The development of the tracer test technology among wells in oil fields has been reviewed in this paper. Both advantages and weakness about the tracer test among wells from the first generation to the fourth generation have been briefly analyzed, meanwhile, a more systematic technology, i.e. comprehensive static and dynamic analyses method has been raised here. The authors proposed that the fourth generation technology with professional interpretation and comprehensive analysis had more advantage. This technology applied in the reservoir development of water drive, steam soak and immiscible displacement has been shown and discussed. Meanwhile, the evaluation on several relevant methods that have been widely used in China has been briefly discussed here. In conclusion, the tracer test technology among wells should be a mature and advanced method during the oil field development at the present age, it should have a widely and excellent prospect of application.

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