New Model for Calculation of H2S-Rich Natural Gas Deviation Factor

Abstract

Abstract: The development of new model for calculation of H₂S-rich natural gas deviation factor is based on the deviation factor Z value measured by Li Qun, et al. and non-integral power polynomial fitting method. The measured deviation factor is calculated by simulation using this new model and Dranchuk-Abu-Kassem-Wichert-Aziz model. The comparison results with tested data show that the new model is in good accordance with experimental Z value, with average relative error of 0.276% and maximal relative error of 2.734%, obviously higher than that of Dranchuk-Abu-Kassem-Wichert-Aziz model in accuracy. In addition, the new model is characterized by quick calculation and convenient differential-integral calculation.

Key words: deviation factor, H₂S, natural gas, model, relative error

CLC Number:

TE124.1

BIAN Xiao-qiang, DU Zhi-min, TANG Yong. New Model for Calculation of H₂S-Rich Natural Gas Deviation Factor[J]. Xinjiang Petroleum Geology, 2010, 31(5): 524-526.

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New Model for Calculation of H₂S-Rich Natural Gas Deviation Factor

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