Effect of Non-Uniform Formation Damage on the Inflow Performance of Horizontal Wells.

1999 ◽  
Author(s):  
Habib Menouar ◽  
Abdulaziz Al-Majed ◽  
Syed Sajid Hasan
Keyword(s):  
Horizontal Wells ◽  
Formation Damage ◽  
Inflow Performance

Formation Damage in Horizontal Wells Caused by Polymer Mud

1996 ◽  
Author(s):  
Z. Krilov ◽  
A.K. Wojtanowicz ◽  
M. Tomic
Keyword(s):  
Horizontal Wells ◽  
Formation Damage

Non-Darcy Binomial Deliverability Equations for Partially Penetrating Vertical Gas Wells and Horizontal Gas Wells

2009 ◽  
Author(s):  
Tao Zhu ◽  
Jing Lu
Keyword(s):  
Bottom Water ◽  
Horizontal Wells ◽  
Vertical Wells ◽  
Gas Wells ◽  
Gas Reservoirs ◽  
Gas Reservoir ◽  
Gas Well ◽  
Increase Productivity ◽  
Flow Domain ◽  
Inflow Performance

Many gas reservoirs are with bottom water drive. In order to prevent or delay unwanted water into the wellbore, the producing wells are often completed as partially penetrating vertical wells, and more and more horizontal wells have been drilled in recent years in bottom water drive gas reservoirs to reduce water coning and increase productivity. For a well, non-Darcy flow is inherently a near wellbore phenomenon. In spite of the considerable study that non-Darcy behavior of fully penetrating vertical wells, there has been no study of a partially penetrating vertical well or a horizontal well in a gas reservoir with bottom water drive. This paper presents new binomial deliverability equations for partially penetrating vertical gas wells and horizontal gas wells, assuming that only radial flow occurs in the near wellbore non-Darcy’s flow domain. The inflow performance of a vertical gas well is compared with that of a horizontal gas well. The proposed equations can account for the advantages of horizontal gas wells.

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