Well Data Manager / Well Summary / 16/21a-B1

16/21a-B1

Present

Well Header

Well No
16/21a-B1
NSTA DEN No
2455
Well Name
--
Drill Seq No
1
Quadrant / Block
16 / 21 a
Surface Location
58.228685, 1.107362
Source Datum
ED50
Subsea Well
Yes
Platform
B
Slot No
8
Operator
PREMIER OIL E&P UK LIMITED
Original Operator
--
Sub Area Operator
PREMIER OIL E&P UK LIMITED
Licence No
P201
Licence Type
Production
Spud Date
1984-07-30
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

16/21a-B1 Original
Plugged Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
OH
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.298
Ground Elev (m)
--
Water Depth (m)
148.13
TD MD (m)
2783.430
TD TVDSS (m)
2247.900
TD Datum Depth (m)
25.298
TD Datum Type
Kelly Bushing
Spud Date
1984-07-30
TD Reached
1984-08-27
Completion Date
1986-12-17
Release Date
1990-12-17

Formation Tops (11)

Wellbore Formation Era MD (m) TVDSS (m) Provider
16/21a-B1 Hordaland Cenozoic 173.000 147.702 BGS LithoStrat Upper
Hordaland Cenozoic 238.000 212.702 BGS LithoStrat Upper
Hordaland Cenozoic 1332.000 1306.702 BGS LithoStrat Upper
Hordaland Cenozoic 1625.000 1599.702 BGS LithoStrat Upper
Hordaland Cenozoic 1771.000 1745.702 BGS LithoStrat Upper
Hordaland Cenozoic 1853.000 1827.702 BGS LithoStrat Upper
Hordaland Cenozoic 2408.000 2382.702 BGS LithoStrat Upper
Balder Cenozoic 2415.000 2389.702 BGS LithoStrat Upper
Sele Mesozoic 2478.000 2452.702 BGS LithoStrat Upper
Forties Formation Equivalent 2537.000 2511.702 BGS LithoStrat Upper
Forties Shale Member Mesozoic 2582.000 2556.702 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
16/21a-B1 0 0 0 11 11 0 9 0 0 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
16/21a-B1 Oil O FORE 2536.5456 -- 45 m thick
16/21a-B1 Oil O Forties Sandstone Member 2581.656 -- 176 m thick

Rock Samples (9)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
16/21a-B1 Core #1 2568.85 2576.78 -- -- .
16/21a-B1 Core #2 2576.78 2580.44 -- -- .
16/21a-B1 Core #3 2581.66 2591.1 -- -- .
16/21a-B1 Core #4 2591.1 2600.65 -- -- .
16/21a-B1 Core #5 2600.65 2610.22 -- -- .
16/21a-B1 Core #6 2610.22 2619.66 -- -- .
16/21a-B1 Core #7 2619.66 2629.11 -- -- .
16/21a-B1 Core #8 2629.11 2638.56 -- -- .
16/21a-B1 Core #9 2638.56 2648.01 -- -- .

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
16/21a-B1 0 -- -- --

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