21/21- 1

Decommissioned

Well Header

Well No
21/21- 1
NSTA DEN No
4150
Well Name
--
Drill Seq No
1
Quadrant / Block
21 / 21
Surface Location
57.209775, 0.166659
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
APACHE BERYL I LIMITED
Original Operator
--
Sub Area Operator
APACHE BERYL I LIMITED
Licence No
P650
Licence Type
Production
Spud Date
1990-08-11
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/21- 1 Original
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)
86.26
TD MD (m)
1371.600
TD TVDSS (m)
1346.606
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1990-08-11
TD Reached
1990-08-23
Completion Date
1990-08-28
Release Date
1994-08-28

Formation Tops (12)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/21- 1 Horda Cenozoic 825.000 800.006 Lloyds Register
Stronsay Cenozoic 825.000 800.006 Lloyds Register
Upper Tay Sandstone 981.000 956.006 Lloyds Register
Lower Tay Sandstone 1058.000 1033.006 Lloyds Register
Balder Cenozoic 1074.000 1049.006 Lloyds Register
Moray Mesozoic 1074.000 1049.006 Lloyds Register
Sele Mesozoic 1154.000 1129.006 Lloyds Register
Lista Mesozoic 1205.000 1180.006 Lloyds Register
Montrose Mesozoic 1205.000 1180.006 Lloyds Register
Maureen Mesozoic 1301.000 1276.006 Lloyds Register
Chalk Mesozoic 1330.000 1305.006 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1330.000 1305.006 Lloyds Register

Lithology Intervals

21/21- 1 Curve: SANDCOUNT 19 intervals  ·  MD 949.147 – 1368.095 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
LITH Sand (18)
Limestone (1)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/21- 1 4 6 2 11 12 1 1 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (26)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/21- 1 Cuttings 771.14 1371.6 -- -- .
21/21- 1 Core #1 987.86 995.48 φ 39.2% (n=24) · Kh 6904.2 mD (n=24) · Density 2.64 (n=24) · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 1 987.903 -- φ 40.1% · Kh 1670.0 mD · Density 2.65 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 2 988.162 -- φ 34.5% · Kh 1920.0 mD · Density 2.62 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 3 988.466 -- φ 36.0% · Kh 867.0 mD · Density 2.63 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 4 988.771 -- φ 33.5% · Kh 1470.0 mD · Density 2.62 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 5 989.076 -- φ 36.2% · Kh 1550.0 mD · Density 2.63 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 6 989.32 -- φ 37.7% · Kh 8840.0 mD · Density 2.64 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 7 989.686 -- φ 37.4% · Kh 11452.0 mD · Density 2.64 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 8 989.99 -- φ 37.7% · Kh 10321.0 mD · Density 2.64 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 9 990.28 -- φ 38.3% · Kh 9770.0 mD · Density 2.66 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 10 990.6 -- φ 39.9% · Kh 9800.0 mD · Density 2.61 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 11 990.859 -- φ 40.4% · Kh 11231.0 mD · Density 2.65 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 12 991.21 -- φ 37.3% · Kh 6480.0 mD · Density 2.64 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 13 991.514 -- φ 38.8% · Kh 4100.0 mD · Density 2.66 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 14 991.819 -- φ 42.4% · Kh 1010.0 mD · Density 2.67 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 15 992.124 -- φ 35.9% · Kh 1620.0 mD · Density 2.62 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 16 992.383 -- φ 39.4% · Kh 5410.0 mD · Density 2.66 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 17 992.734 -- φ 41.8% · Kh 11154.0 mD · Density 2.66 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 18 993.038 -- φ 40.9% · Kh 11550.0 mD · Density 2.64 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 19 993.343 -- φ 40.7% · Kh 10107.0 mD · Density 2.64 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 20 993.648 -- φ 40.9% · Kh 11611.0 mD · Density 2.63 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 21 993.892 -- φ 42.4% · Kh 11620.0 mD · Density 2.65 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 22 994.258 -- φ 41.6% · Kh 11009.0 mD · Density 2.63 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 23 994.562 -- φ 43.4% · Kh 4630.0 mD · Density 2.64 · COREX SERVICES -- --
21/21- 1 ↳ Plug DZA 24 994.867 -- φ 43.5% · Kh 6510.0 mD · Density 2.66 · COREX SERVICES -- --

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

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