Well Data Manager / Well Summary / 9/28a- 18

9/28a- 18

Decommissioned

Well Header

Well No

9/28a- 18

NSTA DEN No

18424

Well Name

Drill Seq No

Quadrant / Block

9 / 28 a

Surface Location

59.126345, 1.517046

Source Datum

ED50

Subsea Well

Unknown

Platform

Slot No

Operator

ENQUEST HEATHER LIMITED

Original Operator

Sub Area Operator

ENQUEST HEATHER LIMITED

Licence No

P209

Licence Type

Production

Spud Date

2007-10-08

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

9/28a- 18 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Oil Well

Dev Type

Convention

Primary Target

CR2

Well Seq

WB1

Datum Type

Rotary Table

Datum Elev (m)

43.282

Ground Elev (m)

Water Depth (m)

116.74

TD MD (m)

3458.870

TD TVDSS (m)

2720.035

TD Datum Depth (m)

43.282

TD Datum Type

Rotary Table

Spud Date

2007-10-08

TD Reached

2007-11-16

Completion Date

2007-12-20

Release Date

2011-12-20

Formation Tops (30)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
9/28a- 18	Witch Ground Formation	Cenozoic	160.000	116.718	BGS LithoStrat Upper
	Ferder Formation	Cenozoic	170.000	126.717	BGS LithoStrat Upper
	Mariner Formation	Cenozoic	181.000	137.717	BGS LithoStrat Upper
	Shackleton Formation	Cenozoic	235.000	191.717	BGS LithoStrat Upper
	Nordland	Cenozoic	257.000	213.717	BGS LithoStrat Upper
	Skade Formation	Cenozoic	343.000	299.715	BGS LithoStrat Upper
	Lark Formation	Cenozoic	704.000	660.690	BGS LithoStrat Upper
	Grid Member		1058.000	1006.619	BGS LithoStrat Upper
	Horda Formation	Cenozoic	1337.000	1250.462	BGS LithoStrat Upper
	Skroo Sandstone Member	Cenozoic	1654.000	1519.843	BGS LithoStrat Upper
	Horda Formation	Cenozoic	1703.000	1564.000	BGS LithoStrat Upper
	B2 Unit		1783.000	1638.023	BGS LithoStrat Upper
	B1 Unit		1815.000	1668.327	BGS LithoStrat Upper
	S3 Unit		1848.000	1699.832	BGS LithoStrat Upper
	S2b Unit		1852.000	1703.663	BGS LithoStrat Upper
	S2a Unit		1876.000	1726.695	BGS LithoStrat Upper
	S1 Unit		2003.000	1849.082	BGS LithoStrat Upper
	Lista Formation Sequence 3	Mesozoic	2020.000	1865.683	BGS LithoStrat Upper
	Lista Formation Sequence 2A	Mesozoic	2160.000	2004.805	BGS LithoStrat Upper
	L1 Unit		2221.000	2065.184	BGS LithoStrat Upper
	M2		2255.000	2098.259	BGS LithoStrat Upper
	Ekofisk	Mesozoic	2376.000	2211.469	BGS LithoStrat Upper
	Tor	Mesozoic	2397.000	2230.257	BGS LithoStrat Upper
	Flounder	Mesozoic	2533.000	2348.866	BGS LithoStrat Upper
	Undifferentiated	Cenozoic	2647.000	2432.956	BGS LithoStrat Upper
	Unit D	Palaeozoic	2726.000	2478.670	BGS LithoStrat Upper
	Unit C		2853.000	2526.971	BGS LithoStrat Upper
	Unit B		3138.000	2617.757	BGS LithoStrat Upper
	Unit A		3242.000	2650.836	BGS LithoStrat Upper
	Zechstein	Palaeozoic	3368.000	2690.867	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
9/28a- 18	0	0	0	30	30	0	0	0	0	View

Hydrocarbon Occurrence (6)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
9/28a- 18	Oil shows	OS	SL2B	1851.9648000000002	--	24 m thick
9/28a- 18	Oil shows	OS	SL2A	1875.7392	--	127 m thick
9/28a- 18	Oil shows	OS	Lista Formation	2159.8128	--	62 m thick
9/28a- 18	Oil shows	OS	CRMD	2725.8264	--	127 m thick
9/28a- 18	Oil shows	OS	CRMC	2852.9280000000003	--	285 m thick
9/28a- 18	Oil shows	OS	CRMB	3138.2208	--	104 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
9/28a- 18	1559.9664306640625	3455.822509765625	14	0	2026-08-06 19:05:25.292184+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

9/28a- 18

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bit_size	BIT	Energective CorrectedLOGS	2573.7312	3455.8224	5789
bulk_density	LDL	Energective CorrectedLOGS	1563.0144	3425.952	10986
bulk_density	HRHO	Energective CorrectedLOGS	1710.2328	3427.7808	10024
caliper	CLD	Energective CorrectedLOGS	1559.9664	3423.9708	10908
comp_sonic	DTC	Energective CorrectedLOGS	1710.2328	3455.8224	10423
deep_resistivity	RT	Energective CorrectedLOGS	1710.2328	3450.9456	10261
deep_resistivity	AF90	Energective CorrectedLOGS	2573.7312	3455.8224	5789
deep_resistivity	AT90	Energective CorrectedLOGS	1710.2328	3455.8224	10266
density_correction	DRH	Energective CorrectedLOGS	1710.2328	3428.6952	10148
gamma_ray	GRD	Energective CorrectedLOGS	1710.2328	3422.2944	9961
gamma_ray	GRI	Energective CorrectedLOGS	1559.9664	3416.9604000000004	10939
med_resistivity	AT20	Energective CorrectedLOGS	2573.7312	3455.8224	5789
med_resistivity	AT60	Energective CorrectedLOGS	1710.2328	3455.8224	10253
med_resistivity	AT30	Energective CorrectedLOGS	1710.2328	3455.8224	10279
med_resistivity	AF30	Energective CorrectedLOGS	2573.7312	3455.8224	5789
micro_resistivity	MINV	Energective CorrectedLOGS	1710.2328	3455.8224	10494
micro_resistivity	MNOR	Energective CorrectedLOGS	1710.2328	3455.8224	10494
neutron_por	CNLC	Energective CorrectedLOGS	1710.2328	3419.2464	9928
neutron_por	CNEU	Energective CorrectedLOGS	2576.4744	3422.5992	5553
neutron_por	TNPH	Energective CorrectedLOGS	1710.2328	3455.8224	10166
pef	HPEF	Energective CorrectedLOGS	1710.2328	3424.7328	10035
pef	PEF	Energective CorrectedLOGS	1710.2328	3422.904	10005
porosity	PHIE	OGA Batch Unzipped	2573.7312	3454.2475999898397	17334
porosity	PHIT	OGA Batch Unzipped	2573.7312	3454.2475999898397	17334
rate_of_penetration	ROP	Energective CorrectedLOGS	2001.3168	3458.5656000000004	9522
rxo_resistivity	RXO	Energective CorrectedLOGS	1710.2328	3455.8224	10227
rxo_resistivity	RXOI	Energective CorrectedLOGS	1710.2328	3455.8224	10214
shallow_resistivity	AF10	Energective CorrectedLOGS	2573.7312	3455.8224	5789
shallow_resistivity	AT10	Energective CorrectedLOGS	1710.2328	3455.8224	10266
shear_sonic	DTS	Energective CorrectedLOGS	1710.2328	3455.8224	10345
tvdss	SS	Energective CorrectedLOGS	1559.9664	3458.8704000000002	12461
vshale	VSH	OGA Batch Unzipped	2573.7312	3455.77159998984	17364

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
9/28a- 18	126	3458.870	2719.938	D:\BigSpatial\nsta_raw\CGG_Deviation\9-28a-18 29812w-CGG_Deviation.xlsx

9/28a- 18

Well Header

Wellbores (1)

Formation Tops (30)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (6)

Rock Samples (0)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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