Well Data Manager / Well Summary / 12/23- 3

12/23- 3

Decommissioned

Well Header

Well No
12/23- 3
NSTA DEN No
2835
Well Name
--
Drill Seq No
3
Quadrant / Block
12 / 23
Surface Location
58.243981, -2.465036
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
PREMIER OIL GROUP LIMITED
Original Operator
--
Sub Area Operator
PREMIER OIL GROUP LIMITED
Licence No
P371
Licence Type
Production
Spud Date
1985-11-20
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

12/23- 3 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
C
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
68.58
TD MD (m)
493.776
TD TVDSS (m)
467.868
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1985-11-20
TD Reached
1985-11-25
Completion Date
1985-11-26
Release Date
1989-11-26
12/23- 3A Sidetrack A parent: 12/23- 3
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
C
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
54.86
TD MD (m)
2588.970
TD TVDSS (m)
2481.986
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1985-11-28
TD Reached
1986-01-06
Completion Date
1986-02-02
Release Date
1990-02-02

Formation Tops (42)

Wellbore Formation Era MD (m) TVDSS (m) Provider
12/23- 3 Lower Cretaceous Undifferentiated Mesozoic 181.000 155.092 Lloyds Register
Cromer Knoll Mesozoic 181.000 155.092 Lloyds Register
Captain Sandstone Mesozoic 535.000 509.092 Lloyds Register
Humber Mesozoic 1423.000 1397.092 Lloyds Register
Kimmeridge Clay 1423.000 1397.092 Lloyds Register
Burns Sandstone Mesozoic 1433.000 1407.092 Lloyds Register
Heather Mesozoic 2131.000 2105.092 Lloyds Register
Fladen Mesozoic 2145.000 2119.092 Lloyds Register
Beatrice 2145.000 2119.092 Lloyds Register
Brora Coal Mesozoic 2153.000 2127.092 Lloyds Register
Heron Palaeozoic 2168.000 2142.092 Lloyds Register
Stotfield Calcrete Mesozoic 2168.000 2142.092 Lloyds Register
Lossiehead Mesozoic 2174.000 2148.092 Lloyds Register
Hopeman Sst 2349.000 2323.092 Lloyds Register
Bosies Bank Palaeozoic 2422.000 2396.092 Lloyds Register
Zechstein Palaeozoic 2422.000 2396.092 Lloyds Register
Auk 2507.000 2481.092 Lloyds Register
Rotliegend 2507.000 2481.092 Lloyds Register
12/23- 3A Unknown 80.000 55.006 BGS LithoStrat Upper
Valhall Mesozoic 500.000 474.993 BGS LithoStrat Upper
Wick B Member 535.000 509.992 BGS LithoStrat Upper
Wick B Member 975.000 949.957 BGS LithoStrat Upper
Wick B Member 1021.000 995.951 BGS LithoStrat Upper
Valhall Mesozoic 1296.000 1270.919 BGS LithoStrat Upper
Valhall Mesozoic 1338.000 1312.918 BGS LithoStrat Upper
Wick A Member 1370.000 1344.916 BGS LithoStrat Upper
Valhall Mesozoic 1384.000 1358.915 BGS LithoStrat Upper
Valhall Mesozoic 1407.000 1381.913 BGS LithoStrat Upper
Kimmeridge Clay 1423.000 1397.911 BGS LithoStrat Upper
Claymore Sandstone Mesozoic 1433.000 1407.910 BGS LithoStrat Upper
Claymore Sandstone Mesozoic 1570.000 1544.836 BGS LithoStrat Upper
Kimmeridge Clay 2115.000 2089.334 BGS LithoStrat Upper
Heather Mesozoic 2129.000 2103.330 BGS LithoStrat Upper
Uppat Formation 2131.000 2105.329 BGS LithoStrat Upper
Uppat Formation 2140.000 2114.328 BGS LithoStrat Upper
Carron Member Palaeozoic 2145.000 2119.327 BGS LithoStrat Upper
Brora Coal Mesozoic 2153.000 2127.325 BGS LithoStrat Upper
Cherty Rock 2168.000 2142.323 BGS LithoStrat Upper
Lossiehead Formation Mesozoic 2174.000 2148.322 BGS LithoStrat Upper
Hopeman Sandstone Palaeozoic 2349.000 2323.291 BGS LithoStrat Upper
Halibut Bank 2422.000 2396.261 BGS LithoStrat Upper
Rotliegendes 2507.000 2481.201 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
12/23- 3 6 10 2 0 18 0 0 0 0 View
12/23- 3A 0 0 0 24 24 3 3 0 2 View

Hydrocarbon Occurrence (12)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
12/23- 3A Oil shows OS Wick Sandstone Formation 1021.08 -- 275 m thick
12/23- 3A Gas shows GS VALH 1338.0720000000001 -- 32 m thick
12/23- 3A Oil shows OS Claymore Sandstone Member 1432.8648 -- 137 m thick
12/23- 3A Oil shows OS Claymore Sandstone Member 1569.72 -- 546 m thick
12/23- 3A DST DST 2A -- 1924.5 1951.9 Label / Upper Jurassic
12/23- 3A DST DST 1 -- 2054.4 2082.4 Not used for labelling, multiple DSTs in same play / Upper Jurassic
12/23- 3A Oil shows OS CARM 2144.5728 -- 9 m thick
12/23- 3A Oil shows OS Brora Coal Formation 2153.4120000000003 -- 15 m thick
12/23- 3A Oil shows OS Lossiehead Formation 2173.8336 -- 175 m thick
12/23- 3A Oil shows OS Hopeman Sandstone Formation 2348.7888000000003 -- 73 m thick
12/23- 3A Oil shows OS HALB 2422.2456 -- 85 m thick
12/23- 3A Oil shows OS Rotliegend Group 2506.98 -- 80 m thick

Rock Samples (80)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
12/23- 3A Core #1 1466.39 1473.46 φ 20.3% (n=23) · Kh 49.0 mD (n=22) · Kv 20.4 mD (n=20) · Density 2.60 (n=23) · ROBERTSON -- .
12/23- 3A ↳ Plug 1 1466.393 -- φ 25.5% · Kh 69.0 mD · Kv 1.3 mD · Density 2.61 · ROBERTSON -- --
12/23- 3A ↳ Plug 2 1466.698 -- φ 21.1% · Kh 13.0 mD · Kv 11.0 mD · Density 2.60 · ROBERTSON -- --
12/23- 3A ↳ Plug 3 1467.002 -- φ 21.1% · Kh 4.1 mD · Kv 0.4 mD · Density 2.62 · ROBERTSON -- --
12/23- 3A ↳ Plug 4 1467.307 -- φ 22.5% · Kh 17.0 mD · Kv 1.9 mD · Density 2.61 · ROBERTSON -- --
12/23- 3A ↳ Plug 5 1467.612 -- φ 23.6% · Kh 47.0 mD · Kv 26.0 mD · Density 2.60 · ROBERTSON -- --
12/23- 3A ↳ Plug 6 1467.917 -- φ 19.6% · Kh 5.0 mD · Kv 0.5 mD · Density 2.59 · ROBERTSON -- --
12/23- 3A ↳ Plug 7 1468.222 -- φ 27.8% · Kh 374.0 mD · Kv 193.0 mD · Density 2.60 · ROBERTSON -- --
12/23- 3A ↳ Plug 8 1468.526 -- φ 27.0% · Kh 270.0 mD · Kv 122.0 mD · Density 2.61 · ROBERTSON -- --
12/23- 3A ↳ Plug 9 1468.831 -- φ 20.4% · Kh 17.0 mD · Density 2.61 · ROBERTSON -- --
12/23- 3A ↳ Plug 10 1469.136 -- φ 14.4% · Kv 0.6 mD · Density 2.54 · ROBERTSON -- --
12/23- 3A ↳ Plug 11 1469.441 -- φ 22.3% · Kh 76.0 mD · Density 2.51 · ROBERTSON -- --
12/23- 3A ↳ Plug 12 1469.746 -- φ 18.3% · Kh 4.0 mD · Kv 0.2 mD · Density 2.62 · ROBERTSON -- --
12/23- 3A ↳ Plug 13 1470.05 -- φ 20.9% · Kh 33.0 mD · Kv 4.7 mD · Density 2.62 · ROBERTSON -- --
12/23- 3A ↳ Plug 15 1470.66 -- φ 13.9% · Kh 4.3 mD · Kv 0.0 mD · Density 2.63 · ROBERTSON -- --
12/23- 3A ↳ Plug 16 1470.965 -- φ 22.6% · Kh 38.0 mD · Kv 13.0 mD · Density 2.61 · ROBERTSON -- --
12/23- 3A ↳ Plug 17 1471.27 -- φ 18.5% · Kh 16.0 mD · Kv 26.0 mD · Density 2.62 · ROBERTSON -- --
12/23- 3A ↳ Plug 18 1471.574 -- φ 6.7% · Kh 0.0 mD · Kv 0.0 mD · Density 2.65 · ROBERTSON -- --
12/23- 3A ↳ Plug 19 1471.879 -- φ 20.5% · Kh 27.0 mD · Kv 0.8 mD · Density 2.62 · ROBERTSON -- --
12/23- 3A ↳ Plug 20 1472.184 -- φ 20.6% · Kh 25.0 mD · Kv 5.6 mD · Density 2.62 · ROBERTSON -- --
12/23- 3A ↳ Plug 21 1472.489 -- φ 16.4% · Kh 3.9 mD · Kv 0.1 mD · Density 2.57 · ROBERTSON -- --
12/23- 3A ↳ Plug 22 1472.794 -- φ 20.3% · Kh 6.0 mD · Density 2.62 · ROBERTSON -- --
12/23- 3A ↳ Plug 23 1473.098 -- φ 21.9% · Kh 21.0 mD · Kv 0.3 mD · Density 2.61 · ROBERTSON -- --
12/23- 3A ↳ Plug 24 1473.403 -- φ 20.5% · Kh 8.0 mD · Kv 1.2 mD · Density 2.62 · ROBERTSON -- --
12/23- 3A Core #2 1922.68 1931.27 φ 12.5% (n=24) · Kh 40.9 mD (n=24) · Kv 44.6 mD (n=19) · So 14.0% (n=1) · Sw 37.3% (n=1) · Density 2.64 (n=24) · ROBERTSON -- .
12/23- 3A ↳ Plug A 1922.983 -- φ 4.3% · Kh -19.0 mD · Kv -19.0 mD · Density 2.69 · ROBERTSON -- --
12/23- 3A ↳ Plug B 1923.288 -- φ 3.6% · Kh -19.0 mD · Density 2.68 · ROBERTSON -- --
12/23- 3A ↳ Plug 25 1923.898 -- φ 5.2% · Kh 0.0 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 26 1924.202 -- φ 6.3% · Kh -19.0 mD · Kv -19.0 mD · Density 2.61 · ROBERTSON -- --
12/23- 3A ↳ Plug C 1924.812 -- φ 3.8% · Kh -19.0 mD · Density 2.61 · ROBERTSON -- --
12/23- 3A ↳ Plug 27 1925.422 -- φ 2.6% · Kh -19.0 mD · Kv -19.0 mD · Density 2.59 · ROBERTSON -- --
12/23- 3A ↳ Plug D 1926.031 -- φ 6.8% · Kh 0.0 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 28 1926.336 -- φ 17.5% · Kh 30.0 mD · Kv 19.0 mD · Density 2.63 · ROBERTSON -- --
12/23- 3A ↳ Plug 29 1926.641 -- φ 8.3% · Kh 0.0 mD · Kv 0.2 mD · So 14.0% · Sw 37.3% · Density 2.67 · ROBERTSON -- --
12/23- 3A ↳ Plug E 1926.946 -- φ 17.1% · Kh 48.0 mD · Kv 106.0 mD · Density 2.65 · ROBERTSON -- --
12/23- 3A ↳ Plug 30 1927.25 -- φ 18.7% · Kh 15.0 mD · Kv 0.6 mD · Density 2.63 · ROBERTSON -- --
12/23- 3A ↳ Plug 31 1927.555 -- φ 20.7% · Kh 148.0 mD · Kv 182.0 mD · Density 2.63 · ROBERTSON -- --
12/23- 3A ↳ Plug 32 1927.86 -- φ 20.8% · Kh 217.0 mD · Kv 155.0 mD · Density 2.63 · ROBERTSON -- --
12/23- 3A ↳ Plug 33 1928.165 -- φ 8.7% · Kh 0.6 mD · Kv -19.0 mD · Density 2.57 · ROBERTSON -- --
12/23- 3A ↳ Plug 34 1928.47 -- φ 18.3% · Kh 8.8 mD · Kv 10.0 mD · Density 2.65 · ROBERTSON -- --
12/23- 3A ↳ Plug 35 1928.774 -- φ 22.6% · Kh 196.0 mD · Kv 136.0 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 36 1929.079 -- φ 21.2% · Kh 160.0 mD · Kv 192.0 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 37 1929.384 -- φ 21.5% · Kh 207.0 mD · Kv 103.0 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 38 1929.689 -- φ 9.8% · Kh 0.0 mD · Kv 0.0 mD · Density 2.65 · ROBERTSON -- --
12/23- 3A ↳ Plug 39 1929.994 -- φ 9.5% · Kh 0.0 mD · Density 2.63 · ROBERTSON -- --
12/23- 3A ↳ Plug 40 1930.298 -- φ 18.0% · Kh 13.0 mD · Kv 8.9 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 41 1930.603 -- φ 16.0% · Kh 18.0 mD · Kv 9.1 mD · Density 2.65 · ROBERTSON -- --
12/23- 3A ↳ Plug 42 1930.908 -- φ 15.9% · Kh 15.0 mD · Kv 1.2 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 43 1931.213 -- φ 3.2% · Kh 0.0 mD · Kv 0.0 mD · Density 2.67 · ROBERTSON -- --
12/23- 3A Core #3 2072.03 2082.7 φ 12.3% (n=30) · Kh 21.2 mD (n=29) · Kv 15.7 mD (n=26) · So 11.8% (n=1) · Sw 50.2% (n=1) · Density 2.66 (n=30) · ROBERTSON -- .
12/23- 3A ↳ Plug F 2072.64 -- φ 1.9% · Kh -19.0 mD · Density 2.57 · ROBERTSON -- --
12/23- 3A ↳ Plug G 2073.554 -- φ 5.3% · Kh -19.0 mD · Density 2.58 · ROBERTSON -- --
12/23- 3A ↳ Plug 44 2074.164 -- φ 12.4% · Kh 0.0 mD · Kv 0.0 mD · Density 2.67 · ROBERTSON -- --
12/23- 3A ↳ Plug 45 2074.469 -- φ 12.4% · Kh 0.0 mD · Kv 0.0 mD · Density 2.77 · ROBERTSON -- --
12/23- 3A ↳ Plug 46 2074.774 -- φ 7.0% · Kh 0.0 mD · Kv -19.0 mD · Density 2.66 · ROBERTSON -- --
12/23- 3A ↳ Plug 47 2075.078 -- φ 11.9% · Kh 0.0 mD · Kv 0.0 mD · Density 2.73 · ROBERTSON -- --
12/23- 3A ↳ Plug 48 2075.383 -- φ 14.9% · Kh 0.1 mD · Kv 0.0 mD · Density 2.71 · ROBERTSON -- --
12/23- 3A ↳ Plug 49 2075.688 -- φ 18.1% · Kh 0.6 mD · Kv 0.0 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 50 2075.993 -- φ 17.6% · Kv 0.2 mD · Density 2.66 · ROBERTSON -- --
12/23- 3A ↳ Plug 51 2076.298 -- φ 14.2% · Kh 0.1 mD · Kv 0.2 mD · Density 2.66 · ROBERTSON -- --
12/23- 3A ↳ Plug 52 2076.602 -- φ 13.4% · Kh 19.0 mD · Kv 38.0 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 53 2076.907 -- φ 17.9% · Kh 88.0 mD · Kv 34.0 mD · Density 2.66 · ROBERTSON -- --
12/23- 3A ↳ Plug 54 2077.212 -- φ 16.3% · Kh 80.0 mD · Kv 35.0 mD · Density 2.65 · ROBERTSON -- --
12/23- 3A ↳ Plug 55 2077.517 -- φ 13.9% · Kh 0.5 mD · Kv 0.2 mD · Density 2.61 · ROBERTSON -- --
12/23- 3A ↳ Plug 56 2077.822 -- φ 19.0% · Kh 82.0 mD · Kv 8.4 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 57 2078.126 -- φ 17.7% · Kh 0.3 mD · Density 2.65 · ROBERTSON -- --
12/23- 3A ↳ Plug 58 2078.431 -- φ 20.4% · Kh 30.0 mD · Kv 107.0 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 59 2078.736 -- φ 20.9% · Kh 129.0 mD · Kv 86.0 mD · Density 2.65 · ROBERTSON -- --
12/23- 3A ↳ Plug 60 2079.041 -- φ 3.4% · Kh 0.0 mD · Kv 0.0 mD · Density 2.67 · ROBERTSON -- --
12/23- 3A ↳ Plug 61 2079.346 -- φ 20.6% · Kh 12.0 mD · Kv 0.1 mD · So 11.8% · Sw 50.2% · Density 2.66 · ROBERTSON -- --
12/23- 3A ↳ Plug 62 2079.65 -- φ 20.3% · Kh 58.0 mD · Kv 4.4 mD · Density 2.65 · ROBERTSON -- --
12/23- 3A ↳ Plug 63 2079.955 -- φ 4.7% · Kh 0.0 mD · Density 2.67 · ROBERTSON -- --
12/23- 3A ↳ Plug 64 2080.26 -- φ 4.8% · Kh 0.0 mD · Kv 0.0 mD · Density 2.73 · ROBERTSON -- --
12/23- 3A ↳ Plug 65 2080.565 -- φ 18.8% · Kh 59.0 mD · Kv 118.0 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 66 2080.87 -- φ 19.1% · Kh 93.0 mD · Kv 14.0 mD · Density 2.64 · ROBERTSON -- --
12/23- 3A ↳ Plug 67 2081.174 -- φ 5.0% · Kh 0.0 mD · Kv 0.0 mD · Density 2.66 · ROBERTSON -- --
12/23- 3A ↳ Plug 68 2081.479 -- φ 4.6% · Kh 0.0 mD · Kv 0.0 mD · Density 2.67 · ROBERTSON -- --
12/23- 3A ↳ Plug 69 2081.784 -- φ 3.5% · Kh 0.0 mD · Kv 0.0 mD · Density 2.67 · ROBERTSON -- --
12/23- 3A ↳ Plug 70 2082.089 -- φ 7.3% · Kh 0.0 mD · Kv 0.0 mD · Density 2.68 · ROBERTSON -- --
12/23- 3A ↳ Plug 71 2082.394 -- φ 2.5% · Kh 0.0 mD · Kv -19.0 mD · Density 2.69 · ROBERTSON -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
12/23- 3A 71.62799835205078 2586.22802734375 11 0 2026-08-06 16:36:28.541072+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
12/23- 3A
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN CGG Digital Well Logs 490.1184 2583.0276000000003 13734
caliper CALI CGG Digital Well Logs 490.4232 2583.0276000000003 13732
caliper CAL CGG Digital Well Logs 1359.5604 2583.4848 8032
comp_sonic AC CGG Digital Well Logs 494.3856 2576.1696 13661
deep_resistivity RILD CGG Digital Well Logs 490.1184 2582.418 13730
deep_resistivity RD CGG Digital Well Logs 1360.17 2579.9796 8005
density_correction CORR CGG Digital Well Logs 490.5756 2583.0276000000003 13731
gamma_ray GR CGG Digital Well Logs 71.628 2570.0736 16395
gamma_ray GRD CGG Digital Well Logs 484.4796 2573.7312 13710
gamma_ray GRL CGG Digital Well Logs 1344.1680000000001 2574.036 8071
med_resistivity RILM CGG Digital Well Logs 489.8136 2582.418 13732
micro_resistivity RMLL CGG Digital Well Logs 1359.8652 2583.4848 8030
neutron_por CNC CGG Digital Well Logs 490.5756 2580.2844 13713
potassium K CGG Digital Well Logs 1360.3224 2573.5788000000002 7962
shallow_resistivity RFOC CGG Digital Well Logs 490.2708 2586.228 13754
shallow_resistivity RS CGG Digital Well Logs 1359.5604 2579.9796 8009
sp SP CGG Digital Well Logs 492.5568 2584.704 13729
sp SPL CGG Digital Well Logs 1359.4080000000001 2568.702 7936
thorium TH CGG Digital Well Logs 1360.3224 2573.7312 7963

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
12/23- 3 0 -- -- --
12/23- 3A 93 2588.971 2563.096 D:\BigSpatial\nsta_raw\CGG_Deviation\12-23-3A 7215ak-CGG-Deviation.xlsx

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