Relief shown by shading and gradient tints. Depth shown by shading and bathymetric tints. "Published December 2020". Shows gas fields, gas pipelines, liquefied natural gas import terminals, liquefied natural gas export plants, gas processing plants, underground gas storages, and offshore terminals. "Produced by Petroleum Economist, a part of Gulf Energy Information, in partnership with Chevron, the human energy company". Includes 8 inset maps, data tables, charts and supplementary 2020 timetable information. Title panel and advertisement on verso. Accompanies: Petroleum Economist, v. 88, no. 1, February 2021.