Diamond Offshore Drilling Inc. (NYSE: DO) reported a higher-than-expected quarterly profit as its ongoing cost-cutting measures pay off.

The rig contractor has scrapped its dividend, retired assets and scaled back drilling to cope with a more-than 60% fall in oil prices since mid-2014.

Diamond Offshore said on May 2 its total operating expenses fell nearly 60% to $359 million in the first quarter ended March 31.

Houston-based Diamond Offshore reported a 39.3% fall in contract drilling expenses to $212.8 million.

Loews Corp. (NYSE: L), which owns a majority stake in Diamond Offshore, reported a marginal fall in profit for the first quarter.

Loews, controlled by New York's wealthy Tisch family, was hurt by lower earnings at its largest unit, multiline insurer CNA Financial Corp.

Land rig contractor Helmerich and Payne Inc. (NYSE: HP) said on May 2 its net income fell to $21.2 million, or 19 cents per share, in the second quarter ended March 31, from $153.5 million, or $1.41 per share, a year earlier.

H&P said it expects revenue days, or activity in its U.S. onshore business, to fall by about 25-28% during the current quarter from the second quarter.

Diamond Offshore also named former Halliburton Co. (NYSE: HAL) executive Kelly Youngblood as CFO, effective from May 3, replacing Gary Krenek.

Houston-based Diamond Offshore reported a net profit of $87.4 million, or 64 cents per share, for the quarter ended March 31, compared with a loss of $255.7 million, or $1.86 cents per share, a year earlier.

Analysts on average had expected a profit of 27 cents per share, according to Thomson Reuters.

Total revenue fell 24.1% to $470.5 million.

Up to close on April 29, Diamond Offshore's stock had fallen nearly 28% in the past 12 months, in line with the S&P 500 Oil & Gas Drilling index.