Thanks to cheaper oil in 2012 , this u.s. refiner cashed in and made investors happy .

2012年石油价格较低，美国炼油企业WesternRefining因此获利，投资者也很高兴。

Sinopec is asia 's biggest refiner , with a smaller presence in oil and natural-gas production .

中石化是亚洲最大的炼油企业，石油和天然气的生产规模则相对较小。

Petrobras , for one , began life as a refiner and distributor .

petrobras，最开始是作为一家精炼厂和零售商的。

Standard chartered has advised and financed large chinese enterprises such as sinopec , the state-owned refiner .

渣打银行已为国有炼油企业中石化（sinopec）等大型中国企业提供咨询和融资服务。

The deal will make tesoro the biggest oil refiner on america 's west coast and is likely to be scrutinized by regulators .

这项交易将使得特索罗成为美国西海岸最大的炼油公司，有可能受到监管机构的审查。