Well Data Manager / Well Summary / 16/21a-B8

16/21a-B8

Present

Well Header

Well No
16/21a-B8
NSTA DEN No
2827
Well Name
--
Drill Seq No
8
Quadrant / Block
16 / 21 a
Surface Location
58.228685, 1.107362
Source Datum
ED50
Subsea Well
Yes
Platform
B
Slot No
11
Operator
PREMIER OIL E&P UK LIMITED
Original Operator
--
Sub Area Operator
PREMIER OIL E&P UK LIMITED
Licence No
P201
Licence Type
Production
Spud Date
1985-11-08
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

16/21a-B8 Original
Plugged View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
OG
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.298
Ground Elev (m)
--
Water Depth (m)
145.39
TD MD (m)
2446.320
TD TVDSS (m)
2271.370
TD Datum Depth (m)
25.298
TD Datum Type
Kelly Bushing
Spud Date
1985-11-08
TD Reached
1985-11-27
Completion Date
1986-12-12
Release Date
1990-12-12

Formation Tops (10)

Wellbore Formation Era MD (m) TVDSS (m) Provider
16/21a-B8 Hordaland Cenozoic 171.000 145.702 BGS LithoStrat Upper
Hordaland Cenozoic 235.000 209.702 BGS LithoStrat Upper
Hordaland Cenozoic 1481.000 1385.128 BGS LithoStrat Upper
Hordaland Cenozoic 1655.000 1543.506 BGS LithoStrat Upper
Hordaland Cenozoic 1783.000 1659.606 BGS LithoStrat Upper
Hordaland Cenozoic 2091.000 1940.192 BGS LithoStrat Upper
Balder Cenozoic 2170.000 2012.379 BGS LithoStrat Upper
Sele Mesozoic 2211.000 2049.968 BGS LithoStrat Upper
Lista Mesozoic 2263.000 2098.077 BGS LithoStrat Upper
Andrew Cenozoic 2301.000 2133.438 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
16/21a-B8 0 0 0 10 10 0 1 1 0 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
16/21a-B8 Oil O Lista Formation 2263.4448 -- 37 m thick
16/21a-B8 Oil O Andrew Sandstone unit 2300.9352 -- 95 m thick

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
16/21a-B8 Cuttings 237.74 2395.73 -- -- curated July`03 to fill gap / one of several sets from Robertsons
16/21a-B8 Core #1 2292.1 2318.92 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
16/21a-B8 170.68800354003906 2403.80517578125 9 0 2026-08-06 09:20:14.924473+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
16/21a-B8
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 2069.2872 2401.6716 2182
caliper CALI OGA Batch Unzipped 2069.2872 2401.6716 2182
comp_sonic DT OGA Batch Unzipped 170.68800000000002 2393.7468 14588
deep_resistivity RES_DEP OGA Batch Unzipped 170.68800000000002 2403.0432 14649
density_correction DENC OGA Batch Unzipped 2069.2872 2401.6716 2182
gamma_ray GR OGA Batch Unzipped 170.68800000000002 2396.1852 14604
med_resistivity RES_MED OGA Batch Unzipped 170.68800000000002 2403.8052000000002 14654
shallow_resistivity RES_SLW OGA Batch Unzipped 170.68800000000002 2403.8052000000002 14654
sp SP OGA Batch Unzipped 170.68800000000002 2403.8052000000002 14654

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
16/21a-B8 90 2395.728 2220.719 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_16\16_21a-B8\WELL_PATH\WDD_QC\16_21a-B8_wdd_WDD_FILE_251912028_DATACO_MAPPED.csv

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