21/11- 5

Decommissioned

Well Header

Well No
21/11- 5
NSTA DEN No
5450
Well Name
--
Drill Seq No
5
Quadrant / Block
21 / 11
Surface Location
57.522221, 0.000958
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
SPIRIT ENERGY NORTH SEA OIL LIMITED
Original Operator
--
Sub Area Operator
SPIRIT ENERGY NORTH SEA OIL LIMITED
Licence No
P883
Licence Type
Production
Spud Date
1995-02-20
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/11- 5 Original
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
E
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
25.910
Ground Elev (m)
--
Water Depth (m)
121.62
TD MD (m)
2209.800
TD TVDSS (m)
2183.890
TD Datum Depth (m)
25.298
TD Datum Type
Rotary Table
Spud Date
1995-02-20
TD Reached
1995-03-22
Completion Date
1995-03-28
Release Date
1999-03-28

Formation Tops (28)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/11- 5 Horda Cenozoic 1011.000 985.090 Lloyds Register
Stronsay Cenozoic 1011.000 985.090 Lloyds Register
Upper Tay Sandstone 1086.000 1060.090 Lloyds Register
Balder Cenozoic 1180.000 1154.090 Lloyds Register
Balder Tuff Cenozoic 1180.000 1154.090 Lloyds Register
Moray Mesozoic 1180.000 1154.090 Lloyds Register
Dornoch Mesozoic 1189.000 1163.090 Lloyds Register
Upper Dornoch Sandstone Cenozoic 1189.000 1163.090 Lloyds Register
Sele Mesozoic 1247.000 1221.090 Lloyds Register
Montrose Mesozoic 1468.000 1442.090 Lloyds Register
Lista Mesozoic 1468.000 1442.090 Lloyds Register
Balmoral Sandstone Cenozoic 1542.000 1516.090 Lloyds Register
Maureen Mesozoic 1643.000 1617.090 Lloyds Register
Maureen Reworked Unit Mesozoic 1684.000 1658.090 Lloyds Register
Tor Mesozoic 1704.000 1678.090 Lloyds Register
Chalk Mesozoic 1704.000 1678.090 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1862.000 1836.090 Lloyds Register
Plenus Marl 2023.000 1997.090 Lloyds Register
Hidra Mesozoic 2031.000 2005.090 Lloyds Register
Rodby Mesozoic 2070.000 2044.090 Lloyds Register
Cromer Knoll Mesozoic 2070.000 2044.090 Lloyds Register
Sola 2092.000 2066.090 Lloyds Register
Valhall Mesozoic 2105.000 2079.090 Lloyds Register
Kimmeridge Clay 2137.000 2111.090 Lloyds Register
Humber Mesozoic 2137.000 2111.090 Lloyds Register
Fulmar Mesozoic 2150.000 2124.090 Lloyds Register
Heron Palaeozoic 2156.000 2130.090 Lloyds Register
Smith Bank Mesozoic 2156.000 2130.090 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
21/11- 5 7 15 6 19 28 2 2 1 1 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
21/11- 5 DST DST 1 -- 2149.5 2157.4 Label / Upper Jurassic

Rock Samples (20)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/11- 5 Cuttings 771.14 2209.8 -- -- --
21/11- 5 Core #1 2148.23 2153.17 φ 22.1% (n=12) · Kv 0.6 mD (n=2) · Sw 63.0% (n=4) · Density 3.07 (n=14) · GEOCHEM GROUP LIMITED FRAC; NPP --
21/11- 5 ↳ Plug 01 2148.291 -- φ 20.2% · Sw 55.0% · Density 3.06 · GEOCHEM GROUP LIMITED -- --
21/11- 5 ↳ Plug 02 2148.444 -- φ 21.9% · Density 3.10 · GEOCHEM GROUP LIMITED -- --
21/11- 5 ↳ Plug 03 2148.84 -- φ 20.9% · Sw 62.9% · Density 3.07 · GEOCHEM GROUP LIMITED FRAC --
21/11- 5 ↳ Plug 04 2149.114 -- φ 23.3% · Density 3.15 · GEOCHEM GROUP LIMITED FRAC --
21/11- 5 ↳ Plug 05 2149.358 -- φ 30.3% · Density 3.20 · GEOCHEM GROUP LIMITED FRAC --
21/11- 5 ↳ Plug 06 2149.754 -- GEOCHEM GROUP LIMITED NPP --
21/11- 5 ↳ Plug 07 2150.059 -- GEOCHEM GROUP LIMITED NPP --
21/11- 5 ↳ Plug 08 2150.303 -- φ 27.9% · Kv 0.6 mD · Density 3.13 · GEOCHEM GROUP LIMITED FRAC --
21/11- 5 ↳ Plug 09 2150.73 -- φ 16.1% · Sw 62.2% · Density 3.10 · GEOCHEM GROUP LIMITED FRAC --
21/11- 5 ↳ Plug 10 2150.974 -- φ 16.2% · Density 3.19 · GEOCHEM GROUP LIMITED -- --
21/11- 5 ↳ Plug 11 2151.339 -- φ 24.5% · Density 3.22 · GEOCHEM GROUP LIMITED FRAC --
21/11- 5 ↳ Plug 12 2151.583 -- φ 26.2% · Sw 72.0% · Density 3.28 · GEOCHEM GROUP LIMITED FRAC --
21/11- 5 ↳ Plug 13 2151.979 -- GEOCHEM GROUP LIMITED NPP --
21/11- 5 ↳ Plug 14 2152.162 -- φ 19.8% · Kv 0.6 mD · Density 3.14 · GEOCHEM GROUP LIMITED -- --
21/11- 5 ↳ Plug 15 2152.498 -- φ 17.5% · Density 2.87 · GEOCHEM GROUP LIMITED FRAC --
21/11- 5 ↳ Plug 16 2152.802 -- Density 2.74 · GEOCHEM GROUP LIMITED FRAC --
21/11- 5 ↳ Plug 17 2153.077 -- Density 2.76 · GEOCHEM GROUP LIMITED FRAC --
21/11- 5 Core #2 2153.72 2158.65 -- -- --

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
21/11- 5 0 -- -- --

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