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Exploration wellbore: 2/7-18

General information

NPDID wellbore: 206
Well name: 2/7-18
Drilling operator name: Phillips Petroleum Company Norway
Geodetic datum: ED50
Coordinates: 56° 20` 18.36`` N 3° 6` 13.61`` E
UTM coordinates: 6243890.71 N 506416.20 E
UTM zone: 31
Drilled in production licence: 018
Area: NORTH SEA
Drill permit: 259-L
Drilling facility:BORGSTEN DOLPHIN
Drilling days: 12
Wellbore entry date: 20.08.1980
Wellbore completion date: 31.08.1980
Original wellbore purpose: WILDCAT
Wellbore purpose: WILDCAT
Wellbore status: JUNKED
Wellbore contents: DRY
Discovery wellbore: NO
Seismic location: PG 0306 15 & SP 12
Kelly bushing elevation (KB) [m]: 25
Water depth [m]: 73
Total Depth (MD) [m]: 601
Final vertical depth (TVD) [m]: 601
Max inclination [°]:
Bottom hole temperature [°C]:
Oldest penetrated age: PLIOCENE
Oldest penetrated formation: NORDLAND GP
Note: All depths, except the water depth, are relative to kelly bushing (RKB)

Wellbore history

General

Wildcat well 2/7-18 was drilled as replacement well for 2/7-17, which was junked for technical reasons. The well should evaluate a low relief structure to the southwest of the Eldfisk Field in the southern Norwegian North Sea. The primary objective was to test the Danian - Late Cretaceous limestone and chalk. Secondary objectives were the Late Cretaceous and Jurassic where irregular and lens-shaped structures on the seismic records were interpreted as possible sandstones with stratigraphically trapped hydrocarbons.

Operations and results

Well 2/7-18 was spudded with the semi-submersible installation Borgsten Dolphin on 20 August 1980 and drilled to 601 m in assumed Pliocene sediments. After setting the 20" casing, mechanical problems forced abandonment of the well. The objectives were not reached. The well was drilled with seawater.

No logs were run, and no sample of any kind was collected.

The well was permanently abandoned on 31 August 1980 as a junk well.

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

Type Casing diam. [inch] Depth below KB [m] Hole diam. [inch] Hole depth below KB [m] Lot mud eqv. [g/cm3]
CONDUCTOR 30 130.0 36 130.0
SURF.COND. 20 558.0 26 572.0
OPEN HOLE 575.0 17 1/2 575.0

Mud

Depth MD [m] Mud weight [g/cm3] Visc. [MPa.s] Yield [pnt Pa.] Mud type Date measured
572 1.02 seawater

Drill stem test

No drill stem test in this wellbore.

Available logs

No logs available.

Lithostratigraphy

Top depth [m] Litostratigraphic unit
98 NORDLAND 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)

2_7_18_Completion_Report (Format:PDF. Size: 4.680 Mb )
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Old NPD WDSS reports, NPD papers and other related documents

WDSS_General_Information (Format:PDF. Size: 0.106 Mb )
WDSS_completion_log (Format:PDF. Size: 0.064 Mb )
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