Alignment of BOP stack to facilitate use of a rotating control device
US8479829B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2012 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | Sep 27, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L27/00
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An alignment system can include at least one alignment device positioned between two flanges, the alignment device having a greater thickness on one side of the alignment device than on an opposite side of the alignment device, and the alignment device having circumferential slots through which the two flanges are coupled. A method of producing a relative angular offset between two flanges can include positioning at least one alignment device in a desired azimuthal orientation between the flanges, the alignment device including pre-formed circumferential slots which permit the alignment device to align with a bolt hole pattern of the flanges, and securing the alignment device between the flanges, thereby producing the angular offset.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.