دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a radioactive material (often carnotite) put into a well to allow observation of fluid or gas movements by means of a tracer survey.

n: a kind of radioactive substance added into the cement slurry or well ,used as detection sign during tracer survey.

a very low strength radioactive isotope used to tag water or other fluid for tracing the path of fluid in the reservoir or in a well.