冷东—雷家地区储层类型复杂，原油凝固点高，属于低饱和或不饱和油藏。
The type of reservoir at Lengdong-leijia region is complicate, and solidification point of its crude oil is high and that belongs to low saturated or unsaturated oil reservoir.
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。
Elemental analysis shows that the acid sludge formed contains more unsaturated substances and Fe than the original crude does.
原油中存在不饱和链状化合物及其高的CPI值和甾烯醇都说明原油具有低的成熟度。
The existence of abundant unsaturated liner compounds and stenols as well as high CPI values of liner compounds shows the low maturity of the crude oils.
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