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Title

Hydraulic Fracture Propagation in Naturally Fractured Reservoir Based On Leak-Off Rate

Year: 1395
COI: NPGC02_164
Language: EnglishView: 248
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Authors

Amir Ghaderi - Petroleum University of Technology, Ahwaz, Iran.
Yaser Salimidelshad - Research Institute of Petroleum Industry, Department of Research and Technology of the rock and fluid reservoirs, Tehran, Iran.
Jaber Taheri Shakib - Research Institute of Petroleum Industry, Department of Research and Technology of the rock and fluid reservoirs, Tehran, Iran.

Abstract:

Fluid leak-off phenomenon plays a critical role in hydraulic fracturing operation. This phenomenon can be very impressive in successful operation of hydraulic fracturing. This operation is very complex in fractured reservoirs due to the reaction between induced fracture and natural fractures. In this study with the cohesive element method, the effect of presence of natural fracture on the magnitude of hydraulic fracturing fluid leak-off is investigated. First of all, cohesive element and extended finite element method methods are described. The fluid flow inside hydraulic fracture and the affecting parameters on leak-off of this fluid on adjacent environment are analyzed. Then, effects of natural fracture on hydraulic fracturing direction such as deviation, leak-off and the mutual influences (which includes the changes of stress regime around the natural fracture) and also changes in pore pressure are processed. The results indicate that presence of natural fracture will cause reduction in aperture of hydraulic fracture. This decrease will lead to extension of fluid lag and eventually delaying of leak-off phenomenon. However, this effect is negligible against the positive impact due to shear and normal displacement on increasing leak-off.

Keywords:

Hydraulic fracture, Natural fracture, Interaction, XFEM

Paper COI Code

This Paper COI Code is NPGC02_164. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/611622/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Ghaderi, Amir and Salimidelshad, Yaser and Taheri Shakib, Jaber,1395,Hydraulic Fracture Propagation in Naturally Fractured Reservoir Based On Leak-Off Rate,2rd National Conference on petroleum geomechanics ,Tehran,,,https://civilica.com/doc/611622

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