diff --git a/flows/NNC.DATA b/flows/NNC.DATA
new file mode 100755
index 000000000..47561a95a
--- /dev/null
+++ b/flows/NNC.DATA
@@ -0,0 +1,156 @@
+-- This reservoir simulation deck is made available under the Open Database
+-- License: http://opendatacommons.org/licenses/odbl/1.0/. Any rights in
+-- individual contents of the database are licensed under the Database Contents
+-- License: http://opendatacommons.org/licenses/dbcl/1.0/
+
+-- Copyright (C) 2023 NORCE
+
+----------------------------------------------------------------------------
+RUNSPEC
+----------------------------------------------------------------------------
+TITLE
+   FLOWS
+
+DIMENS
+  10 1 2 /
+
+EQLDIMS
+  /
+
+TABDIMS
+  /
+
+OIL
+GAS
+WATER
+
+EQLDIMS
+/
+
+TABDIMS
+/
+
+START
+18 'JAN' 1991 /
+
+WELLDIMS
+10 60 10 20 /
+
+UNIFIN
+UNIFOUT
+
+----------------------------------------------------------------------------
+GRID
+----------------------------------------------------------------------------
+INIT
+
+INCLUDE
+'nnc.grdecl' /
+
+-- MANUALLY DEFINE NON-NEIGHBOR CONNECTIONS
+--
+-- ------------ BOX ----------- -- TRANSNCC --
+-- I1 J1 K1 I2 J2 K2
+NNC
+7 1 1 9 1 2 0.2500 / 
+7 1 2 9 1 1 0 / 
+/
+
+BCCON
+1 10 10 2* 1 1 X / 
+2 10 10 2* 1 1 Z- /
+/
+
+PORO
+  20*0.15 /
+
+PERMX
+  20*10.13 /
+
+PERMY
+  20*10.13 /
+
+PERMZ
+  20*10.13 /
+
+----------------------------------------------------------------------------
+PROPS
+----------------------------------------------------------------------------
+ROCK
+  1.0 1e-6 /
+
+SGOF
+0.0 0.0 1.0 0.0
+1.0 1.0 0.0 0.0 /
+
+SWOF
+0.0 0.0 1.0 0.0
+1.0 1.0 0.0 0.0 /
+
+PVTW
+4840.0 1.019 2.7E-6 0.370 1* /
+
+DENSITY
+703 1000. 1.977 /
+
+PVDG
+177.646 0.00366771 4.07825e-02
+181.594 0.00358797 4.19988e-02
+185.542 0.00351272 4.29535e-02
+189.489 0.00344747 4.4076e-02
+193.437 0.00338594 4.51018e-02
+197.385 0.00332806 4.59933e-02
+201.332 0.00327625 4.68878e-02
+205.28 0.00322943 4.78366e-02
+209.228 0.00318451 4.87435e-02
+213.175 0.00314264 4.95567e-02
+/
+
+PVDO
+177.646 1.043 0.390672
+181.594 1.04236 0.392326
+185.542 1.04168 0.393986
+189.489 1.04102 0.395651
+193.437 1.0405 0.397258
+197.385 1.03988 0.398881
+201.332 1.03919 0.400553
+205.28 1.03862 0.402196
+209.228 1.03811 0.403768
+213.175 1.03746 0.405411
+/
+
+----------------------------------------------------------------------------
+SOLUTION
+---------------------------------------------------------------------------
+EQUIL
+0 200 15 0 10 0 1 1 0 /
+
+RPTRST
+BASIC=2 DEN KRW KRG KRO FLORES FLOWS/
+
+----------------------------------------------------------------------------
+SCHEDULE
+----------------------------------------------------------------------------
+RPTRST
+ 'BASIC=2' DEN KRW KRG KRO FLORES FLOWS/
+
+WELSPECS
+  'INJE01' 'INJE' 1 1 1* 'WATER' 0.15 /
+  /
+
+COMPDAT
+  'INJE01' 1 1 1 1 'OPEN' 1* 1* 0.15/
+  /
+
+WCONINJE
+  'INJE01' 'WATER' 'OPEN' 'RATE' 2.  1* 300 /
+  /
+  
+BCPROP
+ 1 DIRICHLET WATER 1* 200 /
+ 2 DIRICHLET WATER 1* 200 /
+/
+
+TSTEP
+  31 28 31 30 31 30 31 31 30 31 30 31
+  /