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A New Method for Fracturing Wells Reservoir Evaluation in Fractured Gas Reservoir

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  • Jianchun Guo
  • Yong Xiao
  • Haiyan Zhu

Abstract

Natural fracture is a geological phenomenon widely distributed in tight formation, and fractured gas reservoir stimulation effect mainly depends on the communication of natural fractures. Therefore it is necessary to carry out the evaluation of this reservoir and to find out the optimal natural fractures development wells. By analyzing the interactions and nonlinear relationships of the parameters, it establishes three-level index system of reservoir evaluation and proposes a new method for gas well reservoir evaluation model in fractured gas reservoir on the basis of fuzzy logic theory and multilevel gray correlation. For this method, the Gaussian membership functions to quantify the degree of every factor in the decision-making system and the multilevel gray relation to determine the weight of each parameter on stimulation effect. Finally through fuzzy arithmetic operator between multilevel weights and fuzzy evaluation matrix, score, rank, the reservoir quality, and predicted production will be gotten. Result of this new method shows that the evaluation of the production coincidence rate reaches 80%, which provides a new way for fractured gas reservoir evaluation.

Suggested Citation

  • Jianchun Guo & Yong Xiao & Haiyan Zhu, 2014. "A New Method for Fracturing Wells Reservoir Evaluation in Fractured Gas Reservoir," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-12, April.
    • Handle: RePEc:hin:jnlmpe:814284
    DOI: 10.1155/2014/814284
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    Cited by:

    1. Qiang Xie & Gao Li & Xu Yang & Hongli Peng, 2023. "Evaluating the Degree of Tectonic Fracture Development in the Fourth Member of the Leikoupo Formation in Pengzhou, Western Sichuan, China," Energies, MDPI, vol. 16(4), pages 1-16, February.

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