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为满足低渗透油层开发需要,保证注水效果,不污染堵塞地层,对注水水质及含油污水处理技术提出了更高的要求。大庆油田现已研究出一种能够满足低渗透油层注水要求的含油污水深度处理技术。一低渗透油层注水水质标准大庆油田开发的低渗透油层渗透率一般在0.15μm~2以下,根据1988年能源部制定的《碎屑岩油藏注水水质推荐指标及分析方法》的要求,注水水质标准如表1。
In order to meet the development needs of low permeability oil reservoirs and guarantee the water injection effect, it does not pollute and block the strata, and puts forward higher requirements on water injection quality and oily wastewater treatment technologies. Daqing Oilfield has now developed an oil-bearing wastewater treatment technology that meets the requirements of water injection in low permeability reservoirs. A Low Permeable Reservoir Water Quality Standard The permeability of low permeable reservoirs developed in Daqing Oilfield is generally below 0.15μm ~ 2. According to the requirements of “Recommended Indicators and Analysis Methods for Injection Water Quality of Clastic Reservoir” formulated by the Ministry of Energy in 1988, water quality The standard is shown in Table 1.