Fractured Well Performance

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Fractured Well Performance

• Productivity Index in Pseudo-steady state

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The Simplest Possible Configuration Vertical,
fully penetrating fracture Schematics
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Fracture Flow Regimes
Linear Fracture Flow
Eliptical or Transition Flow
Bilinear Flow
Pseudo Radial Flow
Linear Formation Flow
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Hydraulically Fractured Reservoirs
(t hr)
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Infinite Conductivity or Finite conductivity
Fracture?

• More complicated flow regimes
• Bi-linear flow may dominate a large part of the
  well response

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Region of
Region of
Bilinear Flow
Linear Flow
Dimensionless
D
p
Fracture Conductivity
C
fD
Dimensionless Pressure,
Dimensionless Time,
t
Dxf
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Type curve (Cinco-Ley et al. ) with derivative
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Specialized Plot Bilinear Flow (Cinco-Ley)
Uniqueness?
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Specialized Plot Formation Linear Flow
Uniqueness?
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Pseudoradial Flow
s is a function of CfD and xf
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Flow impairment due to fracture skin
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Flow impairment due to fracture choke
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Economides et al. CfD 1