The Woodside-led North-West Shelf Venture had exercised contract options with the Eos joint venture between WorleyParsons and KBR for the North Rankin 2 project.
The Eos JV had carried out the front-end engineering and design work for the North Rankin Bravo platform.
"We are delighted to be involved in this very important asset development for Woodside and its partners in the North-West Shelf Venture," WorleyParsons chief executive John Grill said.
"The North Rankin 2 contract is the third successive new offshore platform development contract which Woodside has awarded to the Eos joint venture (following awards of contracts for the Angel development and the Pluto development) and is a testament to our ability to work cooperatively to generate success for our clients."
The company said the combined revenue to WorleyParsons from the Eos JV portion of the North Rankin 2 work is expected to be about $190 million.
The $5 billion North Rankin 2 project is aimed at recovering the remaining low-pressure gas from the North Rankin and Perseus gas fields.
It will include installation of the North Rankin B platform which will house gas compression facilities, utilities and new living quarters, as well as the necessary tie-ins and refurbishment of North Rankin A platform.
Once completed, both platforms will be operated as a single integrated facility.
Meanwhile, WorleyParsons said it had acquired Intec Engineering from the Heerema Group for $US108.5 million.
The debt-funded acquisition is scheduled for completion on April 16 and is expected to boost the company's earnings.
As part of the deal, Heerema and WorleyParsons have agreed to contracting principles for the provision of engineering services to Heerema.
"The world's remaining oil reserves are increasingly being found in difficult to access areas, forcing our clients to look further afield in their search for new reserves. The acquisition of Intec completes the missing link in our hydrocarbons business which we have been seeking to fill for several years and strategically positions WorleyParsons to service our clients operating in deepwater locations," Grill said.
He added that Intec's capabilities complement the capabilities of the company's Sea Engineering business, a specialist in deepwater hulls, mooring and risers that was acquired in January 2007, allowing it to provide services across the spectrum from
subsea to transmission line.
"Intec has an established track record spanning more than 20 years having designed pipelines and subsea production systems in water depths once thought impossible to reach," Grill noted.
WorleyParsons said Intec has established many industry benchmarks including the deepest subsea production, the deepest marine pipelines and risers, the longest producing subsea tieback, the first Arctic offshore oil pipeline, and design of the largest floating production, storage and offloading vessel.
Its clients include BHP Billiton, BP, ChevronTexaco, ConocoPhillips, ExxonMobil and Shell.
WorleyParsons and Intec have worked together in a strategic alliance on several projects in recent years and have an agreement to offer offshore oil and gas customers in the Asia-Pacific region a comprehensive solution for large-scale integrated deepwater facilities, subsea and marine systems projects.
