The sad thing about the Oklahoma is that Sunday morning the Oklahoma was to have an inspection by a visiting admiral so all the water tight doors through out the ship were open to allow passage of the admirals party.
When the attack came men on the Oklahoma couldn’t get all the doors closed in time to prevent the ship from turning over.
Don’t think WTDs being closed would have saved her. Oklahoma was hit by at least 9 torpedo’s. They ripped open hundreds of feet of hull below the waterline. The only thing that might have save the ship from turning turtle would be to flood the empty fuel and water tanks on the opposite side of the ship. She would have still sunk, but could have gone down on an even keel, like the West Virginia did.