Well Data Manager / Well Summary / 16/07a-A1

16/07a-A1

Present

Well Header

Well No
16/07a-A1
NSTA DEN No
2102
Well Name
--
Drill Seq No
1
Quadrant / Block
16 / 7 a
Surface Location
58.692150, 1.279793
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
N
Operator
TAQA BRATANI LIMITED
Original Operator
--
Sub Area Operator
TAQA BRATANI LIMITED
Licence No
P108
Licence Type
Production
Spud Date
1983-03-20
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

16/07a-A1 Original
Completed (Operating) View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
AA
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
65.227
Ground Elev (m)
--
Water Depth (m)
112.17
TD MD (m)
4267.200
TD TVDSS (m)
4189.781
TD Datum Depth (m)
65.227
TD Datum Type
Kelly Bushing
Spud Date
1983-03-20
TD Reached
1983-05-30
Completion Date
1983-07-11
Release Date
1987-07-11

Formation Tops (13)

Wellbore Formation Era MD (m) TVDSS (m) Provider
16/07a-A1 Nordland Cenozoic 177.000 111.773 BGS LithoStrat Upper
Nordland Cenozoic 497.000 431.746 BGS LithoStrat Upper
Frigg Formation 2064.000 1998.723 BGS LithoStrat Upper
Balder Cenozoic 2133.000 2067.721 BGS LithoStrat Upper
Heimdal 2165.000 2099.713 BGS LithoStrat Upper
Maureen Mesozoic 2617.000 2551.571 BGS LithoStrat Upper
Ekofisk Mesozoic 2772.000 2706.499 BGS LithoStrat Upper
Shetland Marl 2861.000 2795.460 BGS LithoStrat Upper
Shetland Clay 3214.000 3148.315 BGS LithoStrat Upper
Basal Limestone Member Palaeozoic 3526.000 3460.153 BGS LithoStrat Upper
Valhall Mesozoic 3636.000 3570.047 BGS LithoStrat Upper
Kimmeridge Clay 3687.000 3620.982 BGS LithoStrat Upper
Brae Formation Mesozoic 3729.000 3662.913 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
16/07a-A1 0 0 0 13 13 0 20 1 0 View

Hydrocarbon Occurrence (4)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
16/07a-A1 Gas shows GS Nordland Group 496.824 -- 1568 m thick
16/07a-A1 Gas shows GS VALH 3636.264 -- 50 m thick
16/07a-A1 Mixed shows OGS Kimmeridge Clay Formation 3686.556 -- 42 m thick
16/07a-A1 Oil O Brae Formation 3728.6184000000003 -- 539 m thick

Rock Samples (21)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
16/07a-A1 Cuttings 496.82 6041.14 -- -- .
16/07a-A1 Core #1 3731.36 3758.85 -- -- preserved samples .
16/07a-A1 Core #2 3764.65 3785.43 -- -- 12332 - 12351.2 ft missing .
16/07a-A1 Core #3 3786.23 3813.66 -- -- see 44796 .
16/07a-A1 Core #4 3813.66 3830.12 -- -- .
16/07a-A1 Core #5 3830.12 3848.71 -- -- .
16/07a-A1 Core #6 3848.71 3876.14 -- -- .
16/07a-A1 Core #7 3876.14 3891.75 -- -- .
16/07a-A1 Core #8 3891.75 3894.12 -- -- .
16/07a-A1 Core #9 3894.43 3921.25 -- -- .
16/07a-A1 Core #10 3921.25 3948.68 -- -- .
16/07a-A1 Core #11 3948.99 3976.42 -- -- .
16/07a-A1 Core #12 3976.42 3991.97 -- -- .
16/07a-A1 Core #13 3991.97 4013.61 -- -- .
16/07a-A1 Core #14 4013.61 4039.82 -- -- .
16/07a-A1 Core #15 4039.21 4066.64 -- -- .
16/07a-A1 Core #16 4066.64 4094.07 -- -- .
16/07a-A1 Core #17 4094.07 4109.31 -- -- .
16/07a-A1 Core #18 4109.31 4136.75 -- -- .
16/07a-A1 Core #19 4136.75 4164.18 -- -- .
16/07a-A1 Core #20 4164.18 4191.61 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
16/07a-A1 1507.677001953125 4267.2001953125 7 0 2026-08-08 00:45:46.826034+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
16/07a-A1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
caliper CALI OGA Batch Unzipped 3673.7544000000003 4265.5236 3884
comp_sonic DT OGA Batch Unzipped 3704.0820000000003 4259.7324 3647
deep_resistivity RES_DEP OGA Batch Unzipped 3704.0820000000003 4266.5904 3692
density_correction DENC OGA Batch Unzipped 3673.7544000000003 4267.2 3895
gamma_ray GRI Energective CorrectedLOGS 1507.6801545600001 3784.7801469600004 6278
gamma_ray GR OGA Batch Unzipped 1507.5408 4267.2 3771
med_resistivity RES_MED OGA Batch Unzipped 3704.0820000000003 4266.5904 3692
neutron_por NEU OGA Batch Unzipped 3673.7544000000003 4265.3712000000005 3883
tvdss SS Energective CorrectedLOGS 1507.5408 3785.0124045600005 98059

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
16/07a-A1 327 4267.200 4198.905 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_16\16_07a-A1\WELL_PATH\WDD_QC\16_07a-A1_wdd_WDD_FILE_252126482_DATACO_MAPPED.csv

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