(Reuters) – Oil and gas producer Occidental Petroleum Corp sought to scuttle Chevron Corp’s takeover of Anadarko Petroleum Corp on Wednesday with a $57 billion bid that raises the prospect of the first hostile battle for a major oil company in years.

FILE PHOTO: The Occidental Petroleum Corp headquarters is pictured in Los Angeles, California September 16, 2013. REUTERS/Mario Anzuoni

The surprise $76-per-share proposal comes after Occidental repeatedly said in recent weeks that it had been trying to woo Anadarko in an effort to become the largest producer of oil in west Texas’s Permian basin, where production has boomed in recent years.

Occidental’s bid pushed Anadarko’s share price in premarket trading above the $65 per share offered by Chevron. It said it had boosted the