21/09- 1

Decommissioned

Well Header

Well No
21/09- 1
NSTA DEN No
377
Well Name
--
Drill Seq No
1
Quadrant / Block
21 / 9
Surface Location
57.705134, 0.767231
Source Datum
ED50
Subsea Well
Yes
Platform
--
Slot No
--
Operator
APACHE NORTH SEA LIMITED
Original Operator
--
Sub Area Operator
APACHE NORTH SEA LIMITED
Licence No
P57
Licence Type
Production
Spud Date
1971-10-24
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/09- 1 Original
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
33.800
Ground Elev (m)
--
Water Depth (m)
121.20
TD MD (m)
3413.000
TD TVDSS (m)
3379.200
TD Datum Depth (m)
33.833
TD Datum Type
Kelly Bushing
Spud Date
1971-10-24
TD Reached
1972-05-20
Completion Date
1972-05-29
Release Date
1976-05-29

Formation Tops (20)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/09- 1 Horda Cenozoic 1868.000 1834.200 Lloyds Register
Stronsay Cenozoic 1868.000 1834.200 Lloyds Register
Balder Cenozoic 2107.000 2073.200 Lloyds Register
Moray Mesozoic 2107.000 2073.200 Lloyds Register
Balder Tuff Cenozoic 2113.000 2079.200 Lloyds Register
Sele Mesozoic 2135.000 2101.200 Lloyds Register
Montrose Mesozoic 2174.000 2140.200 Lloyds Register
Lista Mesozoic 2174.000 2140.200 Lloyds Register
Balmoral Sandstone Cenozoic 2215.000 2181.200 Lloyds Register
Glamis Tuff 2391.000 2357.200 Lloyds Register
Andrew Sandstone Cenozoic 2445.000 2411.200 Lloyds Register
Maureen Mesozoic 2553.000 2519.200 Lloyds Register
Ekofisk Mesozoic 2622.000 2588.200 Lloyds Register
Chalk Mesozoic 2622.000 2588.200 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2674.000 2640.200 Lloyds Register
Cromer Knoll Mesozoic 3142.000 3108.200 Lloyds Register
Rodby Mesozoic 3142.000 3108.200 Lloyds Register
Fladen Mesozoic 3155.000 3121.200 Lloyds Register
Rattray Volcanics Mesozoic 3155.000 3121.200 Lloyds Register
Pentland Mesozoic 3155.000 3121.200 Lloyds Register

Lithology Intervals

21/09- 1 Curve: SANDCOUNT 72 intervals  ·  MD 496.672 – 3141.726 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (44)
Limestone (28)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/09- 1 6 9 5 14 20 11 6 1 0 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
21/09- 1 Gas shows GS * 2102.6018400000003 -- 465 m thick

Rock Samples (52)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/09- 1 Cuttings 231.65 3391.97 -- -- .
21/09- 1 Core #1 2212.97 2217.18 -- -- .
21/09- 1 Core #2 2218.06 2224.58 -- -- .
21/09- 1 Core #3 2224.77 2237.17 φ 28.1% (n=45) · Kh 679.4 mD (n=44) · Kv 987.9 mD (n=45) · Density 2.67 (n=45) · CORE LABS -- .
21/09- 1 ↳ Plug 1 2224.84 -- φ 34.6% · Kh 395.0 mD · Kv 1063.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 2 2225.15 -- φ 35.7% · Kh 612.0 mD · Kv 1209.0 mD · Density 2.67 · CORE LABS -- --
21/09- 1 ↳ Plug 3 2225.37 -- φ 36.0% · Kh 591.0 mD · Kv 1892.0 mD · Density 2.67 · CORE LABS -- --
21/09- 1 ↳ Plug 4 2225.61 -- φ 36.2% · Kh 1242.0 mD · Kv 2932.0 mD · Density 2.67 · CORE LABS -- --
21/09- 1 ↳ Plug 5 2225.78 -- φ 33.4% · Kh 633.0 mD · Kv 821.0 mD · Density 2.66 · CORE LABS -- --
21/09- 1 ↳ Plug 6 2225.96 -- φ 32.1% · Kh 969.0 mD · Kv 694.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 7 2226.21 -- φ 25.5% · Kh 175.0 mD · Kv 195.0 mD · Density 2.80 · CORE LABS -- --
21/09- 1 ↳ Plug 8 2226.36 -- φ 25.2% · Kh 166.0 mD · Kv 168.0 mD · Density 2.80 · CORE LABS -- --
21/09- 1 ↳ Plug 9 2227.01 -- φ 32.3% · Kh 352.0 mD · Kv 38.0 mD · Density 2.66 · CORE LABS -- --
21/09- 1 ↳ Plug 10 2227.09 -- φ 31.0% · Kh 444.0 mD · Kv 149.0 mD · Density 2.76 · CORE LABS -- --
21/09- 1 ↳ Plug 11 2229.39 -- φ 31.5% · Kh 669.0 mD · Kv 689.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 12 2229.68 -- φ 7.7% · Kh 1.4 mD · Kv -19.0 mD · Density 2.80 · CORE LABS -- --
21/09- 1 ↳ Plug 13 2230.71 -- φ 31.8% · Kh 1547.0 mD · Kv 1597.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 14 2230.78 -- φ 29.6% · Kh 352.0 mD · Kv 156.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 15 2230.95 -- φ 17.5% · Kh 30.0 mD · Kv 1.6 mD · Density 2.78 · CORE LABS -- --
21/09- 1 ↳ Plug 16 2231.11 -- φ 21.2% · Kh 14.0 mD · Kv 9.8 mD · Density 2.71 · CORE LABS -- --
21/09- 1 ↳ Plug 17 2231.19 -- φ 19.0% · Kh 126.0 mD · Kv 15.0 mD · Density 2.67 · CORE LABS -- --
21/09- 1 ↳ Plug 18 2231.29 -- φ 32.8% · Kh 1284.0 mD · Kv 1644.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 19 2231.37 -- φ 31.2% · Kh 844.0 mD · Kv 543.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 20 2231.51 -- φ 32.5% · Kh 2170.0 mD · Kv 1875.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 21 2231.98 -- φ 22.8% · Kh 27.0 mD · Kv 13.0 mD · Density 2.63 · CORE LABS -- --
21/09- 1 ↳ Plug 22 2232.18 -- φ 23.7% · Kh 145.0 mD · Kv 43.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 23 2232.34 -- φ 26.5% · Kh 659.0 mD · Kv 538.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 24 2232.52 -- φ 28.3% · Kh 683.0 mD · Kv 1182.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 25 2232.65 -- φ 29.1% · Kh 1248.0 mD · Kv 1489.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 26 2232.75 -- φ 27.6% · Kh 1327.0 mD · Kv 2100.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 27 2232.9 -- φ 28.8% · Kh 1178.0 mD · Kv 2907.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 28 2233.01 -- φ 29.3% · Kh 1260.0 mD · Kv 2049.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 29 2233.99 -- φ 31.1% · Kh 1136.0 mD · Kv 1381.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 30 2234.13 -- φ 28.1% · Kh 570.0 mD · Kv 1048.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 31 2234.31 -- φ 28.2% · Kh 537.0 mD · Kv 1113.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 32 2234.48 -- φ 28.3% · Kh 594.0 mD · Kv 979.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 33 2234.63 -- φ 28.7% · Kh 988.0 mD · Kv 2110.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 34 2234.78 -- φ 27.5% · Kh 532.0 mD · Kv 862.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 35 2234.97 -- φ 29.9% · Kh 1106.0 mD · Kv 2025.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 36 2235.16 -- φ 29.5% · Kh 731.0 mD · Kv 1906.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 37 2235.28 -- φ 30.4% · Kh 1055.0 mD · Kv 1978.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 38 2235.64 -- φ 29.3% · Kh 784.0 mD · Kv 682.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 39 2235.77 -- φ 27.8% · Kh 551.0 mD · Kv 815.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 40 2236.03 -- φ 26.8% · Kh 511.0 mD · Kv 618.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 41 2236.19 -- φ 26.3% · Kh 463.0 mD · Kv 373.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 42 2236.35 -- φ 25.0% · Kh 313.0 mD · Kv 431.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 ↳ Plug 43 2236.61 -- φ 25.9% · Kh 348.0 mD · Kv 753.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 44 2236.86 -- φ 26.9% · Kh 531.0 mD · Kv 648.0 mD · Density 2.64 · CORE LABS -- --
21/09- 1 ↳ Plug 45 2237.08 -- φ 23.9% · Kv 739.0 mD · Density 2.65 · CORE LABS -- --
21/09- 1 Core #4 2415.36 2432.18 -- -- .
21/09- 1 Core #5 2518.96 2535.78 -- -- .
21/09- 1 Core #6 3394.95 3412.14 -- -- .

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
21/09- 1 0 -- -- --

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