This document provides an overview of offshore oil and gas projects worldwide. It discusses the various types of offshore facilities used, such as fixed platforms, compliant towers, and semi-submersibles. It also defines water depth classifications as shallow, deepwater, and ultra-deepwater according to the US Minerals Management Service. The document then gives worldwide statistics on offshore installations, including over 6,500 in 53 countries as of 1989, with the largest numbers in the Gulf of Mexico, Asia, and the Middle East. It also provides specifics on major offshore oil producing regions like the Gulf of Mexico, North Sea, West Africa, Arabian Gulf, and Caspian Sea.