Surface Location
59.743254, 1.670542
Source Datum
ED50
Subsea Well
Unknown
Platform
A
Slot No
C3
Operator
SERICA ENERGY (UK) LIMITED
Original Operator
--
Sub Area Operator
SERICA ENERGY (UK) LIMITED
Licence No
P90
Licence Type
Production
Spud Date
1990-12-02
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

9/09a-A3 Original
Abandoned Phase 1 View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Gas and Condensate 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)
4017.500
TD TVDSS (m)
3780.630
TD Datum Depth (m)
24.300
TD Datum Type
Rotary Table
Spud Date
1990-12-02
TD Reached
1991-01-28
Completion Date
1991-07-07
Release Date
1995-07-07

Formation Tops (18)

Wellbore Formation Era MD (m) TVDSS (m) Provider
9/09a-A3 Unknown 147.000 -50.800 BGS LithoStrat Upper
Nordland Cenozoic 203.000 -20.800 BGS LithoStrat Upper
Frigg Formation 1761.000 1394.634 BGS LithoStrat Upper
Balder Cenozoic 1985.000 1594.096 BGS LithoStrat Upper
Sele Mesozoic 2047.000 1652.008 BGS LithoStrat Upper
Forties Formation Equivalent 2096.000 1698.240 BGS LithoStrat Upper
Lista Mesozoic 2387.000 1981.132 BGS LithoStrat Upper
Andrew Cenozoic 2565.000 2157.716 BGS LithoStrat Upper
Maureen Mesozoic 2779.000 2371.366 BGS LithoStrat Upper
Shetland Mesozoic 2948.000 2540.270 BGS LithoStrat Upper
Shetland Mesozoic 3217.000 2809.180 BGS LithoStrat Upper
Kimmeridge Clay 3444.000 3035.966 BGS LithoStrat Upper
Heather Mesozoic 3558.000 3149.801 BGS LithoStrat Upper
Upper Bruce Stn 3767.000 3358.482 BGS LithoStrat Upper
Bruce A Sand 3856.000 3447.135 BGS LithoStrat Upper
Bruce B Sand 3903.000 3493.908 BGS LithoStrat Upper
Bruce C Sand Palaeozoic 3934.000 3524.740 BGS LithoStrat Upper
Cormorant Mesozoic 3966.000 3556.547 BGS LithoStrat Upper

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-A3 0 0 0 18 18 0 10 0 0 View

Hydrocarbon Occurrence (4)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
9/09a-A3 Gas G TUBS 3766.684872 -- 90 m thick
9/09a-A3 Gas G BRAS 3856.1893920000007 -- 47 m thick
9/09a-A3 Gas G BRBS 3902.6896800000004 -- 32 m thick
9/09a-A3 Gas shows GS BRCS 3934.1907600000004 -- 32 m thick

Rock Samples (10)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
9/09a-A3 Core #4 1178.36 3866.0 -- -- --
9/09a-A3 Core #5 1179.58 1180.31 -- -- --
9/09a-A3 Core #6 1181.71 1185.11 -- -- --
9/09a-A3 Core #7 1185.67 1188.42 -- -- --
9/09a-A3 Core #8 1188.42 3927.0 -- -- --
9/09a-A3 Core #1 3781.0 3828.0 -- -- --
9/09a-A3 Core #2 3828.0 3845.0 -- -- --
9/09a-A3 Core #3 3846.0 3859.04 -- -- --
9/09a-A3 Core #9 3926.0 3953.33 -- -- --
9/09a-A3 Core #10 3951.0 3973.15 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/09a-A3 100.12680053710938 4000.042724609375 12 0 2026-08-08 02:44:03.57603+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/09a-A3
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density CDEN Energective CorrectedLOGS 3560.63150712 3999.9953731200003 2884
bulk_density RHOB OGA Batch Unzipped 3560.2164 4000.3476 2889
bulk_density DEN OGA Batch Unzipped 3560.1 4000.4 4404
caliper CLD Energective CorrectedLOGS 3560.63150712 3984.298356 2781
caliper CALI OGA Batch Unzipped 1700.022 3984.9552 14994
comp_sonic DTCO OGA Batch Unzipped 1700.022 3987.546 15011
comp_sonic DT OGA Batch Unzipped 1700.0 3987.6 22877
comp_sonic DTC Energective CorrectedLOGS 1716.1567404 3995.88063408 14960
deep_resistivity ILD Energective CorrectedLOGS 1716.1567404 3995.88063408 14960
deep_resistivity RDEEP OGA Batch Unzipped 1700.022 3997.2996 15075
deep_resistivity RES_DEP OGA Batch Unzipped 1700.0 3997.4 22975
density_correction DRHO OGA Batch Unzipped 3560.2164 4000.3476 2889
density_correction DENC OGA Batch Unzipped 3560.1 4000.4 4404
density_correction CDRH Energective CorrectedLOGS 3560.63150712 3999.9953731200003 2884
gamma_ray GRI Energective CorrectedLOGS 100.1268 3989.02272552 25519
gamma_ray GR OGA Batch Unzipped 100.1268 3989.07 25519
med_resistivity RES_MED OGA Batch Unzipped 1700.0 4000.4 22625
med_resistivity ILM Energective CorrectedLOGS 1716.1567404 3995.88063408 14711
neutron_por CNEU Energective CorrectedLOGS 3544.7821204800002 3994.81383408 2954
pef PEF OGA Batch Unzipped 3560.2164 4000.5 2890
pef CPEF Energective CorrectedLOGS 3560.63150712 3999.9953731200003 2884
porosity PHIT OGA Batch Unzipped 3766.566 3987.546 1445
tvdss SS Energective CorrectedLOGS 99.9744 4000.1477731200002 25593
tvdss TVDSS OGA Batch Unzipped 0.6096 3990.8988 26184
vshale VSH OGA Batch Unzipped 3766.566 3995.166 1501
water_resistivity RW OGA Batch Unzipped 0.0 4005.9864 26287
water_sat SWT OGA Batch Unzipped 3766.566 3987.546 1445

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/09a-A3 277 4017.500 3607.705 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_09a-A3\WELL_PATH\WDD_QC\9_09a-A3_wdd_WDD_FILE_1681796_DATACO_MAPPED.csv

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