Recently,Daqing logging company developed a BGO detector C/O logging tool which is expects to improve the accuracy of C/O in determining oil saturation in a formation.

• 近来，大庆测井公司研制成功了BGO（锗酸铋）探测器的碳氧比测井仪，可望较大地提高C／O判断地层含油饱和度的精度。