Nearshore subsea drilling
US11719049B2 · kind B2 · utility
0Cited by
2References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2020 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Nov 5, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/727
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A subsea vertical drilling machine is disclosed, having: The riser pipe is provided with at least one rack extending along at least a part of the length of the riser pipe, and the vertical feed system comprises a motor coupled to a pinion, the pinion arranged for engaging with the rack for advancing the drill assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.