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Wheatstone pipeline completed

A small but significant component of Chevron's $US29 billion ($37.2 billion) Wheatstone venture near Onslow has been completed, on time and on budget.

The 109km pipeline hook-up of Wheatstone's processing plant with the Dampier-to-Bunbury pipeline also signals another significant step forward as WA gradually weans itself off the North West Shelf as the State's dominant supplier.

Chevron does not expect Wheatstone, principally an LNG export operation, to be up and running until late next year and is yet to sign up domestic customers for up to 200 terajoules a day.

DBP Development Group, a subsidiary of Duet Group which owns 80 per cent of the Dampier-Bunbury line, signed a 30-year build, own and operate deal with Chevron 18 months ago and set about construction of the $95 million project.

It links the Wheatstone processing operation with Compressor Station 2 on the Dampier-to-Bunbury gas pipeline, via the existing Ashburton West link.

DBP says practical completion of the Wheatstone Ashburton West pipeline was achieved on time and below the budget cap under which it earns a return on capital spent.