原文：Global oil production is falling faster than market expectations as production cuts by OPEC members coincide with a sharp slide in supplies from some producers outside the cartel, raising the prospect of a price rise.
译文：欧佩克成员国石油生产正在下降，全球石油生产下降

原文：Global oil production is falling faster than market expectations as production cuts by OPEC members coincide with a sharp slide in supplies from some producers outside the cartel, raising the prospect of a price rise.
译文：欧佩克成员国石油生产正在下降，全球石油生产下降的速度超出市场预期，来自欧佩克这个联合企业以外的石油生产国的供应下滑，加大了油价上涨的前景。

修改：随着欧佩克成员国石油生产的减产，全球石油生产下降的速度超出市场预期，同时来自欧佩克这个联合企业以外的部分石油生产国的供应大幅下滑，这便加大了油价上涨的可能性。