Copynght 19%. Steoring Committee of the European lOR -Syntpoeium. This peper was presunted at the Bth. European lOR Symposium in Vlanna. Auetria. May 15 -Ii. 1995 Thi, peper was selected for presentation by the Steenag Committee, following eview of infomistion contained in en abstract aubmitted by the author(s). The peper. as presented hee not been reviewed by the Steenng Commlttee. ABSTRACT The idea of artificial change of formation temperature to increase oil production has a long history.

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... ce the beginning of the 2Oth century. Different methods and technologies to heat heavy oh has being created and implemented in deferent scales. This methods compose of three main trends: -producing wells bottom-hole theimal treatment; -formation treatment by beat carriers injection and; -in-situ combustion process.