Resources Contact Us Home
Jack up workover rig with removable workover floor unit

Image Number 11 for United States Patent #6926097.

An offshore jack-up workover rig. The workover rig includes a vessel which may be self powered or powered by a tug. The vessel may be raised above the surface of a water body by extending the legs until they reach the water body bed and then continuing to extend the legs. The workover rig contains a workover floor unit which includes at least a drawworks, a drawworks motor, and a well aperture. The workover rig is detachably mounted on an extensible cantilevered frame. The frame may be extended to position the workover floor unit over an offshore platform to be serviced. The workover floor unit is also configured to mover laterally relative to the extensible frame. The vessel is also provided with a crane. The crane may be used to lift the detachable workover floor unit from the vessel and deposit it, including its equipment, on the platform.

  Recently Added Patents
Magnetic memory element, driving method for same, and nonvolatile storage device
Haworthia plant named `AMSTERDAM`
High-accuracy centered fractional fourier transform matrix for optical imaging and other applications
Server system and method for discovering digital assets in enterprise information systems
ActRIIB proteins and variants and uses therefore relating to utrophin induction for muscular dystrophy therapy
Modular system having expandable form factor
Magnetic reading and writing device
  Randomly Featured Patents
Automotive vehicle key
Electrical connector with improved latch means
Wide-angle zoom lens system
An enveloped coiled tampon
Imaging-based bar code reader utilizing modified rolling shutter operation
Multifunctional restrictive valve
Method for indirect-electrification-type continuous electrolytic etching of metal strip and apparatus for indirect-electrification-type continuous electrolytic etching
Porous core rod
Connecting part between a rigid mechanical element and a hose
Extrusion apparatus