16/21a-B11

Present

Well Header

Well No
16/21a-B11
NSTA DEN No
4512
Well Name
--
Drill Seq No
11
Quadrant / Block
16 / 21 a
Surface Location
58.228685, 1.107362
Source Datum
ED50
Subsea Well
Yes
Platform
B
Slot No
2
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
1991-04-30
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

16/21a-B11 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)
26.518
Ground Elev (m)
--
Water Depth (m)
145.39
TD MD (m)
2260.090
TD TVDSS (m)
2233.572
TD Datum Depth (m)
26.518
TD Datum Type
Kelly Bushing
Spud Date
1991-04-30
TD Reached
1991-06-10
Completion Date
1991-06-16
Release Date
1995-06-16

Formation Tops (0)

No formation tops ingested for this well.

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-B11 0 0 0 0 0 0 1 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
16/21a-B11 Cuttings 615.7 2258.57 -- -- wet samples .
16/21a-B11 Core #1 2164.38 2180.48 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
16/21a-B11 171.90719604492188 2248.357177734375 10 0 2026-08-06 09:19:52.093043+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
16/21a-B11
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 1196.9496000000001 2247.5952 6889
caliper CALI OGA Batch Unzipped 316.3824 2247.7476 12649
comp_sonic DT OGA Batch Unzipped 1196.9496000000001 2239.8228 6838
deep_resistivity RES_DEP OGA Batch Unzipped 1201.5216 2245.1568 6849
density_correction DENC OGA Batch Unzipped 2026.92 2247.5952 1449
gamma_ray GR OGA Batch Unzipped 171.90720000000002 2239.2132 13561
micro_resistivity RES_MIC OGA Batch Unzipped 1201.5216 2248.3572 6870
neutron_por NEU OGA Batch Unzipped 2000.7072 2247.5952 1616
shallow_resistivity RES_SLW OGA Batch Unzipped 1201.5216 2248.3572 6870
sp SP OGA Batch Unzipped 1201.5216 2248.3572 6870

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
16/21a-B11 75 2260.092 2233.499 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_16\16_21a-B11\WELL_PATH\WDD_QC\16_21a-B11_wdd_WDD_FILE_251912276_DATACO_MAPPED.csv

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