DAMMAM, 17 October — The total volume of export from the Saudi Aramco Shell Refinery (SASREF), an Aramco-Shell joint venture, since the refinery was commissioned in 1985 has reached 200 million tons, according to a top official of the refinery. Its major exports, which are noted for their high quality, include kerosene, naphta, gasoline, gas oil and heavy fuel oil, Muhammad Al-Omair, SASREF’s president and managing director, said on Monday.