Shallow draft floating offshore drilling/producing structure

Details Shallow draft floating offshore drilling/producing structure Shallow draft floating offshore drilling/producing structure

1996-09-27

1998-11-10

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Floatable to site and supported by marine floor

114264, 405 28, 405224, B63B 3544, E02B 1700

Patent

active

058333975

ABSTRACT:
A shallow draft floating offshore drilling/producing structure. The structure is formed from a buoyant hull on which one or more modules or decks may be placed to support process equipment, a drilling rig, utilities, and accommodations for personnel. Drilling and/or producing is accomplished through a center well in the hull. The hull includes fixed ballast, an oil storage area, and voids and variable ballast for offsetting the lighter weight of the stored oil. The hull is designed to have a relatively small water plane area. The hull is also designed to have roll and pitch periods that are detuned from waves in the area that the hull is to be installed.

REFERENCES:
patent: 4470721 (1984-09-01), Shotbolt
patent: 4938632 (1990-07-01), Eie
patent: 4973200 (1990-11-01), Kaldenbach
patent: 5542783 (1996-08-01), Pollack
patent: 5575592 (1996-11-01), Pollack

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