Well Data Manager / Well Summary / 15/21b- 49

15/21b- 49

Decommissioned

Well Header

Well No

15/21b- 49

NSTA DEN No

4912

Well Name

Drill Seq No

Quadrant / Block

15 / 21 b

Surface Location

58.328451, 0.061496

Source Datum

ED50

Subsea Well

Unknown

Platform

Slot No

Operator

SERICA ENERGY NORTE LIMITED

Original Operator

Sub Area Operator

SERICA ENERGY NORTE LIMITED

Licence No

P588

Licence Type

Production

Spud Date

1993-03-04

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

15/21b- 49 Original parent: 15/21b- 49J

Abandoned Phase 3 Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Oil Show

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

26.213

Ground Elev (m)

Water Depth (m)

139.90

TD MD (m)

5120.945

TD TVDSS (m)

4759.147

TD Datum Depth (m)

26.213

TD Datum Type

Kelly Bushing

Spud Date

1993-03-04

TD Reached

1993-04-30

Completion Date

2005-10-12

Release Date

2009-10-12

15/21b- 49J Sidetrack J

Abandoned Phase 3 Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Dev Type

Convention

Primary Target

Well Seq

Datum Type

Rotary Table

Datum Elev (m)

26.213

Ground Elev (m)

Water Depth (m)

139.90

TD MD (m)

3790.188

TD TVDSS (m)

3574.085

TD Datum Depth (m)

TD Datum Type

Spud Date

1993-01-10

TD Reached

1993-02-15

Completion Date

1993-03-04

Release Date

1997-03-04

Formation Tops (46)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
15/21b- 49	Unknown		166.000	139.787	BGS LithoStrat Upper
	Unknown		594.000	567.787	BGS LithoStrat Upper
	Balder	Cenozoic	1087.000	1060.787	BGS LithoStrat Upper
	Lignite Marker		1177.000	1150.787	BGS LithoStrat Upper
	Sele	Mesozoic	1407.000	1380.787	BGS LithoStrat Upper
	Forties Sandstone Member	Mesozoic	1508.000	1481.787	BGS LithoStrat Upper
	Lista	Mesozoic	1611.000	1584.787	BGS LithoStrat Upper
	Balmoral Sandstone Unit	Cenozoic	1753.000	1726.787	BGS LithoStrat Upper
	Andrew Member	Palaeozoic	1935.000	1908.787	BGS LithoStrat Upper
	Maureen	Mesozoic	2354.000	2327.787	BGS LithoStrat Upper
	Ekofisk	Mesozoic	2460.000	2433.787	BGS LithoStrat Upper
	Tor	Mesozoic	2487.000	2460.787	BGS LithoStrat Upper
	Herring G4 Unit		2943.000	2916.787	BGS LithoStrat Upper
	Herring G3 Unit		2969.000	2942.787	BGS LithoStrat Upper
	Herring G2 Unit		2973.000	2946.787	BGS LithoStrat Upper
	Herring G1 Unit		2991.000	2964.787	BGS LithoStrat Upper
	Plenus Marl		3014.000	2987.787	BGS LithoStrat Upper
	Hidra Unit 4		3038.000	3011.787	BGS LithoStrat Upper
	Hidra Unit 3		3042.000	3015.787	BGS LithoStrat Upper
	Hidra Unit 2		3085.000	3058.787	BGS LithoStrat Upper
	Hidra Unit 1		3107.000	3080.787	BGS LithoStrat Upper
	Rodby Unit 3		3185.000	3158.787	BGS LithoStrat Upper
	Rodby Unit 2		3208.000	3181.787	BGS LithoStrat Upper
	Rodby R1		3244.000	3217.787	BGS LithoStrat Upper
	Sola S3		3271.000	3244.787	BGS LithoStrat Upper
	Sola S2		3320.000	3293.787	BGS LithoStrat Upper
	Sola S1		3362.000	3335.787	BGS LithoStrat Upper
	V6		3389.000	3362.787	BGS LithoStrat Upper
	V5		3406.000	3379.787	BGS LithoStrat Upper
	V4		3411.000	3384.787	BGS LithoStrat Upper
	V3		3425.000	3398.787	BGS LithoStrat Upper
	V2		3458.000	3431.787	BGS LithoStrat Upper
	Scapa Sand	Mesozoic	3551.000	3524.787	BGS LithoStrat Upper
	V1 member		3634.000	3607.787	BGS LithoStrat Upper
	Upper Hot Shale Member		3694.000	3667.787	BGS LithoStrat Upper
	Middle Siltstone Member		3792.000	3765.787	BGS LithoStrat Upper
	Lower Hot Shale Member		3968.000	3941.787	BGS LithoStrat Upper
	Claymore Member		4005.000	3978.787	BGS LithoStrat Upper
	Lower Hot Shale Member		4302.000	4275.787	BGS LithoStrat Upper
	Tartan Sand Unit		4770.000	4743.787	BGS LithoStrat Upper
	Supra Piper		4907.000	4880.787	BGS LithoStrat Upper
	Piper Mid Shale		4938.000	4911.787	BGS LithoStrat Upper
	Scott Sandstone		4956.000	4929.787	BGS LithoStrat Upper
	Paralic Unit		5063.000	5036.787	BGS LithoStrat Upper
	Sgiath Coaly Unit		5081.000	5054.787	BGS LithoStrat Upper
	Rattray		5095.000	5068.787	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
15/21b- 49	0	0	0	46	46	3	7	1	2	View
15/21b- 49J	0	0	0	0	0	0	0	0	0

Hydrocarbon Occurrence (5)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
15/21b- 49	Oil shows	OS	Claymore Sandstone Member	4005.3768	--	297 m thick
15/21b- 49	Oil shows	OS	TRTS	4769.5104	--	137 m thick
15/21b- 49	DST	DST 1a	--	4841.7	4851.2	Label / Upper Jurassic
15/21b- 49	DST	DST 1	--	4953.9	5027.1	Not used for labelling, multiple DSTs in same play / Upper Jurassic
15/21b- 49	Oil shows	OS	SCOS	4955.7432	--	107 m thick

Rock Samples (8)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
15/21b- 49	Cuttings	618.74	3517.39	--	--	.
15/21b- 49	Core #1	4772.56	4799.99	--	--	--
15/21b- 49	Core #2	4800.3	4827.64	--	--	--
15/21b- 49	Core #3	4828.03	4842.63	--	--	--
15/21b- 49	Core #4	4842.97	4845.56	--	--	--
15/21b- 49	Core #5	4859.12	4887.16	--	--	see S96478 (cores 1-4)
15/21b- 49	Core #6	4887.47	4912.77	--	--	--
15/21b- 49	Core #7	4914.29	4939.16	--	--	--

Wireline Log Inventory (Ingested Curves)

No wireline log curves ingested for this well.

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

No scanned LAS source files matched to this well.

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
15/21b- 49	0	--	--	--
15/21b- 49J	0	--	--	--

15/21b- 49

Well Header

Wellbores (2)

Formation Tops (46)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (5)

Rock Samples (8)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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