diff --git a/workflows/relperm/morph_getpores.py b/workflows/relperm/morph_getpores.py
index e69de29b..dd59fcc6 100644
--- a/workflows/relperm/morph_getpores.py
+++ b/workflows/relperm/morph_getpores.py
@@ -0,0 +1,56 @@
+#!/usr/bin/env python
+
+import sys
+import numpy as np
+from dist_func_utils import * 
+from glob import glob
+
+# Check if there is a proper command line argument
+if len(sys.argv) !=2:
+    sys.stderr.write('Usage: ' + sys.argv[0] + ' <Domain.in>\n')
+    sys.exit()
+# end if
+
+# Read 'Domain.in' to obtain the size of 'SignDist.xxxxx'
+f = open(sys.argv[1],'r')
+lines = f.readlines()
+nx,ny,nz = np.fromstring(lines[1].splitlines()[0],dtype = np.int32,sep=' ')
+f.close()
+#nx = ny = nz = 128
+nx+=2 # consider the halo layer
+ny+=2
+nz+=2
+
+base_name = 'SignDist.'
+file_input_group = glob(base_name+'*')
+
+# Prepare output file: 'pores_xxxxx.csv'
+output_data_name = 'pores_'
+output_data_format = '.csv'
+
+# Process all imported experimental images
+if not file_input_group:
+    print 'Error: Input files cannot be found ! '
+else:
+    for ii in range(len(file_input_group)):
+        file_input_single = file_input_group[ii]
+        file_input_single_idx = file_input_single[file_input_single.find(base_name)+len(base_name):]
+        print '--- Get pore size information for '+file_input_single+' now ---'
+        dist = np.fromfile(file_input_single,dtype = np.float64)
+        dist_on_skel,connect_stats = detect_intersection_point_with_cluster_filter(dist,nx,ny,nz)
+        [z_skel,y_skel,x_skel] = np.where(dist_on_skel>0.0)
+        output_data = np.column_stack((x_skel,y_skel,z_skel,dist_on_skel[dist_on_skel>0.0]))
+        print '--- Save pore size csv file ---'
+        np.savetxt(output_data_name+file_input_single_idx+output_data_format,output_data,delimiter=' ')
+
+    #end for
+#end if    
+
+
+
+
+
+
+
+
+
diff --git a/workflows/relperm/morph_reducepores.py b/workflows/relperm/morph_reducepores.py
index e69de29b..bd8114ee 100644
--- a/workflows/relperm/morph_reducepores.py
+++ b/workflows/relperm/morph_reducepores.py
@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+
+import numpy as np
+import sys
+
+# Check if there is a proper command line argument
+if len(sys.argv) !=3:
+    sys.stderr.write('Usage: ' + sys.argv[0] + ' pores.csv Sw_list\n')
+    sys.exit()
+# end if
+
+# Read 'pores.csv' and a list of Sw
+pores = np.genfromtxt(sys.argv[1])
+Sw    = np.genfromtxt(sys.argv[2])
+#NOTE: 'pores.csv' has a layout of : [x,y,z,pore_radius]
+pores = pores[:,-1]
+
+# Calculate the percentile according to the Sw list
+if Sw.max()<=1.0 and Sw.min()>=0.0:
+    radii_init_imbib = np.percentile(pores,100.0*Sw.ravel())
+else:
+    print 'Error: the list of Sw should have values 0.0 - 1.0 !'
+    sys.exit()
+#end if
+radii_init_imbib.shape = (radii_init_imbib.size,1)
+
+# Write out initial guess for imbibition
+output_name = 'radius.csv'
+print '------ Initial radii for morphological imbibition is written to the file: '+output_name+' ------'
+np.savetxt(output_name,radii_init_imbib)
+
+