Well Data Manager / Well Summary / 16/21a- 15

16/21a- 15

Decommissioned

Well Header

Well No
16/21a- 15
NSTA DEN No
2715
Well Name
--
Drill Seq No
15
Quadrant / Block
16 / 21 a
Surface Location
58.172960, 1.093281
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
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
1985-07-02
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

16/21a- 15 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
R
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
27.432
Ground Elev (m)
--
Water Depth (m)
144.17
TD MD (m)
3191.256
TD TVDSS (m)
3160.166
TD Datum Depth (m)
27.432
TD Datum Type
Kelly Bushing
Spud Date
1985-07-02
TD Reached
1985-08-08
Completion Date
1985-08-08
Release Date
1989-08-08

Formation Tops (26)

Wellbore Formation Era MD (m) TVDSS (m) Provider
16/21a- 15 Horda Cenozoic 1558.000 1530.568 Lloyds Register
Stronsay Cenozoic 1558.000 1530.568 Lloyds Register
Caran Sanstone 1826.000 1798.568 Lloyds Register
Mousa 1826.000 1798.568 Lloyds Register
Horda Cenozoic 1934.000 1906.568 Lloyds Register
Balder Cenozoic 2083.000 2055.568 Lloyds Register
Balder Tuff Cenozoic 2083.000 2055.568 Lloyds Register
Moray Mesozoic 2083.000 2055.568 Lloyds Register
Sele Mesozoic 2122.000 2094.568 Lloyds Register
Lista Mesozoic 2169.000 2141.568 Lloyds Register
Montrose Mesozoic 2169.000 2141.568 Lloyds Register
Balmoral Sandstone Cenozoic 2188.000 2160.568 Lloyds Register
Andrew Sandstone Cenozoic 2240.000 2212.568 Lloyds Register
Maureen Reworked Unit Mesozoic 2627.000 2599.568 Lloyds Register
Maureen Mesozoic 2627.000 2599.568 Lloyds Register
Ekofisk Mesozoic 2686.000 2658.568 Lloyds Register
Chalk Mesozoic 2686.000 2658.568 Lloyds Register
Tor Mesozoic 2729.000 2701.568 Lloyds Register
Mackerel Mesozoic 2922.000 2894.568 Lloyds Register
Cromer Knoll Mesozoic 3095.000 3067.568 Lloyds Register
Valhall Mesozoic 3095.000 3067.568 Lloyds Register
Humber Mesozoic 3113.000 3085.568 Lloyds Register
Kimmeridge Clay 3113.000 3085.568 Lloyds Register
Piper Mesozoic 3134.000 3106.568 Lloyds Register
Old Red Palaeozoic 3141.000 3113.568 Lloyds Register
Old Red Sandstone 3141.000 3113.568 Lloyds Register

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- 15 7 14 5 18 26 4 0 0 0 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
16/21a- 15 Oil shows OS Lista Formation 2169.2616000000003 -- 23 m thick

Rock Samples (0)

No cuttings, core, or plug samples recorded for this well.

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
16/21a- 15 171.60240173339844 3191.256103515625 9 0 2026-08-06 09:18:45.492769+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
16/21a- 15
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 2613.3552 3191.2560000000003 3793
caliper CALI OGA Batch Unzipped 2613.3552 3191.2560000000003 3793
comp_sonic DT OGA Batch Unzipped 171.60240000000002 3187.4460000000004 19790
deep_resistivity RES_DEP OGA Batch Unzipped 171.60240000000002 3191.2560000000003 19815
density_correction DENC OGA Batch Unzipped 2613.3552 3191.2560000000003 3793
gamma_ray GR OGA Batch Unzipped 171.60240000000002 3189.732 19805
med_resistivity RES_MED OGA Batch Unzipped 171.60240000000002 3191.2560000000003 19815
shallow_resistivity RES_SLW OGA Batch Unzipped 171.60240000000002 3191.2560000000003 19815
sp SP OGA Batch Unzipped 171.60240000000002 3191.2560000000003 19814

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
16/21a- 15 0 -- -- --

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