Preheat oven to 400 degrees.
Mix oil, eggs, sugar, pumpkin and water in a medium bowl.
In a small bowl, mix together flour, baking soda, baking powder, cinnamon, and salt. Add dry ingredients to oil mixture.
Stir in chocolate chips.
Add batter to greased muffin cups and bake for 20 minutes.
Once cooled, freeze in freezer bags for up to 6 months.