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佟广新，等．吸水剖面测井同位素两次释放新工艺．测井技术，１９９７，２１（４）：２９２～２９６同位素测井一直存在两个重要的技术问题：同位素测井的粘污问题和同一注水井各渗透层吸水量相差较大的测试问题。吸水剖面只能做定性解释。采用一口井释放两次同位素的施工新工艺，用两次释放同位素各测得的动态曲线和稳态曲线叠合，分别用差值法、均值法可以达到对吸水剖面的定量解释。
Tong Guang new, and so on. New technology of twice release of well logging isotopes in water absorption profile. Logging Technology, 1997,21 (4): 292 ~ 296 There are two important technical problems in isotope logging: the problem of viscous contamination in isotope logging and the difference in water absorption of permeable layers in the same injection well. Water absorption profile can only be a qualitative explanation. The new technology of releasing two isotopes in one well was used. The dynamic curve and steady curve of each measured isotope were superimposed. The difference and average method were used to quantitatively explain the water absorption profile.