Bit jet enhancement tool
US11098534B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 28, 2019 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | May 28, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A bit jet enhancement tool is provided, the tool comprises two or more separate flow paths, each of the flow paths has multiple hollow chambers connected in series; each of the hollow chambers comprises a first constricted chamber with a fluid entry, a first expansion chamber located adjacent to the lower end of the first constricted chamber, a second constricted chamber with the upper end of connected to the lower end of the first expansion chamber; a separate second expansion chamber connected to the lower end of a plurality of the second constricted chambers; a single port located adjacent to the lower end of the second expansion chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.