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Generated 09.09.2010



Exploration wellbore: 1/9-4 R

General information

NPDID wellbore: 1727
Well name: 1/9-4
Drilling operator name: Den norske stats oljeselskap a.s
Geodetic datum: ED50
Coordinates: 56° 29` 03.76`` N 2° 56` 00.29`` E
UTM coordinates: 6260132.83 N 495899.06 E
UTM zone: 31
Drilled in production licence: 044
Area: NORTH SEA
Discovery:1/9-4 TOMMELITEN GAMMA
Field:TOMMELITEN GAMMA
Drill permit: 182-L2
Drilling facility:ROSS RIG
Drilling days: 6
Wellbore entry date: 21.04.1991
Wellbore completion date: 26.04.1991
Reentry activity:PLUGGING
Original wellbore purpose: WILDCAT
Wellbore purpose: WILDCAT
Wellbore status: P&A
Wellbore contents: GAS/CONDENSATE
Discovery wellbore: NO
Formation/age with hydrocarbons 1:EKOFISK FM / PALEOCENE
Formation/age with hydrocarbons 2:TOR FM / LATE CRETACEOUS
Seismic location: line 404-410 shot point 100
Kelly bushing elevation (KB) [m]: 25
Water depth [m]: 75
Total Depth (MD) [m]: 3710
Final vertical depth (TVD) [m]:
Max inclination [°]: 7.50
Bottom hole temperature [°C]: 150
Oldest penetrated age: LATE PERMIAN
Oldest penetrated formation: ZECHSTEIN GP
Note: All depths, except the water depth, are relative to kelly bushing (RKB)

Wellbore history

General

Well 1/9-4 R is a re-entry of well 1/9-4 in the Central Graben of the North Sea. The purpose of the re-entry was permanent abandonment.

Operations and results

Well was entered with the semi-submersible installation Ross Rig on 21 April 1991.

The well head was removed from the sea floor.

The well was permanently abandoned on 26 April.

Testing

No drill stem test was performed.

Cuttings available at the NPD

No cuttings in this wellbore.

Cores available at the NPD

No cores in this wellbore.

Scanned core photos

No scanned core photos available

Palynological slides available at the NPD

No palynological slides in this wellbore.

Oil samples available at the NPD

No oil samples available.

Casing and leak-off tests

No data available.

Mud

No mud data available.

Drill stem test

No drill stem test in this wellbore.

Available logs

No logs available.

Lithostratigraphy

Top depth [m] Litostratigraphic unit
100 NORDLAND GP
1025 HORDALAND GP
2941 ROGALAND GP
2941 BALDER FM
2960 SELE FM
3021 LISTA FM
3091 VÅLE FM
3114 SHETLAND GP
3114 EKOFISK FM
3212 TOR FM
3312 HOD FM
3450 BLODØKS FM
3494 HIDRA FM
3646 CROMER KNOLL GP
3646 RØDBY FM
3665 ÅSGARD FM
3690 ZECHSTEIN GP

Composite log

No composite log presently available.

Geochemical information available at the NPD

No geochemical data presently available. Regional geochemical studies which include data from this well may however be filed on a different well.

Documents reported by the licencees (period for duty of secrecy expired)

No documents presently available.



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