TY - JOUR
T1 - Analytical modeling of acceleration-induced conductivity damage in a propped hydraulic fracture of a high-pressure gas well
AU - Jiang, Hailong
AU - Chen, Mian
AU - Jin, Yan
AU - Chen, Kangping
N1 - Funding Information:
The authors are grateful for the support provided by the Chinese National Science Foundation (No. 51174217 ) and the Chinese National Science Fund for Distinguished Young Scholars (No. 51325402 ). K.P. Chen is supported by the National Science Foundation and the Donors of the Petroleum Research Fund, administered by the American Chemical Society.
Publisher Copyright:
© 2015 Elsevier B.V.
Copyright:
Copyright 2018 Elsevier B.V., All rights reserved.
PY - 2015/9/1
Y1 - 2015/9/1
N2 - The compressible pseudoradial and pseudosteady state flow in a well intersected by a finite-conductivity vertical fracture is analyzed. A modified dimensionless fracture conductivity reflecting the acceleration effect is introduced from a comparison of the mass rate of an accelerating flow and that of a Darcy flow at the same pressure drawdown. It is shown that a gas flow with the acceleration effect can be choked at a moderate drawdown pressure. The damage to the dimensionless fracture conductivity caused by the acceleration effect is significant when the fracture permeability is greater than 20D, the reservoir permeability is greater than 5mD, the fracture length is less than 200 m or the reservoir pressure is higher than 100 MPa. In a low permeability reservoir (<1 mD), the Forchheimer drag is significant, while the acceleration effect is negligible.
AB - The compressible pseudoradial and pseudosteady state flow in a well intersected by a finite-conductivity vertical fracture is analyzed. A modified dimensionless fracture conductivity reflecting the acceleration effect is introduced from a comparison of the mass rate of an accelerating flow and that of a Darcy flow at the same pressure drawdown. It is shown that a gas flow with the acceleration effect can be choked at a moderate drawdown pressure. The damage to the dimensionless fracture conductivity caused by the acceleration effect is significant when the fracture permeability is greater than 20D, the reservoir permeability is greater than 5mD, the fracture length is less than 200 m or the reservoir pressure is higher than 100 MPa. In a low permeability reservoir (<1 mD), the Forchheimer drag is significant, while the acceleration effect is negligible.
KW - Acceleration effect
KW - Dimensionless fracture conductivity
KW - Gas flow rate
KW - Propped hydraulic fracture
UR - http://www.scopus.com/inward/record.url?scp=84934906710&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84934906710&partnerID=8YFLogxK
U2 - 10.1016/j.jngse.2015.06.019
DO - 10.1016/j.jngse.2015.06.019
M3 - Article
AN - SCOPUS:84934906710
SN - 1875-5100
VL - 26
SP - 185
EP - 192
JO - Journal of Natural Gas Science and Engineering
JF - Journal of Natural Gas Science and Engineering
ER -