Well Data Manager / Well Summary / 15/21a-A7

15/21a-A7

Present

Well Header

Well No
15/21a-A7
NSTA DEN No
5133
Well Name
--
Drill Seq No
7
Quadrant / Block
15 / 21 a
Surface Location
58.284370, 0.170112
Source Datum
ED50
Subsea Well
Yes
Platform
A
Slot No
AB
Operator
CNOOC PETROLEUM EUROPE LIMITED
Original Operator
--
Sub Area Operator
CNOOC PETROLEUM EUROPE LIMITED
Licence No
P218
Licence Type
Production
Spud Date
1993-12-11
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

15/21a-A7 Original
Completed (Shut In) View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Injector
Convention
--
Primary Target
B
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
26.213
Ground Elev (m)
--
Water Depth (m)
140.21
TD MD (m)
4699.100
TD TVDSS (m)
4373.377
TD Datum Depth (m)
26.213
TD Datum Type
Kelly Bushing
Spud Date
1993-12-11
TD Reached
1994-02-07
Completion Date
1994-02-26
Release Date
1998-02-26

Formation Tops (0)

No formation tops ingested for this well.

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
15/21a-A7 0 0 0 0 0 0 9 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (10)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
15/21a-A7 Cuttings 502.92 4696.97 -- -- gap 2550 - 10020 ft
15/21a-A7 Core #1 4360.47 4388.39 -- -- --
15/21a-A7 Core #2 4388.21 4390.4 -- -- --
15/21a-A7 Core #3 4391.56 4405.46 -- -- --
15/21a-A7 Core #4 4437.58 4443.25 -- -- --
15/21a-A7 Core #5 4443.98 4463.7 -- -- --
15/21a-A7 Core #6 4464.1 4483.79 -- -- --
15/21a-A7 Core #7 4483.61 4497.02 -- -- --
15/21a-A7 Core #8 4497.02 4504.03 -- -- --
15/21a-A7 Core #9 4522.62 4544.87 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
15/21a-A7 1510.2840576171875 4698.796875 10 0 2026-08-06 08:25:02.960129+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
15/21a-A7
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 1510.284 4692.396000000001 20871
caliper CALI OGA Batch Unzipped 1510.284 4691.9388 20858
comp_sonic DT OGA Batch Unzipped 1510.284 4698.7968 20850
deep_resistivity RES_DEP OGA Batch Unzipped 1510.284 4697.8824 20907
density_correction DENC OGA Batch Unzipped 1510.284 4692.396000000001 20871
gamma_ray GR OGA Batch Unzipped 1510.284 4698.7968 20913
med_resistivity RES_MED OGA Batch Unzipped 3618.5856000000003 4698.7968 7084
neutron_por NEU OGA Batch Unzipped 1510.284 4687.062 20836
shallow_resistivity RES_SLW OGA Batch Unzipped 1510.284 4417.0092 10786
sp SP OGA Batch Unzipped 1510.284 4698.7968 20893

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
15/21a-A7 604 4699.102 4373.395 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_15\15_21a-A7\WELL_PATH\WDD_QC\15_21a-A7_wdd_WDD_FILE_1678382_DATACO_MAPPED.csv

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