Preheat oven to 325°F. Coat an 8-by-12-inch baking dish with nonstick cooking spray; set aside.
Work together oats, flour, brown sugar, salt and baking soda with your fingertips in a large bowl until no lumps of brown sugar remain. Drizzle oil and fruit juice over the oats and mix in with your fingertips until evenly moistened and crumbly.
Set aside 1/2 cup for the topping; press the remainder evenly in the bottom of the prepared baking dish. Spread apricot preserves over the top. Sprinkle with the reserved oat topping. e until golden, 30 to 40 minutes. Let cool in the baking dish on a rack. Cut into 15 bars. Store at room temperature in an airtight container.