From b333007fc39aaaa4caa91c367febb1a3c81041e4 Mon Sep 17 00:00:00 2001
From: Andreas Lauser <and@poware.org>
Date: Fri, 24 Jan 2014 15:15:22 +0100
Subject: [PATCH] FluidSystems::BlackOil: increase the fugacity coefficient of
 gas in water by a factor of 1000

this makes the PVS model work with SPE-9 and the NCP model to converge
better...
---
 opm/material/fluidsystems/BlackOilFluidSystem.hpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/opm/material/fluidsystems/BlackOilFluidSystem.hpp b/opm/material/fluidsystems/BlackOilFluidSystem.hpp
index 5f3d43386..b7de8b1e7 100644
--- a/opm/material/fluidsystems/BlackOilFluidSystem.hpp
+++ b/opm/material/fluidsystems/BlackOilFluidSystem.hpp
@@ -501,11 +501,10 @@ public:
         // pressure of water as a starting point. (we just set it to
         // 30 kPa to ease interpreting the results.)
         const Scalar pvWater = 30e3;
-        if (compIdx == oCompIdx ||
-            compIdx == gCompIdx)
-        {
+        if (compIdx == oCompIdx)
+            return 1e3*pvWater / pressure;
+        else if (compIdx == gCompIdx)
             return 1e6*pvWater / pressure;
-        }
 
         return pvWater / pressure;
     }