Sept 6 (Reuters) - Oil Search (OSH) said on Monday that Santos...

Sept 6 (Reuters) - Oil Search (OSH) said on Monday that Santos (STO) will have an extra week to complete due diligence for its proposed A$8.4 billion ($6.26 billion) buyout after both oil and gas companies agreed to the extension.

Santos will have exclusive access to due diligence until September 13 to come to a merger implementation deal, the Papua New Guinea-focused company said and reiterated that its board will recommend the deal.

The buyout would create a top-20 global oil and gas company. ($1 = 1.3425 Australian dollars)