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.

n: a survey that uses a radioactive tracer such as a gas, liquid, or solid having a high gamma ray emission. When the material is injected into any portion of the wellbore, the point of placement or movement can be recorded by a gamma ray instrument. The tracer log is used to determine channeling or the travel of squeezed cement behind a section of perforated casing. Also called tracer survey.

n: see tracer log.

n: A kind of logging ways that using gas ,liquid or solid containning high gamma ray as radioactive tracer.