Productivity Analysis of Fractured Well in Tight Oil Reservoir

Yong Gao Xu; Xian Wen Li; Rui Quan Liao; Dong Jin Xu

doi:10.4028/www.scientific.net/AMR.893.712

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 893Productivity Analysis of Fractured Well in Tight...

Productivity Analysis of Fractured Well in Tight Oil Reservoir

Abstract:

Hydraulic fracturing is an effective technique for increasing the productivity of wells producing from low permeability and tight oil formations (Reservoir permeability is less than 0.1mD). By establishing the seepage model of vertically fractured well, concerned on the threshold pressure gradient and stress sensitivity of the reservoir, the mathematical model has been solved and the productivity equation of vertically fractured well has been obtained in the paper. The productivity analysis shows that the bigger the threshold pressure gradient, the lower the productivity of oil well; the stronger the stress sensitivity, the lower the productivity, besides, the initial productivity of oil well increases with the increasing length of the fracture, but the increase rate tends small.

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Periodical:

Advanced Materials Research (Volume 893)

Pages:

712-715

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.893.712

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Online since:

February 2014

Authors:

Yong Gao Xu*, Xian Wen Li, Rui Quan Liao, Dong Jin Xu

Keywords:

Oil Well Productivity, Stress Sensitivity, Threshold Pressure Gradient, Tight Oil, Vertically Fractured Well

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References

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