济阳坳陷郑家王庄油田原油生物降解程度为2 ~ 8级，生物降解是导致原油稠化的主要原因。
The biodegradation extent of viscous crude in Zhengjia-Wangzhuang Oilfield is level 2 ~ 8, the biodegradation is the main cause of oil densification.
复合润滑脂指用复合皂(由普通皂与复合剂组成)行稠化制成的润滑脂。
Complex grease a lubricating grease thickened by a complex soap consisting of a normal soap and a complexing agent.
在水力压裂期间输送支撑剂的流体，通常为油、水、泡沫或稠化液。在砾石充填期间输送砾石的流体也称为携带液。
The fluid, usually oil, water, foam, or gelled fluid that transports the proppants during hydraulic fracturing. The fluid that transports gravel during gravel packing is also called carrying fluid.
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