diff --git a/opm/parser/eclipse/Parser/ParseContext.hpp b/opm/parser/eclipse/Parser/ParseContext.hpp
index dc1838c73..e403b3dd9 100644
--- a/opm/parser/eclipse/Parser/ParseContext.hpp
+++ b/opm/parser/eclipse/Parser/ParseContext.hpp
@@ -194,6 +194,21 @@ namespace Opm {
         */
         const static std::string PARSE_MISSING_INCLUDE;
 
+        /// Dynamic number of wells exceeds maximum declared in
+        /// RUNSPEC keyword WELLDIMS (item 1).
+        const static std::string RUNSPEC_NUMWELLS_TOO_LARGE;
+
+        /// Dynamic number of connections per well exceeds maximum
+        /// declared in RUNSPEC keyword WELLDIMS (item 2).
+        const static std::string RUNSPEC_CONNS_PER_WELL_TOO_LARGE;
+
+        /// Dynamic number of groups exceeds maximum number declared in
+        /// RUNSPEC keyword WELLDIMS (item 3).
+        const static std::string RUNSPEC_NUMGROUPS_TOO_LARGE;
+
+        /// Dynamic group size exceeds maximum number declared in
+        /// RUNSPEC keyword WELLDIMS (item 4).
+        const static std::string RUNSPEC_GROUPSIZE_TOO_LARGE;
 
         /*
           Should we allow keywords of length more than eight characters? If the
diff --git a/src/opm/parser/eclipse/Parser/ParseContext.cpp b/src/opm/parser/eclipse/Parser/ParseContext.cpp
index b788f0b08..a39f2ff11 100644
--- a/src/opm/parser/eclipse/Parser/ParseContext.cpp
+++ b/src/opm/parser/eclipse/Parser/ParseContext.cpp
@@ -79,6 +79,11 @@ namespace Opm {
         addKey(PARSE_MISSING_INCLUDE, InputError::EXIT1);
         addKey(PARSE_LONG_KEYWORD, InputError::WARN);
 
+        this->addKey(RUNSPEC_NUMWELLS_TOO_LARGE, InputError::DELAYED_EXIT1);
+        this->addKey(RUNSPEC_CONNS_PER_WELL_TOO_LARGE, InputError::DELAYED_EXIT1);
+        this->addKey(RUNSPEC_NUMGROUPS_TOO_LARGE, InputError::DELAYED_EXIT1);
+        this->addKey(RUNSPEC_GROUPSIZE_TOO_LARGE, InputError::DELAYED_EXIT1);
+
         addKey(UNSUPPORTED_SCHEDULE_GEO_MODIFIER, InputError::THROW_EXCEPTION);
         addKey(UNSUPPORTED_COMPORD_TYPE, InputError::THROW_EXCEPTION);
         addKey(UNSUPPORTED_INITIAL_THPRES, InputError::THROW_EXCEPTION);
@@ -301,6 +306,11 @@ namespace Opm {
     const std::string ParseContext::PARSE_MISSING_INCLUDE = "PARSE_MISSING_INCLUDE";
     const std::string ParseContext::PARSE_LONG_KEYWORD = "PARSE_LONG_KEYWORD";
 
+    const std::string ParseContext::RUNSPEC_NUMWELLS_TOO_LARGE = "RUNSPEC_NUMWELLS_TOO_LARGE";
+    const std::string ParseContext::RUNSPEC_CONNS_PER_WELL_TOO_LARGE = "RUNSPEC_CONNS_PER_WELL_TOO_LARGE";
+    const std::string ParseContext::RUNSPEC_NUMGROUPS_TOO_LARGE = "RUNSPEC_NUMGROUPS_TOO_LARGE";
+    const std::string ParseContext::RUNSPEC_GROUPSIZE_TOO_LARGE = "RUNSPEC_GROUPSIZE_TOO_LARGE";
+
     const std::string ParseContext::UNSUPPORTED_SCHEDULE_GEO_MODIFIER = "UNSUPPORTED_SCHEDULE_GEO_MODIFIER";
     const std::string ParseContext::UNSUPPORTED_COMPORD_TYPE = "UNSUPPORTED_COMPORD_TYPE";
     const std::string ParseContext::UNSUPPORTED_INITIAL_THPRES = "UNSUPPORTED_INITIAL_THPRES";
@@ -321,5 +331,3 @@ namespace Opm {
     const std::string ParseContext::SIMULATOR_KEYWORD_NOT_SUPPORTED = "SIMULATOR_KEYWORD_NOT_SUPPORTED";
     const std::string ParseContext::SIMULATOR_KEYWORD_ITEM_NOT_SUPPORTED = "SIMULATOR_KEYWORD_ITEM_NOT_SUPPORTED";
 }
-
-