Correction of Results from Hydrocarbon-Generating Simulation

Abstract

Abstract: Base on thermal simulation experiment of lacustrine mudstone of Type 112 and petroleum generation pattern, this paper propos-es the correction method for estimation of hydrocarbon generating quantity in oil gas bearing basin from the thermal simulation result. It is suggested that these thermal simulation result can not directly be used to estimate the quantity due to presence of certain errors compared with real hydrocarbon-generating patterms. The sclection of vitrinite reflectance at oil generating peak when correction should be based on measured source rock evolutive section in a basin for different basins or different source rocks have somewhat different vitrinite re-flectance. In addition, no distinct relationship between hydrogen and methane in hydrocarbon-generating mechanism means that estimation of gas quantity should exclude hydrogen in gross gaseous hydrocarbons. Corrected vitrinite rellectance has to be adopted to develop mathematic models for oil-gas production rate and related charts.

Key words: hydrocarbon generation, thermal simulation, resource evaluation, mathematic model

CLC Number:

GAO Gang, LIU Guang-di, WANG Zhao-feng. Correction of Results from Hydrocarbon-Generating Simulation[J]. Xinjiang Petroleum Geology, 2005, 26(2): 202-205.

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