Diamond Offshore Files for Bankruptcy Amid Historic Crude Crash

Diamond Offshore Drilling Inc., the rig contractor controlled by Loews Corp., filed for bankruptcy amid an unprecedented crash in crude prices that’s wrecking demand for oil exploration at sea.

The company listed $5.8 billion of assets and $2.6 billion of debt in a Chapter 11 petition filed in Houston, citing year-end 2019 data. It has about $434.9 million of cash on hand, according to the document.

Diamond owns rigs that can drill in water more than two miles deep. But offshore oil is among the most expensive to produce, putting the company at a disadvantage when prices plunged ...