C/O spectroscopy logging acquires lots of information, but only a litte of which are used in production, such as FCC data, C/O data and Si/Ca data, etc. .

• 碳氧比能谱测井记录了很多信息 ,在生产中仅用了 FCC、C/ O、Si/ Ca等几条计数率比值曲线 ,信息量浪费很大。