摘要:
A method of, and equipment for, providing at the sea bed at a deep water site an installation for extracting oil or gas and comprising an anchored base structure and a column extending from the base structure to above the surface and made up of telescopically arranged column sections.
摘要:
Oil and gas extraction from deep water sites. Various structures and equipment are described, including vessels for oil/gas storage beneath the surface and/or conduction to the surface, concrete being extensively used in the construction of the structures. A joint is described that articulately connects a structure to the sea bed or to another structure.