We find that there is always much high salinity brine and oilfield water in Tertiary strata naturally erupted from oil drills when we collect and analyze on those drill data of Qaidam Basin.

• 摘要通过对柴达木盆地油气钻孔资料的整理分析发现，对第三系地层中进行油气勘探时，经常伴有自井中喷出矿化度较高的卤水-油田水。