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Exploration wellbore: 6407/9-6 R

General information

NPDID wellbore: 2147
Well name: 6407/9-6
Drilling operator name: A/S Norske Shell
Geodetic datum: ED50
Coordinates: 64° 19` 58.07`` N 7° 44` 23.70`` E
UTM coordinates: 7134880.01 N 439100.65 E
UTM zone: 32
Drilled in production licence: 093
Area: NORWEGIAN SEA
Discovery:6407/9-1 DRAUGEN
Field:DRAUGEN
Drill permit: 499-L2
Drilling facility:WEST DELTA
Drilling days: 12
Wellbore entry date: 19.05.1993
Wellbore completion date: 30.05.1993
Reentry activity:PLUGGING
Original wellbore purpose: APPRAISAL
Wellbore purpose: APPRAISAL
Wellbore status: P&A
Wellbore contents: OIL
Discovery wellbore: NO
Formation/age with hydrocarbons 1:ROGN FM / LATE JURASSIC
Seismic location: 84-212 SP.228
Kelly bushing elevation (KB) [m]: 29
Water depth [m]: 276
Total Depth (MD) [m]: 1804
Final vertical depth (TVD) [m]: 1800
Max inclination [°]:
Bottom hole temperature [°C]:
Oldest penetrated age: EARLY JURASSIC
Oldest penetrated formation: ROR FM
Note: All depths, except the water depth, are relative to kelly bushing (RKB)

Wellbore history

General

Appraisal well 6407/9-6 was suspended in 1986 as a possible water injection well after a successful oil and water injection test in the Late Jurassic Rogn Formation. The objective of the re-entry 6407/9-6R was plugging and permanent abandonment. A small gas leak from the wellhead was observed when the well was suspended. An inspection programme was initiated to monitor the wellhead and gas leak activity. A secondary objective was thus to conclude on the gas leak inspection programme and take the necessary actions.

Operations and results

Appraisal well 6407/9-6 R was spudded with the semi-submersible installation West Delta (now Deepsea Delta) on 19 May 1993. The gas leak had been observed to diminish during the inspection programme. Since it consisted almost exclusively of methane it was assumed to have originated from a minor shallow gas zone and not from the reservoir.

The well was plugged back and permanently abandoned on 30 May 1993.

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
301 NORDLAND GP
832 HORDALAND GP
832 BRYGGE FM
1342 ROGALAND GP
1342 TARE FM
1376 TANG FM
1540 SHETLAND GP
1571 CROMER KNOLL GP
1571 LANGE FM
1611 VIKING GP
1611 SPEKK FM
1643 ROGN FM
1660 FANGST GP
1660 GARN FM
1744 NOT FM
1775 BÅT GP
1775 ROR FM

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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