Numerical Modeling of counter-Current Spontaneous Imbibition during Underbalanced Drilling

2012 ◽  
Author(s):  
Masoud Naseri ◽  
Caglar Sinayuc
Keyword(s):  
Numerical Modeling ◽  
Spontaneous Imbibition ◽  
Underbalanced Drilling ◽  
Counter Current

Modeling the Effect of Reduced Liquid-Wetting on Spontaneous Imbibition for Condensate Blocking Applications

2012 ◽  
Author(s):  
Nour El Cheikh Ali ◽  
Mahmoud Abouseida ◽  
Mashhad Fahes
Keyword(s):  
Numerical Modeling ◽  
Carbonate Rocks ◽  
Capillary Forces ◽  
Experimental Results ◽  
Spontaneous Imbibition ◽  
Altered Rock ◽  
Liquid Saturation ◽  
Expected Result ◽  
Condensate Blocking

In this paper, we present our interpretation for some of the unexpected experimental results that we obtained during 3D spontaneous imbibition experiments. We treated carbonate rocks with flourochemical polymers where we altered the wettability towards reduced liquid-wetting. The expected result is a reduced imbibition rate as a result of reduced capillary forces. Although the early imbibition rate decreased, we observed an increase in rate at late imbibition time resulting in a higher liquid saturation in the altered rock. We used numerical modeling to interpret the result and show that this observation actually represents the target wettability state we should be seeking in some applications.

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