| Patent Number |
Title Of Patent |
Date Issued |
| 7017666 |
Smooth sleeves for drag and VIV reduction of cylindrical structures |
March 28, 2006 |
| A method for controlling drag and vortex induced vibration in a substantially cylindrical element by providing an ultra-smooth surface about the cylindrical element. The system for controlling drag and vortex induced vibration utilizes a substantially cylindrical marine element havin |
| 6702026 |
Methods and systems for reducing drag and vortex-induced vibrations on cylindrical structures |
March 9, 2004 |
| Apparatus for controlling drag and vortex-induced vibration exerted onto a substantially cylindrical element of a fixed position subjected to a fluid flowing environment. Apparatus of the invention comprise a sleeve comprising an ultra-smooth surface. Methods for installing such apparatu |
| 6695539 |
Apparatus and methods for remote installation of devices for reducing drag and vortex induced vi |
February 24, 2004 |
| Apparatus and methods for remotely installing vortex-induced vibration (VIV) reduction and drag reduction devices on elongated structures in flowing fluid environments. The apparatus is a tool for transporting and installing the devices. The devices installed can include clamshell-shaped |
| 6571878 |
Smooth buoyancy system for reducing vortex induced vibration in subsea systems |
June 3, 2003 |
| Smooth buoyancy cylindrical elements having a surface roughness coefficient of K/D less than or equal to 1.times.10.sup.-4, where K is the average peak-to-trough roughness and D is the effective outside diameter of said the cylindrical element are affixed about marine elements to decreas |
| 6565287 |
Apparatus for suppression of vortex induced vibration without aquatic fouling and methods of ins |
May 20, 2003 |
| Apparatus and methods for suppressing vortex-induced vibrations (VIV) of aquatic elements of underwater structures. The system includes use of a sleeve positioned around at least a portion of an aquatic element and at least one strake positioned along at least a portion of the length of |
| 6561734 |
Partial helical strake for vortex-induced-vibrationsuppression |
May 13, 2003 |
| A partial helical strake system and method for suppressing vortex-induced-vibration of a substantially cylindrical marine element, the strake system having a base connected to the cylindrical marine element and an array of helical strakes projecting from the base for about half or le |
| 6067922 |
Copper protected fairings |
May 30, 2000 |
| A fairing system is disclosed for protecting a cylindrical marine element from drag and vortex induced vibration. A noncorrosive fairing shroud is rotatably mounted about the cylindrical marine element and defines an annular region between the exterior of the cylindrical marine element a |
| 6048136 |
Vortex induced vibration protection for deepwater drilling risers |
April 11, 2000 |
| The present invention is a method for deploying a drilling riser VIV suppression system in which a first retaining ring is installed on a syntactic foam buoyancy module encircling the drilling riser with a spring loaded connection. The spring loaded connection is capable of adjusting |
| 6010278 |
Fairings for deepwater drilling risers |
January 4, 2000 |
| A fairing system is disclosed for installation about a drilling riser deployed in a deepwater application. In another aspect of the invention, a method for deploying a drilling riser fairing system is disclosed in which a first retaining ring is installed on a buoyancy can encircling the |
| 5984584 |
Fairings for drilling riser control pod hoses |
November 16, 1999 |
| A fairing system is disclosed for protecting multiple, parallel, bundled but separate cylindrical elements deployed in offshore applications. The fairing system deploys a plurality of elongated fairing surface elements foldable about an axis with a connection system joining the elongated |
