Well Data Manager / Well Summary / 21/30- 11

21/30- 11

Decommissioned

Well Header

Well No
21/30- 11
NSTA DEN No
2375
Well Name
--
Drill Seq No
11
Quadrant / Block
21 / 30
Surface Location
57.076395, 0.841596
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
SERICA ENERGY MISTRAL LIMITED
Original Operator
--
Sub Area Operator
SERICA ENERGY MISTRAL LIMITED
Licence No
P13
Licence Type
Production
Spud Date
1984-04-29
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/30- 11 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
N
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
86.26
TD MD (m)
2067.154
TD TVDSS (m)
2067.154
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1984-04-29
TD Reached
1984-05-21
Completion Date
1984-06-07
Release Date
1988-06-07

Formation Tops (12)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/30- 11 Horda Cenozoic 1577.000 1551.872 Lloyds Register
Stronsay Cenozoic 1577.000 1551.872 Lloyds Register
Moray Mesozoic 1703.000 1677.861 Lloyds Register
Balder Cenozoic 1703.000 1677.861 Lloyds Register
Sele Mesozoic 1716.000 1690.860 Lloyds Register
Forties Sandstone Mesozoic 1782.000 1756.856 Lloyds Register
Lista Mesozoic 1836.000 1810.853 Lloyds Register
Balmoral Sandstone Cenozoic 1836.000 1810.853 Lloyds Register
Montrose Mesozoic 1836.000 1810.853 Lloyds Register
Maureen Mesozoic 1964.000 1938.845 Lloyds Register
Chalk Mesozoic 1981.000 1955.844 Lloyds Register
Ekofisk Mesozoic 1981.000 1955.844 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
21/30- 11 4 6 2 7 12 1 0 1 1 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
21/30- 11 DST DST 1 -- 0.0 0.0 Label / Forties
21/30- 11 Oil O Forties Sandstone Member 1781.556 -- 183 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/30- 11 Cuttings 304.8 2090.93 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/30- 11 106.07039642333984 2091.53759765625 11 0 2026-08-06 10:24:51.429281+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/30- 11
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1764.6396000000002 2090.0136 2136
caliper C1 CGG Digital Well Logs 289.56 2089.0992 10189
caliper C2 CGG Digital Well Logs 288.798 1715.7192 7733
caliper CALI CGG Digital Well Logs 289.56 2089.0992 10189
caliper CALS CGG Digital Well Logs 1764.6396000000002 2088.4896 2126
comp_sonic DT CGG Digital Well Logs 289.56 2078.8884000000003 11248
deep_resistivity LLD CGG Digital Well Logs 1764.7920000000001 2089.0992 2129
deep_resistivity ILD CGG Digital Well Logs 289.56 2089.0992 11412
density_correction DRHO CGG Digital Well Logs 1764.6396000000002 2089.8612000000003 2135
gamma_ray GR CGG Digital Well Logs 106.0704 2082.2412 12671
micro_resistivity MSFL CGG Digital Well Logs 1764.1824000000001 2090.166 2140
neutron_por NPHI CGG Digital Well Logs 1764.6396000000002 2086.9656 2116
pef PEF CGG Digital Well Logs 1764.9444 2090.7756 2139
shallow_resistivity LLS CGG Digital Well Logs 1764.9444 2087.2704 2116
shallow_resistivity SFLU CGG Digital Well Logs 289.4076 2089.2516 11415
sp SP CGG Digital Well Logs 289.4076 2091.5376 11444

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/30- 11 53 2092.450 2067.288 D:\BigSpatial\nsta_raw\CGG_Deviation\21-30-11 1080au-CGG_deviation.xlsx

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