J & A SERRA
PO Box 284, Tolga,
Tel: +61 07 4095 4344
Fax: +61 07 4095 4834
Type of operations: DHH, RAB.
Specialist sectors: Waterwell, Blasthole.
We have 33 years of experience in the water drilling sector and
we specialise in large diameter holes up to 380 mm diameter in
hard rock with high-pressure equipment.