Well Data Manager / Well Summary / 21/07a- 3

21/07a- 3

Decommissioned

Well Header

Well No
21/07a- 3
NSTA DEN No
4205
Well Name
--
Drill Seq No
3
Quadrant / Block
21 / 7 a
Surface Location
57.760602, 0.266527
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
KEWANEE OIL COMPANY (U.K)LIMITED
Original Operator
--
Sub Area Operator
KEWANEE OIL COMPANY (U.K)LIMITED
Licence No
P141
Licence Type
Production
Spud Date
1990-09-24
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/07a- 3 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
C
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
115.82
TD MD (m)
3314.090
TD TVDSS (m)
0.000
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1990-09-24
TD Reached
1990-11-05
Completion Date
1990-11-14
Release Date
1994-11-14

Formation Tops (30)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/07a- 3 Stronsay Cenozoic 1190.000 1165.006 Lloyds Register
Horda Cenozoic 1190.000 1165.006 Lloyds Register
Balder Tuff Cenozoic 1531.000 1506.006 Lloyds Register
Balder Cenozoic 1531.000 1506.006 Lloyds Register
Moray Mesozoic 1531.000 1506.006 Lloyds Register
Sele Mesozoic 1546.000 1521.006 Lloyds Register
Cromarty Sandstone Cenozoic 1551.000 1526.006 Lloyds Register
Forties Sandstone Mesozoic 1706.000 1681.006 Lloyds Register
Lista Mesozoic 1827.000 1802.006 Lloyds Register
Montrose Mesozoic 1827.000 1802.006 Lloyds Register
Balmoral Sandstone Cenozoic 1827.000 1802.006 Lloyds Register
Glamis Tuff 2021.000 1996.006 Lloyds Register
Andrew Sandstone Cenozoic 2035.000 2010.006 Lloyds Register
Maureen Sandstone Mesozoic 2185.000 2160.006 Lloyds Register
Maureen Mesozoic 2185.000 2160.006 Lloyds Register
Maureen Reworked Unit Mesozoic 2262.000 2237.006 Lloyds Register
Ekofisk Mesozoic 2329.000 2304.006 Lloyds Register
Chalk Mesozoic 2329.000 2304.006 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2374.000 2349.006 Lloyds Register
Valhall Mesozoic 2694.000 2669.006 Lloyds Register
Cromer Knoll Mesozoic 2694.000 2669.006 Lloyds Register
Kimmeridge Clay 3125.000 3100.006 Lloyds Register
Humber Mesozoic 3125.000 3100.006 Lloyds Register
Rattray Volcanics Mesozoic 3212.000 3187.006 Lloyds Register
Fladen Mesozoic 3212.000 3187.006 Lloyds Register
Pentland Mesozoic 3212.000 3187.006 Lloyds Register
Smith Bank Mesozoic 3215.000 3190.006 Lloyds Register
Heron Palaeozoic 3215.000 3190.006 Lloyds Register
Turbot Anhydrite Palaeozoic 3277.000 3252.006 Lloyds Register
Zechstein Palaeozoic 3277.000 3252.006 Lloyds Register

Lithology Intervals

21/07a- 3 Curve: SANDCOUNT 101 intervals  ·  MD 1551.432 – 3273.704 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (87)
Limestone (14)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/07a- 3 9 12 9 43 30 2 0 1 0 View

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
21/07a- 3 Cuttings 481.58 3337.56 -- -- too small to sample .

Wireline Log Inventory (Ingested Curves)

No wireline log curves ingested for this well.

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

No scanned LAS source files matched to this well.

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/07a- 3 0 -- -- --

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