Influence of thermal colmatation of near well bore zones on well production

Authors: M.V. Zaitsev (Oil and Gas Research Institute of RAS)
The models taking into account the influence of the structure of the borehole vicinity areas on the productivity of wells are suggested. There were considered the influence of such factors as near-well bore zone invasion, filtration deformation of matrix solid material, jamming of fluids in pores and thermal expansion of rocks. The necessity of taking into account the influence of temperature changes on the permeability in assessing the efficiency of thermal methods is shown.
The models taking into account the influence of the structure of the borehole vicinity areas on the productivity of wells are suggested. There were considered the influence of such factors as near-well bore zone invasion, filtration deformation of matrix solid material, jamming of fluids in pores and thermal expansion of rocks. The necessity of taking into account the influence of temperature changes on the permeability in assessing the efficiency of thermal methods is shown.


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