Semi-submersible, mobile drilling vessel with storage shaft for tubular drilling equipment
First Claim
1. Semi-submersible, mobile drilling vessel, comprising at least two floating bodies and a platform which is supported by at least one support column on each of the at least two floating bodies and includes a drilling installation, the vessel being provided with storage means for tubular drilling equipment, wherein the storage means comprise at least one shaft disposed in at least one of the said support columns, which at least one shaft extends downwards from the platform and is configured for vertical disposition therein of a number of items of the said drilling equipment, wherein said support columns define an outer perimeter of said vessel, and wherein said shafts lie vertically above said floating bodies.
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Accused Products
Abstract
The drilling vessel includes at least one floating body and a platform which is supported by one or more support columns on the floating body and includes a drilling installation. The vessel is provided with storage provisions for tubular drilling equipment. The storage provisions include one or more shafts which are disposed in one or more of the support columns, extend downwards from the platform and in which a number of items of the drilling equipment can be vertically disposed.
44 Citations
16 Claims
- 1. Semi-submersible, mobile drilling vessel, comprising at least two floating bodies and a platform which is supported by at least one support column on each of the at least two floating bodies and includes a drilling installation, the vessel being provided with storage means for tubular drilling equipment, wherein the storage means comprise at least one shaft disposed in at least one of the said support columns, which at least one shaft extends downwards from the platform and is configured for vertical disposition therein of a number of items of the said drilling equipment, wherein said support columns define an outer perimeter of said vessel, and wherein said shafts lie vertically above said floating bodies.
Specification