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Three-Dimensional Model of Fracture Propagation from the Cavity Causedby Quasi-Static Load or Viscous Fluid Pumping

  • Yuriy Shokin
  • Sergey Cherny
  • Denis Esipov
  • Vasily Lapin
  • Alexey Lyutov
  • Dmitriy Kuranakov
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 549)

Abstract

Fracture propagation caused by fluid pumping is in the focus of the report. The most popular approaches and problem statements used for the propagation simulation are described.

Methods of simulation of the main processes that take place during the fracture propagation are outlined. There processes are the follows: rock deformation and rock breaking, fluid flow inside the fracture and its filtration in the rock.

New method of fracture propagation simulation is proposed. The method unites three sub-models that describe three (except the fluid filtration) processes that affect the fracture propagation. Important advance of the methodic is its ability to replace any sub-model without numerical algorithm modification. So the appropriate sub-model can be chosen for each process depending on the problem features.

Thus quasi static and unsteady statement may be used for simulation of fracture propagation caused by viscous and inviscid fluid pumping. Rock deformation is described in scope of linear elasticity equation of homogeneous uniform material. Classical (similar to one used in [1]) and dual boundary element methods are used for this equations solution. Rock breaking caused by the fracture propagation is described by Irwin’s criterion coupled with maximal circumferential stress criterion for calculation of propagation direction. Various approaches are used to obtain stress intensity factors that are necessary for both criteria.

Proposed methodic has been applied for fracture propagation simulation. The sensitivity of fracture propagation process to variation of the main physical parameters has been shown.

Keywords

Three-dimensional dual boundary elements method Quasi-Static load Viscous fluid Hydraulic fracturing Non-planar fracture propagation 

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Yuriy Shokin
    • 1
  • Sergey Cherny
    • 1
  • Denis Esipov
    • 1
  • Vasily Lapin
    • 1
  • Alexey Lyutov
    • 1
  • Dmitriy Kuranakov
    • 1
  1. 1.Institute of Computational Technologies of the SB RASNovosibirskRussia

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