III International Conference

PP-III-45following hydrocarbon type content: aromatics – 2.45, naphthenes – 51.2, paraffin – 46.35%of mass.The experience of the Mastakh gas-condensate field of Yakutiya was later used creatingmore improved processing equipment in other regions of Siberia and the North with activeparticipation of VNII gas in this project, which resulted in the creation of more perfectcondensate processing plants.The analysis of physicochemical characteristics of low-sulfur gas condensate gasolinefractions and their correlation with the appropriate octane numbers on many fields of Siberiashowed that high content of isometric structure paraffin and naphthene hydrocarbon playsignificant role here.By the example of gas condensates of a number of fields (Mastakh, Ust-Viluy, Sredniy-Viluy and others) we have shown the possibility of compounding appropriate gasolinefractions recovered on condensate processing equipment by products of catalytic processingof unbalanced part of these fractions based on modified high-silica zeolite, manufactured toinventor’s certificate USSR # 1721013.It is indicated that the use of unbalanced, that is low-octane gasoline fraction, recovered,for example, on a mini Condensate Processing Plant (CPP) of Mastakh gas condensate field,can be used as raw material for catalytic processing.At the same time the unbalanced part of the reaction products is presented as a separatestream recycle into the reactor, where it is processed together with the above initial gasolinefraction. Part of it can be used for other purposes as well.Gasoline fraction compounded by the extracted catalysate provides the possibility toobtain required quantities of mix gasoline with octane numbers 76 and 85.3 based on motormethod and containing benzene hydrocarbon ≤ 10 % of mass depending on used initialgasoline fraction of a gas condensate field.Thus, the possibility of highly efficient recovery of gasoline A-76 as well as AI-93(research method) on a mini CPP is shown under the conditions of gas condensate field ofSiberia and the North, improving at the same time qualitative characteristics of diesel oil ofwide fractional composition (increasing temperature of its boiling start up to ≥80 o C, and alsoits viscosity characteristics).554