Season pork chops with seasoning salt and pepper, coat completely with flour. Heat oil in heavy skillet. Add pork chops and brown on each side (about 3 minutes per side). Remove and set aside. Add sliced onions to the pan drippings and cook for 1 minute. Add remaining flour continue to stir until onions and flour begin to brown. Add 2 cups of water and bring to a boil, stir until incorporated and return pork chops to the gravy, cover skillet, reduce heat and simmer for 20 to 25 minutes until gravy is thick and pork chops are tender.