From e958ee1139cbc357458f3312caa1b5dd2a616132 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C3=A5rd=20Skaflestad?= <Bard.Skaflestad@sintef.no>
Date: Mon, 15 Oct 2018 16:41:10 +0200
Subject: [PATCH] WellState FIBO: Initialize 'nseg_' in init()

Needed to guarantee that numSegments(wellID) returns sensible values
for wellID = numWells()-1 in the case of no multi-segment wells.
---
 opm/autodiff/WellStateFullyImplicitBlackoil.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/opm/autodiff/WellStateFullyImplicitBlackoil.hpp b/opm/autodiff/WellStateFullyImplicitBlackoil.hpp
index 8f8a130cb..c2aa6e828 100644
--- a/opm/autodiff/WellStateFullyImplicitBlackoil.hpp
+++ b/opm/autodiff/WellStateFullyImplicitBlackoil.hpp
@@ -280,6 +280,7 @@ namespace Opm
             {
                 // we need to create a trival segment related values to avoid there will be some
                 // multi-segment wells added later.
+                nseg_ = nw;
                 top_segment_index_.reserve(nw);
                 for (int w = 0; w < nw; ++w) {
                     top_segment_index_.push_back(w);