去年，生产成本不断增加，美国炼油企业Tesoro被迫放弃了一项生产计划，科威特国家石油公司也不得不将其计划一推再推。
Tesoro, an American refiner, scrapped one scheme last year because of rising costs. Kuwait's national oil company has delayed another for the same reason.
分析家认为，有国家支持的石油公司，比如中国的中石油或者科威特石油公司也都是潜在的买家。
But analysts also suggest a potential role for state-backed oil companies such as China's PetroChina or Kuwait oil.
分析家认为，有国家支持的石油公司，比如中国的中石油或者科威特石油公司也都是潜在的买家。
But analysts also suggest a potential role for state-backed oil companies such as China's PetroChina or Kuwait oil.
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