TY - BOOK ED - United Nations Institute for Traning and Research (UNITAR) ED - Petróleos de Venezuela S.A. (PDVSA) TI - International conference on heavy crude and tar sands: 2 U1 - 665.5 PY - 1982/// CY - Caracas PB - UNITAR, PDVSA KW - Petróleo KW - Gas Natural KW - Petroquímica KW - Congresos y Conferencias N1 - 06435; Characterization on heavy oil. Heavy oil development in Saskatchewan. The impact of geology on the desing and performance on in situ projects. The syncude plant the first years of operation. Applications summary on the use of general electric co. thermocase insulated steam tubulars for thermal recovery of low api gravity crude. Extraction of vanadium and nickel from Athabasca oil sanda fly ash. Trends and some results of pilot operations for thercovery and utilization of bitumen in Tatar Assr ER -