9/13-A1

Present

Well Header

Well No
9/13-A1
NSTA DEN No
793
Well Name
--
Drill Seq No
1
Quadrant / Block
9 / 13
Surface Location
59.545073, 1.536136
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
A-11
Operator
APACHE BERYL I LIMITED
Original Operator
--
Sub Area Operator
APACHE BERYL I LIMITED
Licence No
P139
Licence Type
Production
Spud Date
1977-08-29
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

9/13-A1 Original
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
46.330
Ground Elev (m)
--
Water Depth (m)
118.87
TD MD (m)
4635.398
TD TVDSS (m)
3731.666
TD Datum Depth (m)
46.330
TD Datum Type
Kelly Bushing
Spud Date
1977-08-29
TD Reached
1978-02-23
Completion Date
1978-03-07
Release Date
1982-03-07

Formation Tops (10)

Wellbore Formation Era MD (m) TVDSS (m) Provider
9/13-A1 Unknown 164.000 117.670 BGS LithoStrat Upper
Unknown 1890.000 1600.583 BGS LithoStrat Upper
Palaeocene Group 1909.000 1614.738 BGS LithoStrat Upper
Unknown 3289.000 2569.038 BGS LithoStrat Upper
Cretaceous Group Mesozoic 3459.000 2684.188 BGS LithoStrat Upper
Lower Bruce Shale Palaeozoic 4167.000 3252.072 BGS LithoStrat Upper
Upper Beryl Sandstone 4218.000 3298.723 BGS LithoStrat Upper
Middle Beryl Sandstone 4353.000 3422.027 BGS LithoStrat Upper
Lower Beryl Shale 4563.000 3613.056 BGS LithoStrat Upper
Lower Beryl Sandstone 4621.000 3665.834 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
9/13-A1 0 0 0 10 10 0 2 1 0 View

Hydrocarbon Occurrence (3)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
9/13-A1 Oil shows OS * 3288.7920000000004 -- 170 m thick
9/13-A1 Oil O Hugin Formation 4218.432 -- 134 m thick
9/13-A1 Oil shows OS Pentland Formation 4352.544 -- 211 m thick

Rock Samples (3)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
9/13-A1 Cuttings 1786.13 4584.19 -- -- .
9/13-A1 Core #1 4224.53 4231.23 -- -- well re-boxed (originally curated June'97)
9/13-A1 Core #2 4285.49 4303.47 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/13-A1 1764.6396484375 4640.732421875 7 0 2026-08-06 15:21:58.299501+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/13-A1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 4040.7336 4643.1708 3954
bulk_density LDL Energective CorrectedLOGS 4040.7336 4640.1228 3934
caliper CLD Energective CorrectedLOGS 4040.7336 4404.360000000001 2387
caliper CALI OGA Batch Unzipped 4040.7336 4404.360000000001 2387
comp_sonic DT OGA Batch Unzipped 1761.7440000000001 4648.962 18946
comp_sonic DTC Energective CorrectedLOGS 1784.1468 4633.1124 18695
deep_resistivity ILD Energective CorrectedLOGS 1780.1844 4640.7324 18764
deep_resistivity CRSD Energective CorrectedLOGS 1780.1844 4640.7324 18764
density_correction DRH Energective CorrectedLOGS 4040.7336 4639.818 3932
density_correction DENC OGA Batch Unzipped 4040.7336 4643.1708 3954
gamma_ray GRI Energective CorrectedLOGS 1764.6396000000002 4632.6552 18820
gamma_ray GR OGA Batch Unzipped 1761.7440000000001 4643.1708 18908
neutron_por CNLC Energective CorrectedLOGS 4040.7336 4639.6656 3931
neutron_por NEU OGA Batch Unzipped 4040.7336 4643.1708 3954
tvdss SS Energective CorrectedLOGS 1764.4872 4640.8848 18875

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/13-A1 480 4635.398 3678.936 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_13-A1\WELL_PATH\WDD_QC\9_13a-A1_wdd_WDD_FILE_236357898_DATACO_MAPPED.csv

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