Patent ID: 6283678
Filing Date: 2001-09-04
Classification: E02B

Abstract:
A compliant offshore platform, comprising:a. a platform topsides;b. a structural framework supporting said topsides, said structural framework having at least three support legs extending from said topsides downward to a point approximately above the seafloor;c. said structural framework containing appurtenances used for the production of oil and gas;d. the support leg interiors being free of any additional support;e. said platform support structure may have a fixed buoyancy and mass and may be negatively buoyant;f. the support legs being supported by skirt piles rigidly connected to the support legs near the seafloor; andg. the support legs being braced horizontally and diagonally, with limited portions of the structural framework remaining unbraced at one or more locations along the length of the structural framework.