JPDA PRODUCTION

JPDA: Monthly Production
Barrels of Oil Equivalent (BOE)

Previous 3 months

MonthProduction (BOE)
Feb '173,563,303.23
Mar '173,853,289.38
Apr '172,846,587.03

Autoridade Nacional do Petróleo

LAFAEK, Well Description

Well: Sunset West-1

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Region:

JPDA

Contact Area:

JPDA 03-19

Field Name:




Well Type:

Exploration

Classification:

Gas - Abandoned



Total depth (m):

2505

RKB (m):

22

Seabed (m):

311

Start:

07-April-98

Finish:

17-May-98

Well Data (release):

08/16/2000 11:00:00 PM

Status:

Draft


Sunset West-1

Well Summary:

The Sunset West-1 exploration well was drilled by the Semi-submersible rig Ocean Epoch in Contract Area ZOCA 95-19 in the Timor Sea, some 440 km northwest of Darwin, Northern Australia.

Sunset West-1 was the first of two appraisal/exploration wells to be drilled in order to reduce key uncertainties affecting the commercialization of the Sunrise Gas Field, discovered by Sunrise-1 in 1975.

Water depth at the Sunset West-1 location was 311 metres (Lowest Astronomical Tide-LAT) and the Rotary table elevation was 22 metres. Depth measurements in this report are with reference to the rotary table and indicated by mRT.

The Ocean Epoch drilling rig was on location on 13 April 1998 and Sunset West-1 was spudded on 14 April 1998.

Sunset West-1 reached a total depth (TD) of 2505 mRT. Hydrocarbons were encountered in the objective horizon sandstones and two drill steam tests carried out, producing gas at maximum flow rates of 11 MMscf/d through a 64/64” choke (DST-1A) and 19.3 MMscf/d through a 84/64” choke (DST-2). Then the well was plugged and abandoned, and the Ocean Epoch left the location on 22 May 1998.

Sunset West-1 Well Data

Well: Sunset West-1

Operator: Woodside Offshore Petroleum Pty. Ltd.

Participants/JV’s: Woodside Offshore Petroleum Pty. Ltd.

BHP Petroleum (Asia/Pacific) Inc.

Shell Development Australia (PSC 19) Pty. Ltd

Well Location: Sunset West-1

Latitude: 009° 38’ 806”S

Longitude: 127° 53’ 57.840”E

Easting: 379 239.6 m

Northing: 8 934 720.2 m

Seismic Reference: Line Z97-26

Shotpoint 1637

ZOCA 95-19, 95-20 2D Dataset.

Drilling Rig: Ocean Epoch (semi-submersible)

Water Depth: 311 meters (LAT)

Rotary Table: 22 meters.

Date Rig Contract: 11 April 1998

Rig on Location: 13 April 1998

Spud Date: 14 April 1998

Total Depth: 2505 meters

Total Time on Well: 40.85 days

Well Status: Plugged and Abandoned.

FORMATION SAMPLING

SAMPLE RECORD

Type
No.
Interval (mRT)
Remarks
Ditch Cuttings1686-25055 metres intervals
Sidewall cores1
2
383-1570
2492-1793.7
Attempted 50, Recovered 38
Attempted 50, Recovered 37
Rotary Cores1
2
2441/2426?
2263-2269
Attempted 4, Rec. 1. Exact depth unknown
Attempted 7, Rec.5
Cores1
2
3
2187.0-2241.8
2241.8-2272.3
2272.3-2309.2
Recovered 54.8 m (100%)
Recovered 10.1 m (33%)
Recovered 36.92 m (100%)

FORMATION EVALUATION

MWD

Run
Interval (mRT)
Remarks
1
377-1686
DIR-FE
2
1886-2187
DIR-FE
3
2187-2502
DIR-FE

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