Well Data Manager / Well Summary / 15/29b- 4

15/29b- 4

Decommissioned

Well Header

Well No
15/29b- 4
NSTA DEN No
3712
Well Name
--
Drill Seq No
4
Quadrant / Block
15 / 29 b
Surface Location
58.021839, 0.728028
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Original Operator
--
Sub Area Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Licence No
P590
Licence Type
Production
Spud Date
1989-03-02
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

15/29b- 4 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
152.40
TD MD (m)
4115.710
TD TVDSS (m)
4088.680
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1989-03-02
TD Reached
1989-03-25
Completion Date
1989-04-25
Release Date
1993-04-25
15/29b- 4Z Sidetrack Z parent: 15/29b- 4
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
152.40
TD MD (m)
4646.981
TD TVDSS (m)
4613.630
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1989-04-25
TD Reached
1989-07-04
Completion Date
1989-07-22
Release Date
1993-07-22

Formation Tops (50)

Wellbore Formation Era MD (m) TVDSS (m) Provider
15/29b- 4 Nordland Cenozoic 177.000 152.006 BGS LithoStrat Upper
Nordland Cenozoic 744.000 718.997 BGS LithoStrat Upper
Nordland Cenozoic 762.000 736.997 BGS LithoStrat Upper
Upper Lark Formation Cenozoic 1066.000 1040.994 BGS LithoStrat Upper
Lower Lark Formation Cenozoic 1205.000 1179.991 BGS LithoStrat Upper
Horda Formation Cenozoic 1460.000 1434.977 BGS LithoStrat Upper
Belton Member 1542.000 1516.969 BGS LithoStrat Upper
Horda Formation Cenozoic 1563.000 1537.968 BGS LithoStrat Upper
Balder Cenozoic 2104.000 2078.909 BGS LithoStrat Upper
Sele Mesozoic 2142.000 2116.905 BGS LithoStrat Upper
Forties Sandstone Member Mesozoic 2225.000 2199.894 BGS LithoStrat Upper
Forties Shale Member Mesozoic 2347.000 2321.876 BGS LithoStrat Upper
Andrew Cenozoic 2381.000 2355.866 BGS LithoStrat Upper
Maureen Mesozoic 2682.000 2656.787 BGS LithoStrat Upper
Ekofisk Mesozoic 2807.000 2781.753 BGS LithoStrat Upper
Tor Mesozoic 2864.000 2838.737 BGS LithoStrat Upper
Flounder Mesozoic 3066.000 3040.656 BGS LithoStrat Upper
Herring Mesozoic 3554.000 3528.337 BGS LithoStrat Upper
Hidra Mesozoic 3709.000 3683.210 BGS LithoStrat Upper
Rodby Mesozoic 3805.000 3779.104 BGS LithoStrat Upper
Sola Formation 3844.000 3818.046 BGS LithoStrat Upper
Kopervik 3863.000 3837.016 BGS LithoStrat Upper
V5 Member 4031.000 4004.749 BGS LithoStrat Upper
V4 Member 4052.000 4025.690 BGS LithoStrat Upper
15/29b- 4Z Stronsay Cenozoic 1460.000 1434.977 Lloyds Register
Horda Cenozoic 1460.000 1434.977 Lloyds Register
Grid Sandstone Cenozoic 1542.000 1516.969 Lloyds Register
Balder Cenozoic 2103.000 2077.910 Lloyds Register
Moray Mesozoic 2103.000 2077.910 Lloyds Register
Balder Tuff Cenozoic 2104.000 2078.909 Lloyds Register
Sele Mesozoic 2142.000 2116.905 Lloyds Register
Forties Sandstone Mesozoic 2202.000 2176.897 Lloyds Register
Montrose Mesozoic 2353.000 2327.874 Lloyds Register
Lista Mesozoic 2353.000 2327.874 Lloyds Register
Fergie Sandstone 2381.000 2355.866 Lloyds Register
Balmoral Sandstone Cenozoic 2406.000 2380.859 Lloyds Register
Glamis Tuff 2438.000 2412.849 Lloyds Register
Andrew Sandstone Cenozoic 2451.000 2425.846 Lloyds Register
Maureen Mesozoic 2682.000 2656.787 Lloyds Register
Maureen Sandstone Mesozoic 2697.000 2671.784 Lloyds Register
Ekofisk Mesozoic 2807.000 2781.753 Lloyds Register
Chalk Mesozoic 2807.000 2781.753 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2864.000 2838.737 Lloyds Register
Cromer Knoll Mesozoic 3813.000 3787.093 Lloyds Register
Rodby Mesozoic 3813.000 3787.093 Lloyds Register
Sola 3844.000 3818.053 Lloyds Register
Britannia Sandstone Mesozoic 3863.000 3837.039 Lloyds Register
Valhall Mesozoic 4040.000 4013.960 Lloyds Register
Old Red Sandstone 4497.000 4467.044 Lloyds Register
Old Red Palaeozoic 4497.000 4467.044 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
15/29b- 4 0 0 0 24 24 5 3 0 0 View
15/29b- 4Z 6 12 8 10 26 3 0 0 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (38)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
15/29b- 4 Core #1 3894.12 3908.91 φ 11.0% (n=14) · Kh 0.4 mD (n=12) · Kv 0.3 mD (n=13) · So 18.8% (n=7) · Sw 62.3% (n=7) · Density 2.67 (n=14) · FSP 8.5 (n=8) · ROBERTSON RESEARCH INTERNATIONAL LIMITED FRAC; NO ANALYSIS REQUESTED; SHALE NO ANALYSIS | SLST, V. ARG, MOD IND, FRAC, CMN CARB, CL CALC.; SST, F, MOD ARG, LAMS, W.IND, CMN CALT, SL DOL.; SST, F, MOD ARG, V. IND, MOD CALC, LAMS.; SST, F, MOD ARG, W. IMND, SL CALT, TR CARB.; SST, F, MOD ARG, W. IND, SL CALC W/LAM.; SST, F, MOD ARG, W. IND, SL CALC.; SST, F, V. ARG, MOD IND, SL CALC, LAMS, FRAC.; SST, F, V. ARG, W. IND. CALT.; SST, F, V. ARG, W. IND. SL CALC.; SST, F-VF, SL ARG, W. IND, CMN CALC, MOD CARB, LAMS.; SST, MED, MOD ARG, W. IND, SL CALC. .
15/29b- 4 ↳ Plug 01 3894.155 -- φ 16.2% · Kh 0.4 mD · Kv 0.6 mD · So 16.1% · Sw 59.7% · Density 2.66 · FSP 16.3 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, F, MOD ARG, W. IND, SL CALC. --
15/29b- 4 ↳ Plug 02 3894.43 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 03 3894.734 -- φ 15.0% · Kh 0.5 mD · Kv 0.4 mD · Density 2.66 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, F, MOD ARG, W. IND, SL CALC. --
15/29b- 4 ↳ Plug 04 3895.039 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 05 3895.344 -- φ 15.6% · Kh 1.1 mD · Kv 0.3 mD · Density 2.66 · FSP 10.8 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, F, MOD ARG, W. IND, SL CALC W/LAM. --
15/29b- 4 ↳ Core Plug #1 3895.649 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Core Plug #1 3895.954 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 08 3896.121 -- φ 18.5% · Kh 1.3 mD · Kv 1.2 mD · Density 2.66 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, MED, MOD ARG, W. IND, SL CALC. --
15/29b- 4 ↳ Plug 09 3896.533 -- φ 13.1% · Kh 0.4 mD · Kv 0.2 mD · Density 2.67 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, F, MOD ARG, W. IMND, SL CALT, TR CARB. --
15/29b- 4 ↳ Plug 10 3896.868 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 11 3897.173 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED SHALE NO ANALYSIS --
15/29b- 4 ↳ Plug 12 3897.478 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 13 3897.767 -- φ 11.2% · Kh 0.1 mD · Kv 0.1 mD · So 17.4% · Sw 71.3% · Density 2.67 · FSP 10.8 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, F, MOD ARG, V. IND, MOD CALC, LAMS. --
15/29b- 4 ↳ Plug 14 3898.087 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 15 3898.392 -- φ 7.8% · Kh 0.1 mD · Kv 0.1 mD · Density 2.66 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, F, MOD ARG, V. IND, MOD CALC, LAMS. --
15/29b- 4 ↳ Plug 16 3898.834 -- So 17.7% · Sw 65.0% · FSP 6.8 · ROBERTSON RESEARCH INTERNATIONAL LIMITED -- --
15/29b- 4 ↳ Plug 17 3899.002 -- φ 8.0% · Kh 0.2 mD · Density 2.66 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, F, V. ARG, W. IND. SL CALC. --
15/29b- 4 ↳ Plug 18 3899.306 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 19 3899.611 -- φ 12.4% · Kh 0.3 mD · Kv 0.5 mD · Density 2.66 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, F, V. ARG, W. IND. CALT. --
15/29b- 4 ↳ Plug 20 3899.916 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 21 3900.221 -- φ 14.2% · Kh 0.4 mD · Kv 0.4 mD · So 27.5% · Sw 41.3% · Density 2.66 · FSP 11.1 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, F, V. ARG, W. IND. CALT. --
15/29b- 4 ↳ Plug 22 3900.526 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 23 3900.83 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED SHALE NO ANALYSIS --
15/29b- 4 ↳ Plug 24 3901.135 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 25 3901.44 -- φ 8.8% · Kv 0.1 mD · So 12.0% · Sw 75.4% · Density 2.63 · FSP 5.9 · ROBERTSON RESEARCH INTERNATIONAL LIMITED FRAC | SLST, V. ARG, MOD IND, FRAC, CMN CARB, CL CALC. --
15/29b- 4 ↳ Plug 26 3901.745 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 27 3902.05 -- φ 6.5% · Kv 0.2 mD · Density 2.68 · ROBERTSON RESEARCH INTERNATIONAL LIMITED FRAC | SST, F, V. ARG, MOD IND, SL CALC, LAMS, FRAC. --
15/29b- 4 ↳ Core Plug #1 3902.354 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Core Plug #1 3902.659 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED NO ANALYSIS REQUESTED --
15/29b- 4 ↳ Plug 30 3902.873 -- φ 2.1% · Kh 0.0 mD · Kv 0.0 mD · So 23.1% · Sw 66.0% · Density 2.78 · FSP 3.2 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, F, MOD ARG, LAMS, W.IND, CMN CALT, SL DOL. --
15/29b- 4 ↳ Core Plug #1 3903.269 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED SHALE NO ANALYSIS --
15/29b- 4 ↳ Core Plug #1 3906.012 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED SHALE NO ANALYSIS --
15/29b- 4 ↳ Plug 41 3906.317 -- φ 4.0% · Kh 0.0 mD · Kv 0.0 mD · So 17.9% · Sw 57.2% · Density 2.69 · FSP 2.9 · ROBERTSON RESEARCH INTERNATIONAL LIMITED SST, F-VF, SL ARG, W. IND, CMN CALC, MOD CARB, LAMS. --
15/29b- 4 ↳ Core Plug #1 3906.622 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED SHALE NO ANALYSIS --
15/29b- 4 ↳ Core Plug #1 3908.755 -- ROBERTSON RESEARCH INTERNATIONAL LIMITED SHALE NO ANALYSIS --
15/29b- 4 Core #2 4507.38 4523.54 -- -- .
15/29b- 4 Core #3 4523.84 4545.33 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
15/29b- 4 97.8407974243164 4113.5810546875 9 0 2026-08-06 17:02:02.731475+00 View Log
15/29b- 4Z 3778.910400390625 4645.15185546875 10 0 2026-08-06 17:02:07.970195+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
15/29b- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density ZDEN CGG Digital Well Logs 724.3572 4106.8752 22196
caliper CAL CGG Digital Well Logs 724.5096000000001 4107.3324 22198
caliper CALI OGA Batch Unzipped 743.712 4113.580800000001 22113
comp_sonic AC CGG Digital Well Logs 723.7476 4102.4556 22040
deep_resistivity RILD CGG Digital Well Logs 724.662 4108.2468 22106
deep_resistivity RES_DEP OGA Batch Unzipped 743.712 4116.019200000001 22129
density_correction ZCOR CGG Digital Well Logs 724.3572 4106.8752 22196
gamma_ray GR CGG Digital Well Logs 97.8408 4098.798 26254
gamma_ray GRD CGG Digital Well Logs 702.2592000000001 4095.9024000000004 22269
med_resistivity RES_MED OGA Batch Unzipped 743.712 4116.019200000001 22129
med_resistivity RILM CGG Digital Well Logs 724.8144000000001 4109.6184 22103
neutron_por CNC CGG Digital Well Logs 724.8144000000001 4101.084 22119
pef PE OGA Batch Unzipped 743.712 4113.580800000001 22113
potassium K CGG Digital Well Logs 702.4116 4095.75 22267
thorium TH CGG Digital Well Logs 702.5640000000001 4096.0548 22268
15/29b- 4Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density ZDEN CGG Digital Well Logs 3794.76 4643.628000000001 5556
bulk_density DEN OGA Batch Unzipped 3795.5220000000004 4645.152 5576
caliper CALI OGA Batch Unzipped 3778.9104 4645.152 5685
caliper CAL CGG Digital Well Logs 3794.76 4643.628000000001 5481
comp_sonic AC CGG Digital Well Logs 3783.6348000000003 4635.8556 5567
deep_resistivity RILD CGG Digital Well Logs 3789.8832 4641.4944000000005 5564
deep_resistivity RES_DEP OGA Batch Unzipped 3778.9104 4645.152 5685
density_correction DENC OGA Batch Unzipped 3795.5220000000004 4645.152 5576
density_correction ZCOR CGG Digital Well Logs 3794.6076000000003 4643.628000000001 5556
gamma_ray GRD CGG Digital Well Logs 3794.6076000000003 4638.1416 5536
gamma_ray GR CGG Digital Well Logs 3778.9104 4638.1416 5639
med_resistivity RES_MED OGA Batch Unzipped 3778.9104 4645.152 5685
med_resistivity RILM CGG Digital Well Logs 3790.7976000000003 4642.4088 5564
neutron_por CNC CGG Digital Well Logs 3794.9124 4637.6844 5458
pef PE OGA Batch Unzipped 3795.5220000000004 4645.152 5576
potassium K CGG Digital Well Logs 3794.3028000000004 4638.294 5539
sp SP OGA Batch Unzipped 3778.9104 4645.152 5685
thorium TH CGG Digital Well Logs 3794.1504 4638.1416 5539

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
15/29b- 4 44 4115.714 4088.794 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_15\15_29b- 4\WELL_PATH\WDD_QC\15_29b-_4_wdd_WDD_FILE_1690306_DATACO_MAPPED.csv
15/29b- 4Z 56 4646.981 4613.751 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_15\15_29b- 4Z\WELL_PATH\WDD_QC\15_29b-_4Z_wdd_WDD_FILE_1690307_DATACO_MAPPED.csv

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