Oil and Gas News

Santos to further explore North West Shelf


Santos has proposed to drill up to 12 wells in the Bedout Basin on the North West Shelf (NWS), Western Australia.

Outlined in its environment plan to the national petroleum regulator, the exploration and appraisal wells are located in permit areas WA-437-P, WA-438-P and WA-541-P in water depths of 30m to 110m.

The permit areas are within offshore Commonwealth waters, 9km north from the nearest shoreline, 50km from the closest mainland port and 99km from Port Headland.

The drilling activity will be carried out using a jack-up mobile offshore drilling unit (MODU), with a 500m radius petroleum safety zone.

Santos is seeking a five-year environment plan validity period, which includes drilling activities being able to take place any time over that five-year period.

Activities are scheduled to commence in the third quarter of this year,  but the timing of the activities has not been finalised.

Drilling is expected to take 35 to 80 days per well and activities will be conducted 24 hours per day, seven days per week.

“It is possible that the activity duration may increase if technical difficulties or interruptions are encountered,” Santos outlined.

“It is envisaged that well activities are conducted over multiple campaigns in a period between two and six months, after which the MODU leaves the operational area.”

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