July 21 (Reuters) - Schlumberger Ltd (SLB.N) , the world's largest oilfield services provider, reported a smaller net loss compared with the year-ago quarter, when it took a $2.57 billion charge.
Net loss attributable to the company narrowed to $74 million, or 5 cents per share, in the second quarter ended June 30 from $2.16 billion, or $1.56 per share, a year earlier.
Excluding items, the company earned 35 cents per share.
The latest quarter included a charge of $510 million.
Revenue rose 4.2 percent to $7.46 billion.
Schlumberger is benefiting from strong North American shale drilling that has helped offset weak international markets.