Saute celery, onion and green pepper in oil. Add with potatoes and 1 cup water and cook until potatoes are tender. Remove all skin and bones from salmon and add along with juice to 1 cup milk and 1 cup cream. Let simmer 1 hour and add 2 tablespoons butter. Continue to simmer, do not boil, until ready to serve.
Sprinkle with paprika for added color.