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一、水质标准的确立注入水基本要求:水质稳定,注入油层不与油层水产生沉淀;2)水被注入油层后不使粘土矿物产生水化膨胀或悬浊。3)注入水中不得携带大量悬浮物,以防堵塞注水井渗滤端面及渗流孔道。4)对注水设备设施腐蚀性小。5)配伍性好:当多种水源混注时,应先进行室内配伍试验,证实配伍性好,对油层物伤害才可以注入。
First, the establishment of water quality standards Basic requirements for water injection: stable water quality, injection of oil and water reservoir does not produce precipitation; 2) water is injected into the reservoir does not make hydration of clay minerals swelling or hanging. 3) into the water shall not carry a large amount of suspended solids, to prevent plugging the injection well percolation end and seepage holes. 4) Water facilities corrosion is small. 5) Compatibility is good: When mixed with a variety of water sources, indoor compatibility testing should be carried out to confirm the compatibility is good, the reservoir damage can be injected.