Well Data Manager / Well Summary / 211/21-N77

211/21-N77

Present

Well Header

Well No
211/21-N77
NSTA DEN No
8438
Well Name
--
Drill Seq No
77
Quadrant / Block
211 / 21
Surface Location
61.239981, 1.147789
Source Datum
ED50
Subsea Well
Unknown
Platform
N
Slot No
15
Operator
--
Original Operator
--
Sub Area Operator
TAQA BRATANI LIMITED
Licence No
P258
Licence Type
Production
Spud Date
2002-11-03
Source File
UKCS_Wells_ConvtoWGS84.shp
Imported
2026-05-22 15:28

Wellbores (3)

211/21-N77J Sidetrack J parent: 211/21-N12
Abandoned Phase 2 Survey
Current Intent
Development
Original Intent
Development
Flow Class
--
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
50.902
Ground Elev (m)
--
Water Depth (m)
160.94
TD MD (m)
6038.698
TD TVDSS (m)
--
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
2002-10-03
TD Reached
2002-10-06
Completion Date
2002-11-03
Release Date
2006-11-03
211/21-N77 Sidetrack R parent: 211/21-N77J
Abandoned Phase 2 View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
T43
Well Seq
WB4
Datum Type
Kelly Bushing
Datum Elev (m)
50.902
Ground Elev (m)
--
Water Depth (m)
160.94
TD MD (m)
5354.182
TD TVDSS (m)
2879.581
TD Datum Depth (m)
50.902
TD Datum Type
Kelly Bushing
Spud Date
2002-11-03
TD Reached
2002-12-13
Completion Date
2003-01-06
Release Date
2007-01-06
211/21-N77Z Sidetrack Z parent: 211/21-N77
Abandoned Phase 2 View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
S5
Well Seq
WB5
Datum Type
Kelly Bushing
Datum Elev (m)
50.902
Ground Elev (m)
--
Water Depth (m)
160.94
TD MD (m)
5402.036
TD TVDSS (m)
2839.472
TD Datum Depth (m)
50.902
TD Datum Type
Rotary Table
Spud Date
2013-05-11
TD Reached
2013-06-07
Completion Date
2013-07-07
Release Date
2017-07-07

Formation Tops (17)

Wellbore Formation Era MD (m) TVDSS (m) Provider
211/21-N77 Unknown 212.000 161.095 BGS LithoStrat Upper
Unknown 4473.000 2270.214 BGS LithoStrat Upper
Unknown 4482.000 2273.539 BGS LithoStrat Upper
Kyrre Formation Mesozoic 4557.000 2301.730 BGS LithoStrat Upper
Macbeth Formation Mesozoic 5044.000 2618.881 BGS LithoStrat Upper
Cromer Knoll Mesozoic 5086.000 2653.161 BGS LithoStrat Upper
Kimmeridge Clay 5103.000 2667.471 BGS LithoStrat Upper
Upper Heather 5127.000 2687.817 BGS LithoStrat Upper
Middle Heather 5154.000 2710.712 BGS LithoStrat Upper
Lower Heather 5167.000 2721.720 BGS LithoStrat Upper
Ness Mesozoic 5186.000 2737.791 BGS LithoStrat Upper
Etive Mesozoic 5244.000 2787.197 BGS LithoStrat Upper
Rannoch Mesozoic 5264.000 2804.213 BGS LithoStrat Upper
Broom Mesozoic 5292.000 2827.698 BGS LithoStrat Upper
Drake Mesozoic 5305.000 2838.546 BGS LithoStrat Upper
Cook Mesozoic 5312.000 2844.373 BGS LithoStrat Upper
Burton Mesozoic 5325.000 2855.192 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
211/21-N77 0 0 0 17 17 0 0 0 0 View
211/21-N77J 0 0 0 0 0 0 0 0 0
211/21-N77Z 0 0 0 0 0 0 0 0 0

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
211/21-N77 Oil OW Ness Formation 5186.4768 -- 58 m thick

Rock Samples (0)

No cuttings, core, or plug samples recorded for this well.

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
211/21-N77 2057.400146484375 6018.8857421875 9 0 2026-08-06 17:33:50.003391+00 View Log
211/21-N77Z 4800.60009765625 5397.24609375 12 0 2026-08-06 11:17:05.244654+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
211/21-N77
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density HRHO Energective CorrectedLOGS 4500.9816 5196.078 4562
bulk_density DEN OGA Batch Unzipped 4480.56 5305.348800000001 5413
bulk_density LRHO Energective CorrectedLOGS 4482.084 5305.348800000001 5403
bulk_density LDL Energective CorrectedLOGS 4552.6452 6011.5704000000005 7836
caliper CLD Energective CorrectedLOGS 4480.56 6012.18 7654
caliper CALI OGA Batch Unzipped 4480.56 5197.1448 4703
deep_resistivity RES_DEP OGA Batch Unzipped 2057.4 6018.8856000000005 25973
density_correction LDRH Energective CorrectedLOGS 4482.084 5196.5352 4689
density_correction DRH Energective CorrectedLOGS 4491.0756 6011.5704000000005 7577
density_correction DENC OGA Batch Unzipped 4480.56 5196.5352 4699
gamma_ray GR OGA Batch Unzipped 4480.56 5335.3716 5610
gamma_ray GRI Energective CorrectedLOGS 2057.4 6018.733200000001 25971
gamma_ray GRLW Energective CorrectedLOGS 4480.56 5335.3716 5610
gamma_ray GRD Energective CorrectedLOGS 4457.0904 5197.906800000001 4862
med_resistivity RES_MED OGA Batch Unzipped 4480.56 5337.5052000000005 5624
neutron_por LTNP Energective CorrectedLOGS 4480.56 5304.4344 5407
neutron_por NEU OGA Batch Unzipped 4480.56 5305.348800000001 5413
neutron_por TNPH Energective CorrectedLOGS 4480.56 6010.656 8323
pef LPEF Energective CorrectedLOGS 4482.084 5196.5352 4689
pef PEF Energective CorrectedLOGS 4551.7308 5196.5352 4232
rate_of_penetration ROP Energective CorrectedLOGS 2062.8864000000003 5577.6876 23060
tvdss SS Energective CorrectedLOGS 2057.4 6018.8856000000005 25995
vshale VSGR Energective CorrectedLOGS 4499.457600000001 5335.3716 5486
vshale VSH Energective CorrectedLOGS 4499.457600000001 5335.3716 5486
211/21-N77Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density CDEN Energective CorrectedLOGS 4813.554 5303.215200000001 3214
bulk_density DEN OGA Batch Unzipped 4800.6 5394.96 3901
bulk_density LRHO Energective CorrectedLOGS 4813.7064 5303.215200000001 3213
caliper CALI OGA Batch Unzipped 4781.0928 5303.215200000001 3427
caliper CLD Energective CorrectedLOGS 4814.1636 5303.215200000001 3208
comp_sonic DTC Energective CorrectedLOGS 4810.3536 5309.4636 3276
comp_sonic DT OGA Batch Unzipped 4810.3536 5309.4636 3276
deep_resistivity RES_DEP OGA Batch Unzipped 4813.0968 5397.246 3834
deep_resistivity CRSD Energective CorrectedLOGS 4813.0968 5397.246 3834
density_correction CDRH Energective CorrectedLOGS 4814.0112 5303.215200000001 3211
density_correction DENC OGA Batch Unzipped 4800.6 5303.215200000001 3295
density_correction LDRH Energective CorrectedLOGS 4800.6 5303.215200000001 3295
gamma_ray GRI Energective CorrectedLOGS 4814.0112 5333.0856 3407
gamma_ray GRLW Energective CorrectedLOGS 4807.4580000000005 5332.7808 3448
gamma_ray GR OGA Batch Unzipped 4810.6584 5394.96 3835
med_resistivity RES_MED OGA Batch Unzipped 4813.0968 5397.0936 3833
neutron_por TNPH Energective CorrectedLOGS 4800.6 5302.1484 3292
neutron_por LTNP Energective CorrectedLOGS 4800.6 5302.3008 3293
neutron_por NEU OGA Batch Unzipped 4800.6 5394.96 3901
pef CPEF Energective CorrectedLOGS 4815.5352 5303.215200000001 3201
pef LPEF Energective CorrectedLOGS 4815.3828 5303.215200000001 3202
porosity PHIE OGA Batch Unzipped 5307.787200000001 5394.96 573
shear_sonic DTS Energective CorrectedLOGS 4811.4204 5309.3112 3268
tvdss SS Energective CorrectedLOGS 4800.6 5397.3984 3917
vshale VSH Energective CorrectedLOGS 4814.0112 5332.6284000000005 3404
vshale VSGR Energective CorrectedLOGS 4814.0112 5332.6284000000005 3404
water_sat SW OGA Batch Unzipped 5307.787200000001 5394.8076 555

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
211/21-N77 580 5353.812 2879.287 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_21-N77\WELL_PATH\WDD_QC\211_21-N77_wdd_WDD_FILE_1673986_DATACO_MAPPED.csv
211/21-N77J 0 -- -- --
211/21-N77Z 0 -- -- --

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