From 5bbaba68f743038bc60ebbca35b2627ae5062fa1 Mon Sep 17 00:00:00 2001
From: Andreas Lauser <and@poware.org>
Date: Mon, 12 Jan 2015 11:57:09 +0100
Subject: [PATCH] ECL problem: fix incorrect calculation of the initial gas
 mass fraction in oil

once uppon a time I had an incorrect definition of the Rs factor in
mind. this was an artifact from that time...
---
 applications/ebos/eclproblem.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/applications/ebos/eclproblem.hh b/applications/ebos/eclproblem.hh
index bc07b6359..3728ffff3 100644
--- a/applications/ebos/eclproblem.hh
+++ b/applications/ebos/eclproblem.hh
@@ -936,7 +936,7 @@ private:
             // mass fractions.
             Scalar rhooRef = FluidSystem::referenceDensity(oilPhaseIdx, /*regionIdx=*/0);
             Scalar rhogRef = FluidSystem::referenceDensity(gasPhaseIdx, /*regionIdx=*/0);
-            Scalar XoGReal = RsReal*rhogRef / (RsReal*rhogRef + rhooRef);
+            Scalar XoGReal = RsReal/(RsReal + rhooRef/rhogRef);
 
             // convert mass to mole fractions
             Scalar MG = FluidSystem::molarMass(gasCompIdx);