21/18b- 9

Decommissioned

Well Header

Well No
21/18b- 9
NSTA DEN No
6820
Well Name
--
Drill Seq No
9
Quadrant / Block
21 / 18 b
Surface Location
57.393262, 0.435121
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
NEO NEXT+ ENERGY OFFSHORE UK LIMITED
Original Operator
--
Sub Area Operator
NEO NEXT+ ENERGY OFFSHORE UK LIMITED
Licence No
P990
Licence Type
Production
Spud Date
2000-03-03
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/18b- 9 Original
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
I
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
26.518
Ground Elev (m)
--
Water Depth (m)
82.91
TD MD (m)
2740.152
TD TVDSS (m)
2713.634
TD Datum Depth (m)
26.518
TD Datum Type
Rotary Table
Spud Date
2000-03-03
TD Reached
2000-04-23
Completion Date
2000-04-23
Release Date
2004-04-23

Formation Tops (26)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/18b- 9 Stronsay Cenozoic 980.000 953.456 Lloyds Register
Horda Cenozoic 980.000 953.456 Lloyds Register
Upper Tay Sandstone 1805.000 1778.427 Lloyds Register
Lower Tay Sandstone 1913.000 1886.422 Lloyds Register
Balder Tuff Cenozoic 1935.000 1908.421 Lloyds Register
Balder Cenozoic 1935.000 1908.421 Lloyds Register
Moray Mesozoic 1935.000 1908.421 Lloyds Register
Sele Mesozoic 1950.000 1923.421 Lloyds Register
Montrose Mesozoic 1955.000 1928.421 Lloyds Register
Lista Mesozoic 1955.000 1928.421 Lloyds Register
Maureen Mesozoic 2033.000 2006.419 Lloyds Register
Maureen Reworked Unit Mesozoic 2074.000 2047.417 Lloyds Register
Chalk Mesozoic 2115.000 2088.416 Lloyds Register
Ekofisk Mesozoic 2115.000 2088.416 Lloyds Register
Tor Mesozoic 2135.000 2108.415 Lloyds Register
Mackerel Mesozoic 2225.000 2198.411 Lloyds Register
Herring Mesozoic 2325.000 2298.407 Lloyds Register
Hidra Mesozoic 2365.000 2338.406 Lloyds Register
Cromer Knoll Mesozoic 2393.000 2366.405 Lloyds Register
Valhall Mesozoic 2393.000 2366.405 Lloyds Register
Kimmeridge Clay 2544.000 2517.400 Lloyds Register
Humber Mesozoic 2544.000 2517.400 Lloyds Register
Heather Mesozoic 2615.000 2588.395 Lloyds Register
Fulmar Mesozoic 2650.000 2623.392 Lloyds Register
Shearwater Salt 2679.000 2652.389 Lloyds Register
Zechstein Palaeozoic 2679.000 2652.389 Lloyds Register

Lithology Intervals

21/18b- 9 Curve: SANDCOUNT 43 intervals  ·  MD 1804.721 – 2678.430 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Limestone (22)
Sandstone (21)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/18b- 9 7 15 4 20 26 1 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
21/18b- 9 Cuttings 972.31 2740.15 -- -- curated May`00 to fill gap

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/18b- 9 939.850830078125 2741.828369140625 7 0 2026-08-06 17:25:25.711674+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/18b- 9
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
caliper HCAL CGG Digital Well Logs 2417.0640000000003 2732.532 2071
comp_sonic DT CGG Digital Well Logs 2417.6736 2735.58 2087
deep_resistivity RESD CGG Digital Well Logs 947.6232 2741.8284000000003 11619
density_correction HDRA CGG Digital Well Logs 2417.5212 2729.484 2048
gamma_ray GR CGG Digital Well Logs 939.8508 2728.1124 11722
med_resistivity RESM CGG Digital Well Logs 947.6232 2741.8284000000003 11619
mud_resistivity AHMF CGG Digital Well Logs 2419.0452 2741.9808000000003 2120
shallow_resistivity RESS CGG Digital Well Logs 947.6232 2741.8284000000003 11619

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/18b- 9 69 2740.152 2713.538 D:\BigSpatial\nsta_raw\CGG_Deviation\21-18b-9 10733af_CGG-Deviation.xlsx

Related Documents

Open Document Search
Searching related documents...