Hydraulic and earth engineering – Marine structure or fabrication thereof – Floatable to site and supported by marine floor
Patent
1987-12-14
1989-09-19
Reese, Randolph A.
Hydraulic and earth engineering
Marine structure or fabrication thereof
Floatable to site and supported by marine floor
405195, 405204, 405224, 166341, E02B 1702, E02B 1700, E02D 2100, E21B 712
Patent
active
048676110
ABSTRACT:
Both an offshore platform mating system and method are disclosed in which adjacent first and second jacket sections are provided with a plurality of corresponding docking poles and receptacles, respectively. Alignment of the adjacent jacket sections is facilitated by using at least one extended or lead docking pole on the first jacket section which projects further toward the second jacket section than do the other docking poles and is thus the first to engage one of the horizontally aligned receptacles when the first and second jacket sections vertically approach. Mating procedures for the first and second jacket sections continue with rotational alignment of the first and second jacket sections about the lead docking pole which acts as a pivot while alignment of the other receptacles is adjusted with respect to the other docking poles. The first and second jacket sections are then brought closer and further docking poles and receptacles are brought together and the load is transferred between structural bearing members.
REFERENCES:
patent: 3545539 (1970-12-01), Manning
patent: 3716994 (1973-02-01), Pogonowski
patent: 3859806 (1975-01-01), Guy et al.
patent: 4426173 (1984-01-01), Richart et al.
patent: 4541755 (1985-09-01), Castel et al.
patent: 4607982 (1986-08-01), Brasted et al.
patent: 4669918 (1987-06-01), Riles
"Construction of the Cognac Platform, 1025 Feet of Water, Gulf of Mexico," G. H. Sterling, A. O. P. Casbarian & Assoc., N. L. Dodge, D. C. Godfrey, presented at the 11th Annual OTC, Apr. 30-May 3, 1979, Publication No. OTC 3493.
"Development of an Alignment System for the Three-Part Cognac Platform Jacket," E. S. Piter, Lowell Johnston & Assoc., G. H. Sterling, B. E. Cox, presented at the 11th Annual OTC, Apr. 30-May 3, 1979, Publication No. OTC 3496.
Reese Randolph A.
Ricci John A.
Shell Offshore Inc.
Smith Mark A.
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