Display SKU in Woocommerce single product page with OceanWP theme

Solution:

You can try this to show the sku after product title

add_action( 'ocean_after_single_product_title', 'show_product_sku', 5 );
function show_product_sku(){
    global $product;
    echo 'SKU: ' . $product->get_sku();
}