Well Data Manager / Well Summary / 15/16- 4

15/16- 4

Decommissioned

Well Header

Well No
15/16- 4
NSTA DEN No
--
Well Name
--
Drill Seq No
4
Quadrant / Block
15 / 16
Surface Location
58.348447, 0.154062
Source Datum
ED50
Subsea Well
Yes
Platform
--
Slot No
--
Operator
NEO NEXT + ENERGY RESOURCES UK LIMITED
Original Operator
TEXACO PRODUCTION SERVICES
Sub Area Operator
NEO NEXT + ENERGY RESOURCES UK LIMITED
Licence No
P324
Licence Type
Production
Spud Date
1975-06-23
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

15/16- 4 Original
Abandoned Phase 3 Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
--
Dev Type
--
Convention
--
Primary Target
--
Well Seq
--
Datum Type
--
Datum Elev (m)
--
Ground Elev (m)
--
Water Depth (m)
--
TD MD (m)
--
TD TVDSS (m)
--
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1975-06-23
TD Reached
1975-06-29
Completion Date
1975-06-30
Release Date
1979-06-30
15/16- 4A Sidetrack A
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
141.73
TD MD (m)
3227.527
TD TVDSS (m)
3202.533
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1975-06-30
TD Reached
1975-08-04
Completion Date
1975-08-10
Release Date
1979-08-10

Formation Tops (28)

Wellbore Formation Era MD (m) TVDSS (m) Provider
15/16- 4A Horda Cenozoic 605.000 580.006 Lloyds Register
Stronsay Cenozoic 605.000 580.006 Lloyds Register
Grid Sandstone Cenozoic 613.000 588.006 Lloyds Register
Middle Mousa 880.000 855.006 Lloyds Register
Horda Cenozoic 1012.000 987.006 Lloyds Register
Balder Cenozoic 1101.000 1076.006 Lloyds Register
Moray Mesozoic 1101.000 1076.006 Lloyds Register
Beauly Cenozoic 1156.000 1131.006 Lloyds Register
Dornoch Mesozoic 1181.000 1156.006 Lloyds Register
Upper Dornoch Sandstone Cenozoic 1181.000 1156.006 Lloyds Register
Sele Mesozoic 1384.000 1359.006 Lloyds Register
Lower Dornoch Sandstone Cenozoic 1437.000 1412.006 Lloyds Register
Montrose Mesozoic 1565.000 1540.006 Lloyds Register
Lista Mesozoic 1565.000 1540.006 Lloyds Register
Balmoral Sandstone Cenozoic 1637.000 1612.006 Lloyds Register
Andrew Sandstone Cenozoic 1803.000 1778.006 Lloyds Register
Maureen Mesozoic 2078.000 2051.562 Lloyds Register
Maureen Sandstone Mesozoic 2078.000 2051.562 Lloyds Register
Ekofisk Mesozoic 2278.000 2249.734 Lloyds Register
Chalk Mesozoic 2278.000 2249.734 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2304.000 2275.595 Lloyds Register
Rodby Mesozoic 2847.000 2813.107 Lloyds Register
Cromer Knoll Mesozoic 2847.000 2813.107 Lloyds Register
Sola 2865.000 2830.792 Lloyds Register
Valhall Mesozoic 2954.000 2917.994 Lloyds Register
Pentland Mesozoic 3164.000 3121.947 Lloyds Register
Fladen Mesozoic 3164.000 3121.947 Lloyds Register
Rattray Volcanics Mesozoic 3164.000 3121.947 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
15/16- 4 0 0 0 0 0 0 0 0 0
15/16- 4A 6 15 7 18 28 1 0 1 0 View

Hydrocarbon Occurrence (5)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
15/16- 4A Gas shows GS * 227.68560000000002 -- 220 m thick
15/16- 4A Gas shows GS * 447.44640000000004 -- 165 m thick
15/16- 4A Gas shows GS GLAS 612.648 -- 267 m thick
15/16- 4A Mixed shows OGS * 2974.848 -- 113 m thick
15/16- 4A Gas shows GS * 3163.824 -- 15 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
15/16- 4A Cuttings 231.65 3221.74 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
15/16- 4A 365.91241455078125 3220.516845703125 10 0 2026-08-06 08:05:31.883144+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
15/16- 4A
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 2806.2936 3206.6484 2628
bulk_density DEN OGA Batch Unzipped 2804.1600000000003 3206.496 2641
caliper CALI OGA Batch Unzipped 2804.1600000000003 3206.496 2641
caliper MCAL CGG Digital Well Logs 2803.5504 3206.3436 2644
comp_sonic DT CGG Digital Well Logs 1832.3052 3197.1996000000004 8957
deep_resistivity RES_DEP OGA Batch Unzipped 1832.3052 3203.7528 9000
deep_resistivity ILD CGG Digital Well Logs 1832.7624 3203.7528 8997
density_correction DENC OGA Batch Unzipped 2804.1600000000003 3206.496 2641
density_correction DRHO CGG Digital Well Logs 2806.2936 3206.496 2627
gamma_ray GRD CGG Digital Well Logs 2803.5504 3196.1328000000003 2577
gamma_ray GR CGG Digital Well Logs 365.9124 3220.5168000000003 18631
micro_resistivity MINV CGG Digital Well Logs 2803.2456 3206.1912 2645
micro_resistivity MLL CGG Digital Well Logs 2803.398 3206.3436 2645
micro_resistivity MNOR CGG Digital Well Logs 2803.2456 3206.1912 2645
neutron_por NPHI CGG Digital Well Logs 2809.1892000000003 3206.3436 2607
neutron_por NEU OGA Batch Unzipped 2804.1600000000003 3206.496 2641
shallow_resistivity RES_SLW OGA Batch Unzipped 1832.1528 3203.7528 9001
shallow_resistivity SFL CGG Digital Well Logs 1832.4576000000002 3204.0576 9001
sp SP CGG Digital Well Logs 1832.4576000000002 3168.8532 8770

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
15/16- 4 0 -- -- --
15/16- 4A 31 3227.530 3184.634 D:\BigSpatial\nsta_raw\CGG_Deviation\15-16-4A 889as_CGG-Deviation.xlsx

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