Heat the oil in a large skillet over medium heat. Add the beef and cook, stirring and chopping it finely until browned, about 10 minutes. Turn off the heat and drain and excess fat.
Turn the heat back on to medium, and stir in the water, tomato paste, taco seasoning, and salt. Simmer, stirring ocassionally, until all of the water has evaporated, about 5 to 8 minutes.
Turn off the heat and fold in the beans.
Freeze in individual containers or family size portions. Thaw overnight in the refrigerator, or on the defrost setting in a microwave.