Application efficiency of closed gathering system toward microclimate normalization in operating galleries in oil mines

With respect to mode of occurrence, there are a few tens of promising high-viscosity oil and oily bitumen reservoirs for thermal recovery in the Chechen Republic, Krasnodar Krai, Republic of Tatarstan, Kazakhstan, Uzbekistan and Azerbaijan. The main problem in the thermal EOR method is wicked microclimate in mine galleries. Steam, oil-containing water and pipelines rise air temperature in mine galleries over 40 °С and increase air humidity up to 95%. Safe operation of a production block requires standard quality microclimate. The authors analyze heat sources per stages of oil recovery. It is found that heat and mass exchange between production paths and mine air essentially affects thermal environment in the mine. Based on the analysis of heat releases, it is proposed to use a closed oil gathering system (capping). Using the known procedures to calculate heat input of oil flow to the ambient medium, the alternative heat release computations are performed. Minimization of heat gain by heat insulation of cappings is discussed.

Gendler S. G., Fazylov I. R. Application efficiency of closed gathering system toward microclimate normalization in operating galleries in oil mines. MIAB. Mining Inf. Anal. Bull. 2021;(9):65-78. [In Russ]. DOI: 10.25018/0236_1493_2021_9_0_65.

S.G. Gendler¹, Dr. Sci. (Eng.), Professor,
I.R. Fazylov¹, Graduate Student, e-mail: ildarufa@list.ru,
¹ Saint-Petersburg Mining University, 199106, Saint-Petersburg, Russia.

I.R. Fazylov, e-mail: ildarufa@list.ru.

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