Within the industry, different parts of oil companies are descried as sections of a river: upstream, midstream and downstream.

在石油行业，通常按照河流区域的划分，将石油公司划分为上游、中游和下游。

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Since many major oil companies are looking to get rid of assets downstream, it can be tough to find buyers.

但尽管大型石油公司纷纷希望摆脱下游资产，但买家却是众里难寻。

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Oil exploration and production assets are now in Marathon Oil Corp., while its downstream assets, such as petroleum products, went to Marathon petroleum Corp.

石油勘探和资源属于现在的Marathon Oil Corp，而它下游的资产如石油产品则归到Marathon Petroleum Corp。

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Chairman and CEO RexTillersonRex Tillerson said the earnings jump reflects higher crude oil realizations, improved downstream margins and stronger chemical results.

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Downstream earnings have snapped back so far that I prefer pure play oil producers like Apache with no downstream cyclical vulnerability.

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The US oil behemoth also has a downstream business in Russia, as well as a chemicals business, and a stake in the Caspian Pipeline Consortium, which has recently been approved for expansion.

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