Sept 8 (Reuters) - Woodside Petroleum Ltd WPL.AX :
* Confirms that it provided Oil Search a confidential and non-binding proposal to merge through a scheme of arrangement
* Says "no certainty that these discussions will result in a transaction"
* Proposal is subject to papua new guinea regulatory approval"
* "Woodside is being advised by Merrill Lynch, gresham and herbert smith freehills in relation to this matter"
* Source text for Eikon ID:nASX6wbC0f