Well Data Manager / Well Summary / 9/18b- 20

9/18b- 20

Decommissioned

Well Header

Well No
9/18b- 20
NSTA DEN No
3861
Well Name
--
Drill Seq No
20
Quadrant / Block
9 / 18 b
Surface Location
59.342898, 1.532101
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED
Original Operator
--
Sub Area Operator
NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED
Licence No
P496
Licence Type
Production
Spud Date
1989-10-11
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

9/18b- 20 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil and Gas Shows
Dev Type
--
Convention
--
Primary Target
R
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
112.78
TD MD (m)
2086.356
TD TVDSS (m)
2059.693
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1989-10-11
TD Reached
1989-10-12
Completion Date
1989-11-02
Release Date
1993-11-02

Formation Tops (15)

Wellbore Formation Era MD (m) TVDSS (m) Provider
9/18b- 20 Hordaland Cenozoic 138.000 113.006 BGS LithoStrat Upper
Hordaland Cenozoic 427.000 402.006 BGS LithoStrat Upper
Hordaland Cenozoic 512.000 487.002 BGS LithoStrat Upper
Hordaland Cenozoic 805.000 779.991 BGS LithoStrat Upper
Hordaland Cenozoic 1180.000 1154.979 BGS LithoStrat Upper
Hordaland Cenozoic 1469.000 1443.957 BGS LithoStrat Upper
Siltstone Unit 1614.000 1588.938 BGS LithoStrat Upper
Unknown 1768.000 1742.912 BGS LithoStrat Upper
Unknown 1786.000 1760.907 BGS LithoStrat Upper
Unknown 1820.000 1794.899 BGS LithoStrat Upper
B1 Massive Tuff Member 1860.000 1834.890 BGS LithoStrat Upper
Sele Mesozoic 1878.000 1852.886 BGS LithoStrat Upper
Sele Sandstone Member 1910.000 1884.880 BGS LithoStrat Upper
Sele Mesozoic 1935.000 1909.876 BGS LithoStrat Upper
Lista Mesozoic 2028.000 2002.865 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
9/18b- 20 0 0 0 15 15 0 7 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (49)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
9/18b- 20 Cuttings 445.01 2086.36 -- -- .
9/18b- 20 Core #1 1648.36 1665.88 φ 35.8% (n=2) · Kh 4040.0 mD (n=2) · So 21.9% (n=1) · Sw 28.2% (n=1) · Density 2.65 (n=2) · THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS .
9/18b- 20 ↳ Core Plug #1 1664.818 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Plug 56 1665.092 -- φ 35.4% · Kh 2460.0 mD · Density 2.65 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Plug 57 1665.458 -- φ 36.1% · Kh 5620.0 mD · So 21.9% · Sw 28.2% · Density 2.64 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 Core #2 1666.34 1684.02 φ 32.8% (n=6) · Kh 3250.0 mD (n=6) · So 36.0% (n=1) · Sw 20.2% (n=1) · Density 2.81 (n=6) · THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS .
9/18b- 20 ↳ Core Plug #2 1666.342 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Core Plug #2 1669.39 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Plug 70 1669.633 -- φ 32.7% · Kh 3130.0 mD · Density 2.64 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Core Plug #2 1669.999 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Core Plug #2 1670.609 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Plug 74 1670.822 -- φ 34.3% · Kh 3430.0 mD · Density 3.65 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Core Plug #2 1671.218 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Core Plug #2 1672.438 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Plug 80 1672.849 -- φ 31.7% · Kh 1540.0 mD · Density 2.64 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Core Plug #2 1673.047 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Core Plug #2 1677.01 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Plug 95 1677.421 -- φ 35.1% · Kh 3430.0 mD · So 36.0% · Sw 20.2% · Density 2.64 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Plug 96 1677.619 -- φ 33.3% · Kh 5230.0 mD · Density 2.64 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Core Plug #2 1677.924 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Core Plug #2 1683.106 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Plug 115 1683.426 -- φ 29.4% · Kh 2740.0 mD · Density 2.66 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Core Plug #2 1684.02 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 Core #3 1684.02 1702.31 THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS .
9/18b- 20 ↳ Core Plug #3 1684.02 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Core Plug #3 1702.003 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Core Plug #3 1702.308 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 Core #4 1702.31 1720.14 THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS .
9/18b- 20 ↳ Core Plug #4 1719.986 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 Core #5 1720.14 1738.27 φ 33.7% (n=1) · Kh 3530.0 mD (n=1) · Density 2.65 (n=1) · THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS .
9/18b- 20 ↳ Core Plug #5 1720.291 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Core Plug #5 1725.778 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Plug 255 1726.052 -- φ 33.7% · Kh 3530.0 mD · Density 2.65 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Core Plug #5 1726.387 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Core Plug #5 1737.97 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 Core #6 1738.27 1755.34 φ 33.8% (n=5) · Kh 4420.0 mD (n=5) · So 66.5% (n=1) · Sw 8.5% (n=1) · Density 2.64 (n=5) · THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS .
9/18b- 20 ↳ Core Plug #6 1738.274 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Core Plug #6 1739.189 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Plug 299 1739.555 -- φ 35.0% · Kh 4380.0 mD · Density 2.64 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Core Plug #6 1739.798 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Plug 302 1740.438 -- φ 35.4% · Kh 6400.0 mD · So 66.5% · Sw 8.5% · Density 2.65 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Plug 303 1740.652 -- φ 35.1% · Kh 5990.0 mD · Density 2.64 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Core Plug #6 1741.018 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Core Plug #6 1741.627 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Plug 307 1741.978 -- φ 31.4% · Kh 2520.0 mD · Density 2.64 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Core Plug #6 1742.237 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 ↳ Plug 317 1744.965 -- φ 32.0% · Kh 2810.0 mD · Density 2.65 · THE ROBERTSON GROUP PLC -- --
9/18b- 20 ↳ Core Plug #6 1745.285 -- THE ROBERTSON GROUP PLC CLAYSTONE NO ANALYSIS --
9/18b- 20 Core #7 1756.26 1772.41 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/18b- 20 410.7179870605469 2083.917724609375 15 0 2026-08-06 15:57:18.728157+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/18b- 20
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
apparent_water_resistivity RWA Energective CorrectedLOGS 428.244 2058.3144 2771
bulk_density DEN OGA Batch Unzipped 1373.4288000000001 2083.0032 4657
bulk_density RHOB CGG Digital Well Logs 1373.4288000000001 2080.1076000000003 4638
bulk_density CDEN Energective CorrectedLOGS 1373.4288000000001 2080.7172 4642
caliper CLD Energective CorrectedLOGS 427.0248 2081.3268000000003 8076
caliper CALI CGG Digital Well Logs 425.8056 2080.26 7934
comp_sonic DTC Energective CorrectedLOGS 444.09360000000004 2068.2204 10658
comp_sonic DT CGG Digital Well Logs 426.2628 2068.3728 10732
deep_resistivity RES_DEP OGA Batch Unzipped 428.244 2083.4604 10862
deep_resistivity IDPH CGG Digital Well Logs 1731.4164 1778.3556 309
deep_resistivity ILD Energective CorrectedLOGS 428.244 2079.0408 10833
density_correction CDRH Energective CorrectedLOGS 1373.4288000000001 2083.0032 4657
density_correction DENC OGA Batch Unzipped 1373.4288000000001 2083.0032 4657
density_correction DRHO CGG Digital Well Logs 1373.4288000000001 2080.1076000000003 4638
gamma_ray GRLW Energective CorrectedLOGS 902.6652 2075.9928 7700
gamma_ray SGR CGG Digital Well Logs 1373.4288000000001 2071.7256 4583
gamma_ray GR CGG Digital Well Logs 134.112 2071.7256 12715
gamma_ray GRI Energective CorrectedLOGS 410.718 2073.402 10911
gamma_ray CGR CGG Digital Well Logs 1373.4288000000001 2071.7256 4583
med_resistivity RES_MED OGA Batch Unzipped 427.3296 2083.4604 10868
med_resistivity ILM Energective CorrectedLOGS 428.244 2079.0408 10833
med_resistivity IMPH CGG Digital Well Logs 1731.2640000000001 1777.1364 302
micro_resistivity MSF Energective CorrectedLOGS 428.244 929.3352000000001 3289
neutron_por NEU OGA Batch Unzipped 1373.4288000000001 2083.0032 4657
neutron_por NPHI CGG Digital Well Logs 1373.4288000000001 2075.688 4609
neutron_por CNEU Energective CorrectedLOGS 1373.4288000000001 2076.1452 4612
pef CPEF Energective CorrectedLOGS 1373.4288000000001 2081.784 4649
pef PEF CGG Digital Well Logs 1373.4288000000001 2080.1076000000003 4638
porosity POR Energective CorrectedLOGS 428.244 2073.402 10796
shallow_resistivity SFL Energective CorrectedLOGS 428.244 949.6044 3422
sp SP Energective CorrectedLOGS 427.1772 2083.9176 10868
thorium THOR CGG Digital Well Logs 1373.4288000000001 2071.7256 4583
tvdss SS Energective CorrectedLOGS 304.8 2084.2224 11677
uranium URAN CGG Digital Well Logs 1373.4288000000001 2071.878 4584
vshale VSGR Energective CorrectedLOGS 410.718 2073.402 10911
vshale VSH Energective CorrectedLOGS 410.718 2073.402 10911
water_sat SW Energective CorrectedLOGS 428.244 2073.402 10796
water_sat_xo SXO Energective CorrectedLOGS 428.244 2073.402 10796

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/18b- 20 74 2086.295 2061.156 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_18b- 20\WELL_PATH\WDD_QC\9_18b-_20_wdd_WDD_FILE_208920280_DATACO_MAPPED.csv

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