49/21-R7

Decommissioned

Well Header

Well No
49/21-R7
NSTA DEN No
3096
Well Name
--
Drill Seq No
7
Quadrant / Block
49 / 21
Surface Location
53.247023, 2.023155
Source Datum
ED50
Subsea Well
No
Platform
R
Slot No
3
Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Original Operator
--
Sub Area Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Licence No
P39
Licence Type
Production
Spud Date
1987-02-16
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

49/21-R7 Original
Current Intent
Development
Original Intent
Development
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
G
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
33.528
Ground Elev (m)
--
Water Depth (m)
30.48
TD MD (m)
3130.300
TD TVDSS (m)
2501.540
TD Datum Depth (m)
33.528
TD Datum Type
Kelly Bushing
Spud Date
1987-02-16
TD Reached
1987-03-16
Completion Date
1988-03-22
Release Date
1992-03-22

Formation Tops (31)

Wellbore Formation Era MD (m) TVDSS (m) Provider
49/21-R7 Unknown 64.000 30.472 BGS LithoStrat Upper
Triton Anhydrite Mesozoic 127.000 93.472 BGS LithoStrat Upper
Keuper Anhydrite Member Mesozoic 158.000 124.472 BGS LithoStrat Upper
Keuper Halite Member Mesozoic 365.000 331.472 BGS LithoStrat Upper
Dudgeon Saliferous 571.000 537.472 BGS LithoStrat Upper
Dowsing Dolomite 741.000 707.472 BGS LithoStrat Upper
Muschelkalk Halite Member Mesozoic 831.000 797.472 BGS LithoStrat Upper
Dowsing Dolomite 920.000 886.472 BGS LithoStrat Upper
Rot Halite Member 1161.000 1127.472 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1199.000 1165.472 BGS LithoStrat Upper
Rogenstein Member Mesozoic 1663.000 1629.472 BGS LithoStrat Upper
Bunter Shale Mesozoic 1817.000 1783.472 BGS LithoStrat Upper
Brockelschiefer Member 2090.000 2056.472 BGS LithoStrat Upper
Aller Evaporite Palaeozoic 2142.000 2108.472 BGS LithoStrat Upper
Pegmatitanhydrit Palaeozoic 2226.000 2192.472 BGS LithoStrat Upper
Roter Salzton Palaeozoic 2227.000 2193.472 BGS LithoStrat Upper
Leine Evaporite Palaeozoic 2228.000 2194.472 BGS LithoStrat Upper
Hauptanhydrit Palaeozoic 2399.000 2365.472 BGS LithoStrat Upper
Plattendolomit Palaeozoic 2406.000 2372.472 BGS LithoStrat Upper
Zechstein Z3 2419.000 2385.472 BGS LithoStrat Upper
Plattendolomit Palaeozoic 2499.000 2465.472 BGS LithoStrat Upper
Grauer Salzton Palaeozoic 2505.000 2471.472 BGS LithoStrat Upper
Deckanhydrit 2506.000 2472.472 BGS LithoStrat Upper
Stassfurt Halite Palaeozoic 2508.000 2474.472 BGS LithoStrat Upper
Basalanhydrit Palaeozoic 2539.000 2505.472 BGS LithoStrat Upper
Hauptdolomit Palaeozoic 2553.000 2519.472 BGS LithoStrat Upper
Werraanhydrit Palaeozoic 2636.000 2602.472 BGS LithoStrat Upper
Zechsteinkalk Palaeozoic 2847.000 2813.472 BGS LithoStrat Upper
Kupferschiefer Palaeozoic 2852.000 2818.472 BGS LithoStrat Upper
Leman Sandstone 2853.000 2819.472 BGS LithoStrat Upper
Unknown 3114.000 3080.472 BGS LithoStrat Upper

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
49/21-R7 0 0 0 31 31 0 4 1 0 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
49/21-R7 Gas G Leman Sandstone Formation 2852.6232 -- 262 m thick

Rock Samples (5)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
49/21-R7 Cuttings 414.53 3130.3 -- -- .
49/21-R7 Core #1 2868.47 2900.78 -- -- in as 49/21 R07/03 .
49/21-R7 Core #2 2900.78 2932.79 -- -- .
49/21-R7 Core #3 2932.79 2940.01 -- -- .
49/21-R7 Core #4 2942.84 2947.72 -- -- .

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
49/21-R7 0 -- -- --

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