This petroleum reference includes statistics and articles on the international petroleum industry. The statistics and surveys include: stratigraphic charts; state oil companies directory; industry spending; assays of key world crudes; refining throughput; refining survey; gas processing table; world tables; historival reserves tables; active rigs and seismic crew count; world oil production and reserves; US giant oil fields; US drilling costs; pipeline construction; gas production; chronology of the year in review.