Patent ID: 9567038
Date: 2017-02-14
CPC Classifications: B63B,B63C,E02B

Claim:
1. An apparatus for transportation, installation and retrieval of marine structures comprising: at least two inter-connected vessels with adjustable buoyancy; wherein each of the at least two inter-connected vessels comprises a first end and a second end and are equipped with a mechanism for lifting and carrying a marine structures; wherein the at least two inter-connected vessels are connected to one another at each said first end at an angle and are free at each said second end forming a V-shape; wherein the at least two inter-connected vessels are connected to one another substantially via at least one cross beam at points on a deck of each of the at least two inter-connected vessels, said points being between engaged first ends and free second ends resulting in room for carrying a load having a center of gravity situated between the free second ends of the at least two inter-connected vessels and the at least one cross beam; wherein the at least two inter-connected vessels are barges comprising a hull structure and being equipped with ballast tanks for ballasting and de-ballasting the barges evenly or at desired ends; and wherein consoles are provided for lifting and securing the load along the at least one cross beam between the barges and at symmetrically opposite locations near the free second end of each of the barges.