Shares of Oil States International, Inc. (NYSE: OIS) rallied on Thursday, rising more than 14% by 2:45 p.m. EDT, after the company reported better-than-expected first-quarter results.Oil States International recorded $253.6 million in revenue during the quarter, which was 67.4% higher year over year and beat analysts' expectations by $28.4 million. Further, while the company posted a net loss of $0.8 million, or $0.01 per share, that was $0.14 per share better than the consensus estimate and a significant improvement from the year-ago adjusted loss of $0.35 per share.