Program sffindwellcoord | Find well location by using well coordinates. 
[SYNOPSIS]
sffindwellcoord xcoord=xcoord.rsf ycoord=ycoord.rsf wellx= welly=
[PARAMETERS]
float   | wellx | = |   | 	X coordinate for well 
float   | welly | = |   | 	Y coordinate for well 
file    | xcoord | = |   | 	auxiliary input file name
file    | ycoord | = |   | 	auxiliary input file name
[DIRECTORY]
user/yliu
