Squeeze one orange into a bowl and add white wine vinegar and sugar. Mix well. Section the other orange and chop. Set aside.
In a skillet, heat 2 tablespoons butter and cook pork chops. When one side of pork chops brown, turn them over, pour white wine, cover and cook over medium heat until pork chops are cooked thoroughly. When pork chops are cooked, place each on the serving plate.
In the same skillet, pour orange juice mixture and chopped oranges. Cook over low heat mashing oranges until oranges are mashed completely. Then add heavy cream and simmer until thickens.
Add 1 tablespoon butter and stir well. Season with salt and pepper.