西南石油大学学报(自然科学版) ›› 2009, Vol. 31 ›› Issue (3): 115-117.DOI: 10.3863/j.issn.1674-5086.2009.03.026

• 石油与天然气工程 • Previous Articles     Next Articles

MATERIAL BALANCE EQUATION FOR GAS RESERVOIR WITH HIGH SULFUR CONTENT

FU De-kui1 GUO Xiao1 DU Zhi-min1 DENG Sheng-hui2 LIU Lin-qing3   

  1. 1.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu Sichuan 610500,China;2.Petroleum Engineering Technology Research Institute of Tuha Oilfield,PetroChina,Shanshan Xinjiang 838202,China;3.Southwest Oil & Gas Field Company,PetroChina,Chengdu Sichuan 610051,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-06-20 Published:2009-06-20

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Abstract:

The material balance equation for gas reservoir has been used to determine reserves and OGIP of gas reservoir, judge its driving type and predict its production performance.Gas reservoir with high sulfur content is a special type of reservoir.During the course of development of gas reservoir with high sulfur content,as formation pressure falls continually,deposited sulfur will result in reduction of formation porosity and permeability,which affects the production of gas reservoir with high sulfur content.The material balance equation for common gas reservoir has not taken the sulfur deposition into account.Therefore,it can not be used to accurately describe the production performance of gas reservoir with high sulfur content.Authors of this paper deduces the material balance equation with high sulfur content considering the sulfur deposition for the closed gas reservoir with high sulfur content,which is helpful to predict production performance of gas reservoir with high sulfur content.

Key words: high sulfur content, gas reservoir, material balance equation, sulfur deposition, reserve calculation

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