Patent · US Expired

Artificial island for installing oil drilling equipment in ice covered sea areas

US4326822A · kind A · utility

16Cited by
8References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 1979
Grant dateApr 27, 1982
Priority date
Expiry dateNov 27, 1999

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE02B17/0021
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An artificial island for installing oil drilling equipment in ice covered sea areas, comprising barricades against ice which surround oil drilling equipment installed in ice covered sea-water and whose respective top portions are projected above the surface of the sea-water, means provided at the bottom portions of the barricades so as to fix them to the sea-bottom, and inclined ice breaking walls provided at the outer sides of the barricades.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.