At least a dozen leading inter­national contractors are understood to have shown interest in a pre-qualification exercise by Saudi Aramco for the expansion of its Hawiyah and Haradh onshore gas plants, together thought to be valued at more than $4 billion.

Sources told Upstream that the Saudi Arabian state-owned giant recently floated several packages related to the gas plant expansion project and leading engineering, procurement and construction players are thought to have responded.

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