Processing the sludge-like crude takes an enormous effort and releases much more greenhouse gases than conventional crude-oil production.

处理 这种油泥般的资源非常费力，而且释放的温室气体也要比传统的原油开采多得多。

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The composition of waste oily sludge in a crude oil recovery station and bottom oily sludge in a central treatment station are analyzed , a new profile control agent is proposed.

对原油回收站废弃含油污泥及联合站罐底含油污泥组分进行了分析，研制出了一种新的调剖剂。

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Elemental analysis shows that the acid sludge formed contains more unsaturated substances and Fe than the original crude does.

研究认为，酸化淤渣含有许多不饱和物质，胶质和沥青质的含量同原油差别较大。

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