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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 6478511 | Floating system with tensioned lines A floating system for very deep water includes a floating structure (1) subject to the external loadings (7, 8, 9) inducing stresses, the floating structure (1) being held in position on the sea bed by one or several tensioned lines (2) made of a material... | 11/12/2002 |
| 6321844 | Hybrid riser and method for sub-sea transportation of petroleum products with the device A method for transporting petroleum products in deep water from the seabed up to a floating or semi-submersible surface structure wherein at least one rigid and straight hybrid riser extends vertically. The hybrid riser has a rigid central hollow tubular ... | 11/27/2001 |
| 6213157 | Submarine pipeline for transporting petroleum products A pipeline comprises flow lines in which petroleum products flow and a protective carrier pipe around the flow lines. It further comprises a buoyancy module made of a thermally insulative material that is mechanically resistant to the hydrostatic pressure... | 04/10/2001 |
| 6139224 | Semi-submersible platform for offshore oil field operation and method of installing a platform of this kind The platform comprises a buoyant sub-structure comprising a base and a plurality of columns upstanding from said base, a buoyant deck-hull mounted on the columns and means for ballasting and deballasting at least the base of said sub-structure. It further... | 10/31/2000 |
| 6082391 | Device for hybrid riser for the sub-sea transportation of petroleum products A device for transporting petroleum products in deep waters from the seabed up to a floating or semi-submersible surface structure wherein at least one rigid and straight hybrid riser extends vertically. The hybrid riser has a rigid central hollow tubular... | 07/04/2000 |
| 5186581 | Gravity base structure of an offshore platform resisting to icebergs The structure comprises a concrete monolithic caisson (3) consisting of a top slab (5) and a bottom slab (5') resting on a seabed. Two concentric peripheral walls (6, 7), an inner and an outer respectively, are designed to withstand the impacts of iceberg... | 02/16/1993 |
| 5044830 | Gravity base structure for an offshore platform in arctic regions A gravity base structure for an offshore platform having deck supporting columns extending from seabed to above seawater level includes bottom and top slabs having inner and outer protective walls extending between them with a lattice structure for transm... | 09/03/1991 |
| 4906138 | Gravity base structure for an offshore platform in arctic regions A gravity base structure for an offshore platform includes a caisson having a bottom slab, a top slab, and inner and outer concentric walls which extend between the bottom and top slabs, and partition walls that form a lattice structure of triangular pris... | 03/06/1990 |
| 4895481 | Non-rigid marine platform with surface wellheads A platform consisting of a rigid structure supporting the deck, floats fixed to the lower part of the rigid structure, and flexible structure formed of piles fixed by their upper ends to the rigid structure and to the floats and by their lower ends to a b... | 01/23/1990 |
