Bit jet enhancement tool
US10301883B2 · kind B2 · utility
0Cited by
21References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 3, 2018 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | May 3, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A bit jet enhancement tool comprises two or more separate flow paths, and 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 connected to the lower end of the first expansion chamber; a separate second expansion chamber connected to the lower ends of a plurality of the second constricted chambers; and 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.