在已投入生产的老油井中，能够较好地评价储层的剩余油饱和度及水淹程度；
The tool also can be used for evaluation of formation oil saturation and formation flooding degree perfectly in an old producing well.
他们的大多数石油来自老的油井，集中在“金三角”地带，在新的油田发现之前，这状况还要持续很多年。
Most of their oil comes from a handful of old oil fields, concentrated in a small area called the "golden triangle." It has been years since any significant new fields have been found.
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