Well Data Manager / Well Summary / 28/05- 1

28/05- 1

Decommissioned

Well Header

Well No
28/05- 1
NSTA DEN No
1016
Well Name
--
Drill Seq No
1
Quadrant / Block
28 / 5
Surface Location
56.920548, 0.804568
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
CHEVRON (U.K.)OFFSHORE INVESTMENTS LIMITED
Original Operator
--
Sub Area Operator
CHEVRON (U.K.)OFFSHORE INVESTMENTS LIMITED
Licence No
P213
Licence Type
Production
Spud Date
1977-05-30
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

28/05- 1 Original parent: 28/05- 1J
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.079
Ground Elev (m)
--
Water Depth (m)
94.79
TD MD (m)
2987.040
TD TVDSS (m)
0.000
TD Datum Depth (m)
24.079
TD Datum Type
Kelly Bushing
Spud Date
1977-05-30
TD Reached
1977-06-24
Completion Date
1977-06-29
Release Date
1981-06-29
28/05- 1J Sidetrack J
Abandoned Phase 3 Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
--
Dev Type
--
Convention
--
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
24.079
Ground Elev (m)
--
Water Depth (m)
94.79
TD MD (m)
441.960
TD TVDSS (m)
--
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1977-05-24
TD Reached
1977-05-29
Completion Date
1977-05-30
Release Date
1981-05-30

Formation Tops (25)

Wellbore Formation Era MD (m) TVDSS (m) Provider
28/05- 1 Stronsay Cenozoic 1252.000 1227.636 Lloyds Register
Horda Cenozoic 1252.000 1227.636 Lloyds Register
Moray Mesozoic 1646.000 1621.391 Lloyds Register
Balder Tuff Cenozoic 1646.000 1621.391 Lloyds Register
Balder Cenozoic 1646.000 1621.391 Lloyds Register
Sele Mesozoic 1689.000 1664.360 Lloyds Register
Forties Sandstone Mesozoic 1737.000 1712.332 Lloyds Register
Montrose Mesozoic 1751.000 1726.324 Lloyds Register
Lista Mesozoic 1751.000 1726.324 Lloyds Register
Maureen II Mudstone 1784.000 1759.304 Lloyds Register
Maureen Mesozoic 1784.000 1759.304 Lloyds Register
Maureen Marl 1807.000 1782.291 Lloyds Register
Chalk Mesozoic 1834.000 1809.275 Lloyds Register
Ekofisk Mesozoic 1834.000 1809.275 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1931.000 1906.228 Lloyds Register
Kimmeridge Clay 1958.000 1933.214 Lloyds Register
Humber Mesozoic 1958.000 1933.214 Lloyds Register
Fulmar Mesozoic 2053.000 2028.162 Lloyds Register
Zechstein Palaeozoic 2085.000 2060.146 Lloyds Register
Shearwater Salt 2085.000 2060.146 Lloyds Register
Kupferschiefer Palaeozoic 2811.000 2782.794 Lloyds Register
Rotliegend 2812.000 2783.785 Lloyds Register
Auk 2812.000 2783.785 Lloyds Register
Old Red Sandstone 2960.000 2930.619 Lloyds Register
Old Red Palaeozoic 2960.000 2930.619 Lloyds Register

Lithology Intervals

28/05- 1 Curve: SANDCOUNT 23 intervals  ·  MD 405.994 – 2968.295 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (22)
Limestone (1)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
28/05- 1 8 13 4 24 25 6 0 1 0 View
28/05- 1J 0 0 0 0 0 0 0 0 0

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
28/05- 1 Cuttings 277.37 2987.04 -- -- box 4 missing 4270 to 5330 .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
28/05- 1 121.00559997558594 2984.906494140625 6 0 2026-08-06 12:28:20.393694+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
28/05- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
caliper CALI CGG Digital Well Logs 1278.636 2073.402 5216
comp_sonic DT CGG Digital Well Logs 1278.7884000000001 2976.0672 11106
deep_resistivity ILD CGG Digital Well Logs 1279.7028 2984.7540000000004 11189
gamma_ray GR CGG Digital Well Logs 121.0056 2978.6580000000004 18752
shallow_resistivity SFLU CGG Digital Well Logs 1278.9408 2984.9064000000003 11195
sp SP CGG Digital Well Logs 1278.7884000000001 2984.9064000000003 11196

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
28/05- 1 103 2987.040 2957.477 D:\BigSpatial\nsta_raw\CGG_Deviation\28-5-1 1142q_CGG-Deviation.xlsx
28/05- 1J 0 -- -- --

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