Well Data Manager / Well Summary / 211/12a-M25

211/12a-M25

Present

Well Header

Well No

211/12a-M25

NSTA DEN No

5532

Well Name

Drill Seq No

Quadrant / Block

211 / 12 a

Surface Location

61.619564, 1.305894

Source Datum

ED50

Subsea Well

Platform

Slot No

A01

Operator

ENQUEST HEATHER LIMITED

Original Operator

Sub Area Operator

ENQUEST HEATHER LIMITED

Licence No

P193

Licence Type

Production

Spud Date

1995-05-21

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

211/12a-M25 Original parent: 211/12a-M15

Completed (Operating) View Log Survey

Current Intent

Development

Original Intent

Development

Flow Class

Oil Well

Dev Type

Producer

Convention

Primary Target

Well Seq

WB2

Datum Type

Kelly Bushing

Datum Elev (m)

56.998

Ground Elev (m)

Water Depth (m)

185.00

TD MD (m)

5376.000

TD TVDSS (m)

3112.008

TD Datum Depth (m)

56.998

TD Datum Type

Rotary Table

Spud Date

1995-05-21

TD Reached

1995-05-25

Completion Date

1995-06-17

Release Date

1999-06-17

211/12a-M25Z Sidetrack Z parent: 211/12a-M15

Abandoned Phase 1 View Log Interpreted Data Survey

Current Intent

Development

Original Intent

Development

Flow Class

Oil Well

Dev Type

Producer

Convention

Primary Target

Well Seq

WB3

Datum Type

Rotary Table

Datum Elev (m)

56.998

Ground Elev (m)

Water Depth (m)

185.00

TD MD (m)

4470.000

TD TVDSS (m)

3089.230

TD Datum Depth (m)

56.998

TD Datum Type

Rotary Table

Spud Date

2004-05-01

TD Reached

2004-05-22

Completion Date

2004-06-28

Release Date

2008-06-28

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
211/12a-M25	0	0	0	0	0	0	0	0	0
211/12a-M25Z	0	0	0	0	0	0	0	1	0	View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (1)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
211/12a-M25Z	Cuttings	4240.0	4468.0	--	--	wet samples

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
211/12a-M25	4322.978515625	5387.1875	11	0	2026-08-08 01:14:59.84634+00	View Log
211/12a-M25Z	4250.58837890625	4449.77294921875	2	0	2026-08-06 10:45:26.281305+00	View Log

Source LAS Manifest (Best Curve per Type)

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211/12a-M25

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	CDEN	Energective CorrectedLOGS	4611.3156948	5387.174646	5092
caliper	CLD	Energective CorrectedLOGS	5130.53618544	5375.4399984	1581
comp_sonic	DTC	Energective CorrectedLOGS	4612.3824643200005	5362.4861508	4923
comp_sonic	DT	OGA Batch Unzipped	4612.36247	5362.47526	4923
deep_resistivity	CRSD	Energective CorrectedLOGS	5130.38378544	5375.5923984	1610
density_correction	CDRH	Energective CorrectedLOGS	4611.3156948	5387.174646	5092
density_correction	DENC	OGA Batch Unzipped	4597.88447	5387.16406	5180
gamma_ray	GRI	Energective CorrectedLOGS	4322.9784	5379.097567920001	6931
neutron_por	CNEU	Energective CorrectedLOGS	4598.0570472	5375.7447984	5104
porosity	PHIT	OGA Batch Unzipped	4613.27687	5374.97206	4999
tvdss	SS	Energective CorrectedLOGS	4322.6736	5387.327046	6987
vshale	VSH	OGA Batch Unzipped	4613.27687	5374.97206	4999
water_sat	SWT	OGA Batch Unzipped	5130.37006	5374.97206	1606

211/12a-M25Z

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
gamma_ray	GRI	Energective CorrectedLOGS	4250.588400000001	4449.7727616	1287
tvdss	SS	Energective CorrectedLOGS	4250.436000000001	4449.7727616	1309
vshale	VSGR	Energective CorrectedLOGS	4251.0456	4449.7727616	1284
vshale	VSH	Energective CorrectedLOGS	4251.0456	4449.7727616	1284

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
211/12a-M25	181	5376.000	2870.115	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_12a-M25\WELL_PATH\WDD_QC\211_12a-M25_wdd_WDD_FILE_1683591_DATACO_MAPPED.csv
211/12a-M25Z	143	4470.000	2847.777	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_12a-M25Z\WELL_PATH\WDD_QC\211_12a-M25Z_wdd_WDD_FILE_1680565_DATACO_MAPPED.csv

211/12a-M25

Well Header

Wellbores (2)

Formation Tops (0)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (0)

Rock Samples (1)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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