Joe Wayne Key - Magnolia TX Calvin Vinal Norton - Houston TX Robert Edward Clague - Houston TX
Assignee:
Friede Goldman, Ltd. - Houston TX
International Classification:
B63B 3500
US Classification:
114265
Abstract:
A semi-submersible floating production vessel which has a ring pontoon. Three main columns extend upwardly from corners of the pontoon and three secondary, minor columns. extend upwardly from centers of the triangle sides. The columns are surrounded with fenders for protecting the columns from impact with floating bodies. The columns support an open frame deck, on which production modules are positioned. The vessel is adapted for semi-permanent mooring with pre-tensioned mooring lines that are attached to swivel padeyes secured on the main columns below the water line. Production and export risers are connected to the vessel below the water line. Compressed air ballast system allows selective emptying of ballast compartments located in the ring pontoon and eliminates the need for a conventional pump room.
A cartridge of tubulars may be removably positioned with a carriage, and the carriage may move the cartridge transversely, vertically, and/or rotationally to roll tubulars on an adjacent tubular receiving member using only gravity from a selected tier of tubulars without human contact. A single trolley disposed with the tubular receiving member both pushes and pulls tubulars toward or away from the drilling deck.
Eugene Begnaud - Orleans LA, US Calvin Norton - Gretna LA, US Bruce Malcolm - New Orleans LA, US
International Classification:
B63B035/44
US Classification:
114/265000
Abstract:
The invention relates to a semi-submersible vessel designed to operate in harsh environment. The vessel has a twin-hull pontoon structure that supports four corner caissons extending vertically from the pontoons above an operational draft of the vessel. A pair of slender parallel horizontal braces connects each pair of opposing caissons, the braces extending in a general plane perpendicular to longitudinal axes of the pontoons. One of the pair of braces is secured between the forward columns and another of the pair of braces is secured between the aft columns. The braces reduce spreading and torque-induced forces acting on the columns, while not substantially increasing water plane area of the vessel. Each brace has an internal “redundancy” feature, being divided into two independent watertight compartments to continue providing buoyancy to the structure if one of the compartments is breached. Station keeping is accomplished with a full dynamically positioned system consisting of a plurality of thruster assemblies mounted on the starboard and port sides of the pontoon hull.
Paul Stephen Tetley - Katy TX, US Daniel B. Holsberg - Cypress TX, US Calvin Vinal Norton - Houston TX, US
Assignee:
Friede Goldman United, Ltd. - Houston TX
International Classification:
E21B 19/14
US Classification:
414 2261, 414 2251, 414800
Abstract:
A cartridge of tubulars may be removably positioned with a carriage, and the carriage may move the cartridge transversely, vertically, and/or rotationally to roll tubulars on an adjacent tubular receiving member using only gravity from a selected tier of tubulars without human contact. A single trolley disposed with the tubular receiving member both pushes and pulls tubulars toward or away from the drilling deck.
Dynamically Positioned Semi-Submersible Drilling Vessel With Slender Horizontal Braces
Eugene E. Begnaud - New Orleans LA Calvin V. Norton - Gretna LA Bruce Malcolm - New Orleans LA
Assignee:
Friede Goldman, Ltd. - Houston TX
International Classification:
B63B 3544
US Classification:
114264, 114265, 4051951, 405200
Abstract:
The invention relates to a semi-submersible vessel designed to operate in harsh environment. The vessel has a twin-hull pontoon structure that supports four corner caissons extending vertically from the pontoons above an operational draft of the vessel. A pair of slender parallel horizontal braces connects each pair of opposing caissons, the braces extending in a general plane perpendicular to longitudinal axes of the pontoons. One of the pair of braces is secured between the forward columns and another of the pair of braces is secured between the aft columns. The braces reduce spreading and torque-induced forces acting on the columns, while not substantially increasing water plane area of the vessel. Each brace has an internal âredundancyâ feature, being divided into two independent watertight compartments to continue providing buoyancy to the structure if one of the compartments is breached. Station keeping is accomplished with a full dynamically positioned system consisting of a plurality of thruster assemblies mounted on the starboard and port sides of the pontoon hull.
- Houston TX, US Daniel B. Holsberg - Cypress TX, US Calvin Vinal Norton - Houston TX, US
Assignee:
Friede Goldman United, Ltd. - Houston TX
International Classification:
E21B 19/14
US Classification:
4147468, 414800
Abstract:
A cartridge of tubulars may be removably positioned with a carriage, and the carriage may move the cartridge transversely, vertically, and/or rotationally to roll tubulars on an adjacent tubular receiving member using only gravity from a selected tier of tubulars without human contact. A single trolley disposed with the tubular receiving member both pushes and pulls tubulars toward or away from the drilling deck.
Fiserv Dec 2015 - Nov 2017
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