Well Data Manager / Well Summary / 211/27-A20

211/27-A20

Decommissioned

Well Header

Well No
211/27-A20
NSTA DEN No
2556
Well Name
--
Drill Seq No
20
Quadrant / Block
211 / 27
Surface Location
61.106180, 1.307435
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
09
Operator
BRIDGE PETROLEUM 3 LIMITED
Original Operator
--
Sub Area Operator
BRIDGE PETROLEUM 3 LIMITED
Licence No
P184
Licence Type
Production
Spud Date
1984-11-28
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

211/27-A20 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Unknown
Dev Type
--
Convention
--
Primary Target
BB
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
59.131
Ground Elev (m)
--
Water Depth (m)
144.17
TD MD (m)
4215.384
TD TVDSS (m)
3525.008
TD Datum Depth (m)
59.131
TD Datum Type
Kelly Bushing
Spud Date
1984-11-28
TD Reached
1985-01-01
Completion Date
1985-01-23
Release Date
1989-01-23
211/27-A20Z Sidetrack Z parent: 211/27-A20
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
BB
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
59.131
Ground Elev (m)
--
Water Depth (m)
144.17
TD MD (m)
4319.321
TD TVDSS (m)
3564.331
TD Datum Depth (m)
59.131
TD Datum Type
Kelly Bushing
Spud Date
1985-01-23
TD Reached
1985-02-05
Completion Date
1985-02-24
Release Date
1989-02-24

Formation Tops (28)

Wellbore Formation Era MD (m) TVDSS (m) Provider
211/27-A20 Unknown 203.000 143.869 BGS LithoStrat Upper
Unknown 619.000 559.869 BGS LithoStrat Upper
Unknown 1409.000 1349.869 BGS LithoStrat Upper
Unknown 2027.000 1967.869 BGS LithoStrat Upper
Unknown 3509.000 3449.869 BGS LithoStrat Upper
Kimmeridge Clay 3885.000 3825.869 BGS LithoStrat Upper
Viking Formation 4008.000 3948.869 BGS LithoStrat Upper
Jurassic Upper Sand Mesozoic 4093.000 4033.869 BGS LithoStrat Upper
Brent Mesozoic 4097.000 4037.869 BGS LithoStrat Upper
Statfjord Mesozoic 4136.000 4076.869 BGS LithoStrat Upper
Statfjord Mesozoic 4143.000 4083.869 BGS LithoStrat Upper
Unknown 4150.000 4090.869 BGS LithoStrat Upper
211/27-A20Z Unknown 203.000 143.869 BGS LithoStrat Upper
Unknown 2003.000 1943.869 BGS LithoStrat Upper
Unknown 2027.000 1967.869 BGS LithoStrat Upper
Unknown 2067.000 2007.869 BGS LithoStrat Upper
Unknown 3575.000 3515.869 BGS LithoStrat Upper
Kimmeridge Clay 3986.000 3926.869 BGS LithoStrat Upper
Viking Formation 4091.000 4031.869 BGS LithoStrat Upper
Jurassic Upper Sand Mesozoic 4163.000 4103.869 BGS LithoStrat Upper
Upper Coal Series 4170.000 4110.869 BGS LithoStrat Upper
Persistent Shale Marker 4198.000 4138.869 BGS LithoStrat Upper
Lower Coal Series 4205.000 4145.869 BGS LithoStrat Upper
Jurassic Massive Sand 4231.000 4171.869 BGS LithoStrat Upper
Jurassic Mica Sand 4246.000 4186.869 BGS LithoStrat Upper
Jurassic Basal Sand 4263.000 4203.869 BGS LithoStrat Upper
Dunlin Mesozoic 4268.000 4208.869 BGS LithoStrat Upper
Unknown 4288.000 4228.869 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
211/27-A20 0 0 0 12 12 0 0 1 0 View
211/27-A20Z 0 0 0 16 16 0 0 1 0 View

Hydrocarbon Occurrence (24)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
211/27-A20 Gas shows GS * 618.744 -- 790 m thick
211/27-A20 Gas shows GS * 1409.0904 -- 618 m thick
211/27-A20 Gas shows GS * 2026.92 -- 1482 m thick
211/27-A20 Gas shows GS * 3508.8576000000003 -- 376 m thick
211/27-A20 Gas shows GS Kimmeridge Clay Formation 3884.6760000000004 -- 123 m thick
211/27-A20 Gas shows GS Viking Bank Formation 4008.1200000000003 -- 84 m thick
211/27-A20 Gas shows GS BUS 4092.5496000000003 -- 4 m thick
211/27-A20 Oil O Brent Group 4096.512000000001 -- 40 m thick
211/27-A20 Oil O Statfjord Formation 4136.4408 -- 6 m thick
211/27-A20 Oil O Statfjord Formation 4142.841600000001 -- 7 m thick
211/27-A20 Gas shows GS * 4149.5472 -- 60 m thick
211/27-A20Z Gas shows GS * 2026.92 -- 40 m thick
211/27-A20Z Gas shows GS * 2066.5440000000003 -- 1508 m thick
211/27-A20Z Gas shows GS * 3574.9992 -- 411 m thick
211/27-A20Z Gas shows GS Kimmeridge Clay Formation 3986.1744000000003 -- 105 m thick
211/27-A20Z Gas shows GS Viking Bank Formation 4090.7208 -- 72 m thick
211/27-A20Z Oil O BUS 4162.9584 -- 7 m thick
211/27-A20Z Oil O Upper Coal "Series" [Obsolete] 4169.664 -- 29 m thick
211/27-A20Z Oil O NLCS 4205.0208 -- 26 m thick
211/27-A20Z Oil O BMSD 4230.624 -- 16 m thick
211/27-A20Z Oil O BMCS 4246.4736 -- 16 m thick
211/27-A20Z Oil O BBSD 4262.628000000001 -- 5 m thick
211/27-A20Z Gas shows GS Dunlin Group 4267.504800000001 -- 20 m thick
211/27-A20Z Gas shows GS * 4287.6216 -- 30 m thick

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
211/27-A20 Cuttings 3453.38 4215.38 -- -- .
211/27-A20Z Cuttings 3633.22 4319.02 -- -- sidetrack .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
211/27-A20 2018.080810546875 4215.38427734375 14 0 2026-08-06 11:32:43.881502+00 View Log
211/27-A20Z 2002.5360107421875 4328.16015625 12 0 2026-08-06 11:32:47.715761+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
211/27-A20
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 4091.0256000000004 4211.1168 789
bulk_density CDEN Energective CorrectedLOGS 4097.8836 4210.3548 739
caliper CALI OGA Batch Unzipped 4091.0256000000004 4211.1168 789
caliper CLD Energective CorrectedLOGS 4097.8836 4210.3548 739
comp_sonic DTC Energective CorrectedLOGS 2027.9868000000001 4200.6012 14257
comp_sonic DT OGA Batch Unzipped 2018.6904000000002 4207.6116 14290
deep_resistivity RES_DEP OGA Batch Unzipped 2018.6904000000002 4215.384 14410
deep_resistivity ILD Energective CorrectedLOGS 2027.9868000000001 4208.0688 14306
density_correction DENC OGA Batch Unzipped 4091.0256000000004 4211.1168 789
density_correction CDRH Energective CorrectedLOGS 4097.8836 4210.3548 739
gamma_ray GRI Energective CorrectedLOGS 2018.0808000000002 4208.983200000001 14377
gamma_ray GR OGA Batch Unzipped 2018.6904000000002 4209.8976 14320
med_resistivity RES_MED OGA Batch Unzipped 2018.6904000000002 4215.384 14409
med_resistivity ILM Energective CorrectedLOGS 2027.9868000000001 4210.3548 14321
neutron_por CNEU Energective CorrectedLOGS 4090.416 4204.106400000001 747
pef CPEF Energective CorrectedLOGS 4097.8836 4210.05 737
porosity PHIE OGA Batch Unzipped 4102.608 4151.376 321
shallow_resistivity RES_SLW OGA Batch Unzipped 2018.6904000000002 4215.384 14408
sp SP Energective CorrectedLOGS 2029.968 4210.3548 14308
tvdss SS Energective CorrectedLOGS 2018.0808000000002 4210.5072 14387
vshale VSH Energective CorrectedLOGS 2035.9116000000001 4208.830800000001 14259
vshale VSGR Energective CorrectedLOGS 2035.9116000000001 4208.830800000001 14259
vshale VCLAY OGA Batch Unzipped 4102.608 4151.376 321
water_sat SW OGA Batch Unzipped 4102.608 4151.376 321
211/27-A20Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density CDEN Energective CorrectedLOGS 4101.084 4328.16 1491
bulk_density DEN OGA Batch Unzipped 4101.6936000000005 4319.3208 1429
caliper CALI OGA Batch Unzipped 4101.6936000000005 4319.3208 1429
caliper CLD Energective CorrectedLOGS 4101.084 4323.2832 1459
comp_sonic DT OGA Batch Unzipped 2003.1456 4317.7968 15189
comp_sonic DTC Energective CorrectedLOGS 2064.5628 4306.519200000001 14712
deep_resistivity RES_DEP OGA Batch Unzipped 2003.1456 4319.3208 15199
deep_resistivity ILD Energective CorrectedLOGS 2058.924 4318.254 14826
density_correction DENC OGA Batch Unzipped 4101.6936000000005 4319.3208 1429
density_correction CDRH Energective CorrectedLOGS 4101.084 4328.16 1491
gamma_ray GR OGA Batch Unzipped 2003.1456 4319.3208 15199
gamma_ray GRI Energective CorrectedLOGS 2002.536 4319.3208 15203
med_resistivity ILM Energective CorrectedLOGS 2059.9908 4319.1684000000005 14825
med_resistivity RES_MED OGA Batch Unzipped 2003.1456 4319.3208 15199
neutron_por CNEU Energective CorrectedLOGS 4101.084 4322.3688 1453
pef CPEF Energective CorrectedLOGS 4101.084 4328.16 1491
shallow_resistivity RES_SLW OGA Batch Unzipped 2003.1456 4319.3208 15199
sp SP Energective CorrectedLOGS 2061.21 4328.16 14876
tvdss SS Energective CorrectedLOGS 2002.536 4328.464800000001 15263
vshale VSH Energective CorrectedLOGS 2069.1348000000003 4319.3208 14766
vshale VSGR Energective CorrectedLOGS 2069.1348000000003 4319.3208 14766

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
211/27-A20 0 -- -- --
211/27-A20Z 0 -- -- --

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