A Study on Pressure Transmission of Unsteady Fluid Flow in Banded Fault Block Reservoir

doi:10.11885/j.issn.16745086.2014.08.26.02

Abstract

Abstract: There is a shortage of researches on pressure transmission in banded fault block reservoir. In view of this,this paper develops mathematical models by using steady state replacement method and material balance law based on two-parameter continuous model to study pressure transmission in low permeability reservoir under constant production rate and constant pressure. The research not only presents the law of pressure transmission of banded fault block reservoir,but also fills the blank in researches on one-dimensional unsteady seepage pressure transmission law in the low permeability reservoirs. The model was applied and the influencing factors were analyzed, and conclusions were drawn that in both constant yield model and the constant pressure model,time is quadratic polynomial of transmission distance. The pressure transmission velocity is positively correlated with the yield, but negatively correlated with the bottom hole flowing pressure. In addition, the model of optimum bottom hole flowing pressure corresponding to the maximum output was obtained.

Key words: pressure transmission law, the model, banded fault block reservoir, the material balance principle, two-parameter continuous model

CLC Number:

TE312

LIU Hailong, WANG Guan, WU Shuhong. A Study on Pressure Transmission of Unsteady Fluid Flow in Banded Fault Block Reservoir[J]. 西南石油大学学报(自然科学版), 2016, 38(5): 135-142.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.16745086.2014.08.26.02

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y2016/V38/I5/135

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