Thermometry is one of the most informative production logging method. It is used for well and reservoir survey at all stages of well life: drilling, completion and production. The worldwide scope of temperature surveys is very large. However, despite many attempts of quantitative interpretation technique developing, the interpretation of temperature measurements remains mostly on qualitative level. In recent years, due to the ability of temperature logging by distributed sensors and to the appearance of complex numerical simulators of temperature processes in the well-formation system, the interest in the quantitative interpretation is increasing. Particular interest is obtaining individual rates and hydrodynamic parameters in multilayer system by interpretation of temperature and pressure transients. Methods for determination of reservoir parameters and mathematical models of thermo-hydrodynamic processes in the well-reservoir system are described in a number of the papers of groups at Stanford University, Texas A&M University, Bashkir State University in cooperation with the Moscow Research Center of Schlumberger and company TGT. The paper considers mathematical models of thermo- hydrodynamic processes in the well, reservoir and surrounding rocks as well as examples of temperature simulator using for survey designing for different well types and for interpretation of field data.


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