5.As the acid value increase, oil content decrease, oil colour deepen and protein content increase.
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When the oil reservoir development is in its middle or high water content stage, it is a important way to decrease water and increase oil for the high efficiency of the development.
油藏开发进入中、高含水阶段，“降水增油”是确保油田高效开发的重要手段，其中油井找水可为油井卡、堵水提供措施依据，在油田开发中占有重要地位。
The results of industrial standardization showed that the decrease of dry point of raw oil and space velocity was favourable to the decrease of olefine content in the solvent oil.
工业标定结果表明，降低原料油干点和操作空速对降低溶剂油产品烯烃含量有利。
The study result showed that hydrofining can solve the problem of diesel oil actual colloid exceeding standard and decrease sulfur content meanwhile under the suitable technology condition.
研究结果表明，在适宜的工艺条件下，通过加氢精制可克服直馏柴油实际胶质超标问题，同时降低硫含量。
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