Subfloor for offshore production platform
First Claim
1. A modular type subfloor in the well bay area to facilitate access to laterally and longitudinally extending rows of Christmas trees rising above the cellar deck beneath the main deck of the well bay area of an offshore production platform, said subfloor comprising a first set of modules each comprising a floor supported on legs and adapted to be moved laterally into end-to-end position between adjacent lateral rows of trees to dispose their floors in horizontal alignment adjacent an intermediate level of the trees, a second set of modules each also comprising a floor supported on legs and adapted to be moved laterally into position on the outer side of each of the adjacent lateral rows of trees to dispose their floors in horizontal alignment with one another and with the floors of the first set of modules, and panels movable into positions spanning the spaces between and supported on the modules of the first and second sets intermediate adjacent trees in each lateral row of trees, each panel comprising a floor which is horizontally aligned with the floors of the other panels and the floors of the modules when so supported.
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Accused Products
Abstract
A subfloor comprising leg-supported modules and drop in panels adapted to be installed in and around a grid of Christmas trees in the well bay area of a production platform.
12 Citations
5 Claims
- 1. A modular type subfloor in the well bay area to facilitate access to laterally and longitudinally extending rows of Christmas trees rising above the cellar deck beneath the main deck of the well bay area of an offshore production platform, said subfloor comprising a first set of modules each comprising a floor supported on legs and adapted to be moved laterally into end-to-end position between adjacent lateral rows of trees to dispose their floors in horizontal alignment adjacent an intermediate level of the trees, a second set of modules each also comprising a floor supported on legs and adapted to be moved laterally into position on the outer side of each of the adjacent lateral rows of trees to dispose their floors in horizontal alignment with one another and with the floors of the first set of modules, and panels movable into positions spanning the spaces between and supported on the modules of the first and second sets intermediate adjacent trees in each lateral row of trees, each panel comprising a floor which is horizontally aligned with the floors of the other panels and the floors of the modules when so supported.
Specification