This new method takes comprehensive consideration of water quality compatibility, water treatment, water injection, stimulation measures, planned volume of water being injected and cost balance in order to lower water injection cost in oilfields. 该方法综合考虑了油田注入水水质的配伍性、水质处理工艺、注水井吸水能力、增注措施、油田配注要求以及注入水综合成本等各方面的要求;