Pipe cutting apparatuses and related methods
US9388658B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Oct 29, 2014 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Oct 29, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B29/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Some embodiments of the present subsea pipe cutting apparatuses use or include a frame, one or more water jet nozzles coupled to the frame and configured to apply pressurized fluid to a pipe to cut the pipe, and one or more of: a flange configured to secure the subsea pipe cutting apparatus relative to a blowout preventer stack, one or more water jet nozzles coupled to a rotating portion of the frame and configured to rotate about the pipe, one or more water jet nozzles movable between a retracted state and a deployed state in which the one or more water jet nozzles are radially closer to the pipe than when in the retracted state, one or more water jet nozzles pivotally coupled to the frame and configured to pivot while applying pressurized fluid to a surface of the pipe, and two or more water jet nozzles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.