Mechanical Determination of Re-Fracture Well Create New Fracture

Wan Chun Zhao; Ting Ting Wang; Guo Shuai Ju

doi:10.4028/www.scientific.net/AMM.29-32.1369

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 29-32Mechanical Determination of Re-Fracture Well...

Mechanical Determination of Re-Fracture Well Create New Fracture

Abstract:

The mechanical distribution of refracturing rock around well is Considered, the induced stress of vertical fractured well changes in pore pressure is first to establish, taking into account the fluid compressibility, the introduction of the initial artificial fracture fluid factor, an evolution model of in-situ stress is built up for initial fracture. Consider the impact of temperature on the reservoir rock, an evolution model of the temperature induced stress model is built up, Combined with in-situ stress field, an evolution model of Mechanical determination conditions of re-fracture well create new fracture is built up. Calculation of a block of Jilin Oilfield injection wells by the three effects of stress around an oil well, the theoretical calculation results are consistent with the field.

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Periodical:

Applied Mechanics and Materials (Volumes 29-32)

Pages:

1369-1373

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.29-32.1369

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Online since:

August 2010

Authors:

Wan Chun Zhao, Ting Ting Wang, Guo Shuai Ju

Keywords:

Induced Stress Field, New Fracture, Refracturing

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References

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