Well Data Manager / Well Summary / 49/21- 1

49/21- 1

Decommissioned

Well Header

Well No

49/21- 1

NSTA DEN No

Well Name

Drill Seq No

Quadrant / Block

49 / 21

Surface Location

53.174771, 2.029158

Source Datum

ED50

Subsea Well

Unknown

Platform

Slot No

Operator

CHRYSAOR PRODUCTION (U.K.) LIMITED

Original Operator

Sub Area Operator

CHRYSAOR PRODUCTION (U.K.) LIMITED

Licence No

P39

Licence Type

Production

Spud Date

1966-05-03

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

49/21- 1 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Gas Show

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

30.480

Ground Elev (m)

Water Depth (m)

42.98

TD MD (m)

2506.370

TD TVDSS (m)

2475.890

TD Datum Depth (m)

30.480

TD Datum Type

Kelly Bushing

Spud Date

1966-05-03

TD Reached

1966-06-29

Completion Date

1966-07-07

Release Date

1970-07-07

Formation Tops (15)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
49/21- 1	Unknown		73.000	42.518	BGS LithoStrat Upper
	Keuper Undifferentiated		137.000	106.513	BGS LithoStrat Upper
	Haisborough	Mesozoic	137.000	106.513	BGS LithoStrat Upper
	Bunter Sandstone	Mesozoic	1036.000	1005.413	BGS LithoStrat Upper
	Bunter Sandstone	Mesozoic	1036.000	1005.413	BGS LithoStrat Upper
	Saliferous Marls		1374.000	1343.377	BGS LithoStrat Upper
	Bunter Shale	Mesozoic	1374.000	1343.377	BGS LithoStrat Upper
	Zechstein Z4		1667.000	1636.355	BGS LithoStrat Upper
	Zechstein	Palaeozoic	1667.000	1636.355	BGS LithoStrat Upper
	Zechstein Z3		1736.000	1705.350	BGS LithoStrat Upper
	Zechstein Z2		1875.000	1844.340	BGS LithoStrat Upper
	Zechstein Z1		1992.000	1961.334	BGS LithoStrat Upper
	Rotliegendes		2231.000	2200.298	BGS LithoStrat Upper
	Rotliegendes		2231.000	2200.298	BGS LithoStrat Upper
	Unknown		2441.000	2410.245	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
49/21- 1	4	1	0	10	15	0	6	1	0	View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (62)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
49/21- 1	Cuttings	103.63	2505.46	--	--	.
49/21- 1	Core #2	1040.59	1054.91	φ 15.5% (n=9) · Kh 180.1 mD (n=9) · So 8.6% (n=5) · Sw 67.4% (n=8) · EXPLORATION LOGGING	--	.
49/21- 1	↳ Plug 01	1041.197	--	φ 17.3% · Kh 164.0 mD · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 02	1042.416	--	φ 14.6% · Kh 565.0 mD · Sw 13.7% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 03	1043.788	--	φ 12.2% · Kh 13.0 mD · Sw 24.4% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 04	1044.702	--	φ 15.5% · Kh 30.0 mD · Sw 86.8% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 05	1045.921	--	φ 14.3% · Kh 47.0 mD · So 0.0% · Sw 89.8% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 06	1046.531	--	φ 18.1% · Kh 276.0 mD · So 9.3% · Sw 83.2% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 07	1047.293	--	φ 14.7% · Kh 40.0 mD · So 13.4% · Sw 74.7% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 08	1048.207	--	φ 17.0% · Kh 232.0 mD · So 12.6% · Sw 85.7% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 09	1048.817	--	φ 16.1% · Kh 254.0 mD · So 7.9% · Sw 80.7% · EXPLORATION LOGGING	--	--
49/21- 1	Core #3	2232.05	2235.4	φ 2.3% (n=3) · Sw 100.0% (n=3) · EXPLORATION LOGGING	--	.
49/21- 1	↳ Plug 01	2232.355	--	φ 2.2% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 02	2233.27	--	φ 1.0% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 03	2234.489	--	φ 3.6% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	Core #4	2235.4	2240.58	φ 3.3% (n=7) · Sw 100.0% (n=5) · EXPLORATION LOGGING	--	.
49/21- 1	↳ Plug 01	2235.403	--	φ 3.6% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 02	2236.013	--	φ 3.4% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 03	2236.927	--	φ 1.6% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 04	2237.537	--	φ 2.2% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 02	2238.756	--	φ 3.4% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 01	2239.061	--	φ 4.1% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 04	2239.975	--	φ 4.8% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	Core #5	2240.58	2242.41	Sw 100.0% (n=1) · EXPLORATION LOGGING	--	.
49/21- 1	↳ Plug 04	2240.585	--	Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	Core #6	2258.87	2267.41	φ 7.9% (n=13) · Kh 0.0 mD (n=8) · Sw 90.6% (n=13) · EXPLORATION LOGGING	--	.
49/21- 1	↳ Plug 01	2259.33	--	φ 3.8% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 13	2259.94	--	φ 5.9% · Kh 0.0 mD · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 14	2260.702	--	φ 12.6% · Kh 0.0 mD · Sw 89.4% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 12	2261.616	--	φ 12.0% · Kh 0.0 mD · Sw 73.4% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 11	2262.378	--	φ 7.0% · Sw 74.3% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 10	2263.673	--	φ 8.6% · Kh 0.0 mD · Sw 93.5% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 09	2264.512	--	φ 6.3% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 02	2264.969	--	φ 4.2% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 08	2265.121	--	φ 2.7% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 07	2265.731	--	φ 10.8% · Kh 0.0 mD · Sw 93.8% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 06	2266.34	--	φ 8.6% · Kh 0.0 mD · Sw 77.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 05	2266.95	--	φ 10.4% · Kh 0.0 mD · Sw 86.5% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 04	2267.255	--	φ 9.8% · Kh 0.0 mD · Sw 89.5% · EXPLORATION LOGGING	--	--
49/21- 1	Core #7	2267.41	2279.6	φ 9.5% (n=22) · Kh 0.8 mD (n=8) · So 0.0% (n=1) · Sw 88.1% (n=22) · EXPLORATION LOGGING	--	.
49/21- 1	↳ Plug 03	2267.56	--	φ 3.9% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 02	2268.017	--	φ 8.7% · Sw 66.8% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 03	2268.474	--	φ 8.9% · Kh 0.0 mD · Sw 90.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 04	2269.084	--	φ 13.4% · Kh 0.0 mD · Sw 70.3% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 05	2269.769	--	φ 12.2% · Sw 77.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 06	2270.379	--	φ 9.6% · Sw 80.9% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 07	2271.065	--	φ 3.8% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 08	2271.522	--	φ 10.7% · Sw 77.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 09	2272.436	--	φ 12.1% · Kh 1.0 mD · Sw 95.7% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 10	2272.894	--	φ 3.3% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 11	2273.503	--	φ 4.3% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 12	2274.037	--	φ 10.9% · Kh 0.0 mD · Sw 87.5% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 13	2274.57	--	φ 13.8% · Kh 0.0 mD · Sw 82.6% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 14	2275.18	--	φ 14.4% · Kh 2.0 mD · Sw 90.9% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 15	2275.789	--	φ 15.3% · Kh 3.0 mD · Sw 83.3% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 16	2276.475	--	φ 5.2% · Sw 100.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 17	2277.085	--	φ 9.9% · Kh 0.0 mD · Sw 75.3% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 18	2277.618	--	φ 11.7% · Sw 89.3% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 19	2277.923	--	φ 12.4% · Sw 84.6% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 20	2278.38	--	φ 10.7% · Sw 90.0% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 21	2278.685	--	φ 9.3% · So 0.0% · Sw 97.8% · EXPLORATION LOGGING	--	--
49/21- 1	↳ Plug 22	2279.142	--	φ 5.3% · Sw 100.0% · EXPLORATION LOGGING	--	--

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
49/21- 1	27.43199920654297	2471.927978515625	8	0	2026-08-06 14:36:32.043106+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

49/21- 1

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOB	CGG Digital Well Logs	1411.0716	2469.9468	6949
caliper	CALI	CGG Digital Well Logs	1411.0716	2469.9468	6949
caliper	MCAL	CGG Digital Well Logs	274.7772	2471.7756	14417
comp_sonic	DT	CGG Digital Well Logs	106.8324	2468.118	15428
deep_resistivity	ILD	CGG Digital Well Logs	2227.7832000000003	2469.9468	1590
deep_resistivity	LL7	CGG Digital Well Logs	275.9964	2470.8612000000003	14403
density_correction	DRHO	CGG Digital Well Logs	1411.0716	2469.9468	6949
gamma_ray	GR	CGG Digital Well Logs	27.432000000000002	2462.1744000000003	15963
micro_resistivity	MLL	CGG Digital Well Logs	274.9296	2471.9280000000003	14417
neutron_por	NEUT	CGG Digital Well Logs	274.32	2470.5564	14412

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
49/21- 1	28	2506.370	2475.603	D:\BigSpatial\nsta_raw\CGG_Deviation\49-21-1 482ac_CGG-Deviation.xlsx

49/21- 1

Well Header

Wellbores (1)

Formation Tops (15)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (0)

Rock Samples (62)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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