Method and apparatus for downhole in-situ mixing using dual, concentric flow channels
US12163385B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2023 |
| Grant date | Dec 10, 2024 |
| Priority date | — |
| Expiry date | Jun 23, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tool for use in a wellbore includes an annular body having an inner flow passage extending axially therethrough, at least one gripping member positioned around an outer perimeter of a retainer section of the annular body, and a gate member positioned in the inner flow passage. When the gate member is in a closed configuration, an upstream portion of the inner flow passage is sealed from a downstream portion of the inner flow passage by the gate member. When the gate member is in an open configuration, the upstream portion of the inner flow passage is fluidly connected to the downstream portion of the inner flow passage. At least one static mixing blade extends through the downstream portion of the inner flow passage to mix fluid when it flows through the open gate member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.