Low shear trim
US9856712B2 · kind B2 · utility
1Cited by
45References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2015 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Mar 31, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/0355
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system includes a subsea chemical injection system configured to inject a chemical into a well, wherein the choke trim comprises a first cylinder comprising a first plurality of spiral flow paths, a second cylinder comprising a second plurality of spiral flow paths, wherein the first cylinder is disposed within the second cylinder, and an outer portion comprising a plurality of axial passages, wherein the second cylinder is disposed within the outer portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.