Well Data Manager / Well Summary / 16/21a-B5

16/21a-B5

Present

Well Header

Well No
16/21a-B5
NSTA DEN No
2627
Well Name
--
Drill Seq No
5
Quadrant / Block
16 / 21 a
Surface Location
58.228685, 1.107362
Source Datum
ED50
Subsea Well
Yes
Platform
B
Slot No
7
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
1985-03-14
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

16/21a-B5 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)
2467.970
TD TVDSS (m)
2284.781
TD Datum Depth (m)
25.298
TD Datum Type
Kelly Bushing
Spud Date
1985-03-14
TD Reached
1985-04-07
Completion Date
1986-05-17
Release Date
1990-05-17

Formation Tops (12)

Wellbore Formation Era MD (m) TVDSS (m) Provider
16/21a-B5 Hordaland Cenozoic 171.000 145.702 BGS LithoStrat Upper
Hordaland Cenozoic 317.000 291.697 BGS LithoStrat Upper
Hordaland Cenozoic 1247.000 1165.387 BGS LithoStrat Upper
Hordaland Cenozoic 1512.000 1396.850 BGS LithoStrat Upper
Hordaland Cenozoic 1631.000 1500.582 BGS LithoStrat Upper
Hordaland Cenozoic 1682.000 1545.244 BGS LithoStrat Upper
Hordaland Cenozoic 2134.000 1955.947 BGS LithoStrat Upper
Balder Cenozoic 2182.000 2002.670 BGS LithoStrat Upper
Sele Mesozoic 2215.000 2035.051 BGS LithoStrat Upper
Lista Mesozoic 2264.000 2083.451 BGS LithoStrat Upper
Andrew Cenozoic 2303.000 2122.126 BGS LithoStrat Upper
Andrew Cenozoic 2441.000 2259.117 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-B5 0 0 0 11 12 0 0 1 0 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
16/21a-B5 Oil O Andrew Sandstone unit 2303.3736 -- 137 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
16/21a-B5 Cuttings 323.09 2440.84 -- -- one of various sets

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
16/21a-B5 170.68800354003906 2446.781982421875 13 0 2026-08-06 09:20:07.296142+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
16/21a-B5
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 1205.1792 2444.3436 8127
caliper CALI OGA Batch Unzipped 1283.8176 2437.638 7572
comp_sonic DT OGA Batch Unzipped 170.68800000000002 2437.0284 14859
deep_resistivity RES_DEP OGA Batch Unzipped 170.68800000000002 2446.4772000000003 14934
density_correction DENC OGA Batch Unzipped 2124.7608 2444.3436 2098
gamma_ray GR OGA Batch Unzipped 170.68800000000002 2439.1620000000003 14873
med_resistivity RES_MED OGA Batch Unzipped 170.68800000000002 2442.21 14906
neutron_por NEU OGA Batch Unzipped 1947.9768000000001 2249.1192 1977
porosity PHIE OGA Batch Unzipped 2262.8352 2445.1056000000003 1197
shallow_resistivity RES_SLW OGA Batch Unzipped 170.68800000000002 2446.782 14936
sp SP OGA Batch Unzipped 170.68800000000002 2446.782 14936
vshale VCLAY OGA Batch Unzipped 2262.8352 2445.1056000000003 1197
water_sat SW OGA Batch Unzipped 2261.616 2445.1056000000003 1199

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
16/21a-B5 100 2440.838 2259.117 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_16\16_21a-B5\WELL_PATH\WDD_QC\16_21a-B5_wdd_WDD_FILE_251868138_DATACO_MAPPED.csv

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