METHOD FOR FORMATION PERMEABILITY PROFILE DETERMINATION

摘要

This invention relates to the oil and gas industry, more specifically, to the development of heavy oil and asphaltic bitumen deposits. The method of determining a formation permeability profile comprises the formation pre-heating by steam circulation in a well, partial closing of an annulus, stopping steam circulation in the well, carrying out temperature monitoring along the wellbore using distributed temperature sensors from the moment of steam circulation stoppage till the achievement of a thermally stable condition, creating an analytical model of pre-heating stage for solving inverse problem and determining the formation permeability profile.