An analytical procedure as well as the separation method of the hydrocarbon constituents in heavy distillate and residue of crude shale oil is recommended.

通过本工作，初步拟定了适合于页岩油重油、残油的族组成系统分析的方法流程，同时也是族组份分离方法。

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If we could extract that crude, accurately termed "shale oil" it would amount to a huge resource.

如果我们能够开采出这类准确的说法叫做“页岩油”的原油，那将是一项庞大的自然资源。

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Oil inventory data released this week showed U. S. commercial crude supplies remain near their highest levels in several decades, as the U. S. shale boom continues to drive record production.

上周公布的数据显示，美国商品原油供给量仍接近几十年来的最高点，原因是美国页岩油行业的蓬勃发展使产油量达到历史最高水平。

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The operating environment has certainly improved for Halliburton, as higher crude oil prices and new shale gas drilling projects have brought new opportunities for oil services firms.

FORBES: Halliburton's Valuation A Little Too Hefty

Oil shale is an idea that was tested a generation ago, then abandoned when the price of crude oil plunged.

NPR: Squeezing Oil Out of Stones in the Rocky Mountains

As traditional oil fields yield less and less, major producers are looking for crude in less conventional places, from oil sands and shale plays to ultra deepwater.

FORBES: Icahn Could Push For Dividends At Transocean, The Only Major Driller Not Paying Shareholders