494 Using the Engineering Literature, Second Edition
directories, covering various aspects of the oil and natural gas and electric power indus-
tries. These include pipeline, rening and gas processing, petrochemicals, liquid terminals,
and gas utility. The directories are not available online, but designed to be downloaded to
one computer at a time. When connected to the Internet, users can update listings when
made available.
OPEC. Annual Statistical Bulletin http://www.opec.org/opec_web/en/ (accessed July 23,
2010). Contains tables, charts, and graphs covering the world’s reserves of oil and gas,
crude oil and product output, exports, rening, tankers, and other data. OPEC publications
can be downloaded free of charge from the OPEC Web ...