Patent ID: 6780072
Filing Date: 2004-08-24
Classification: B63B

Abstract:
A subsurface buoy used in the production and transport of oil from an underwater well to a production unit at the ocean surface, the subsurface buoy comprising:a first cylindrical body 1 and a second cylindrical body 2, longitudinally positioned parallel and separate from each other and having equal lengths and diameters; a third cylindrical body 3, having a diameter larger than the diameter of said first and second cylindrical bodies 1 and 2, connected transversally to one of the extremities of the longitudinally positioned cylindrical bodies 1 and 2; a fourth cylindrical body 4, having a length equal to the length of cylindrical body 3 and a diameter equal to the diameter of the longitudinally positioned cylindrical bodies 1 and 2, connected transversally to the other extremities of the longitudinally positioned cylindrical bodies 1 and 2; a descending stabilizer 5 connected by its extremities to the longitudinally positioned cylindrical bodies 1 and 2, parallel and close to the fourth cylindrical body 4, configured to stabilize the positioning of the subsurface buoy during the descending and installation operations; supports 9a, connected to the third cylindrical body 3, the extremities of which have a plurality of rigid tubes 10 connected thereto; supports 9b, connected to the fourth cylindrical body 4, the extremities of which having a plurality of flexible tubes 11 connected thereto; intermediary tubes 12, connected to supports 9a and 9b and aligned to the longitudinal cylindrical bodies 1 and 2, the intermediary tubes 12 interconnecting to the rigid tubes 10 and flexible tubes 11; and a tying and dynamically stabilizing system 13 configured to install the subsurface buoy at its depth of operation being connected to vertices formed by the union of cylindrical bodies 1, 2, 3, and 4.