Downhole tool head for releasing precipitated solids
US9212529B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2010 |
| Grant date | Dec 15, 2015 |
| Priority date | — |
| Expiry date | Jan 25, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B37/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a downhole tool head (1) for mounting onto a downhole tool (10) for drilling in a formation downhole or for releasing precipitated solids (2), such as ice, scales or the like, in a cavity fluid in a pipeline, a casing (3), a well or any other cavity downhole. The downhole tool head comprises a hollow cylindrical body (4) with a circumferential wall (5) extending from a base part of the body, the circumferential wall having a circumferential rim (6) in its end opposite the base part. The circumferential rim (6) comprises a plurality of edges (8) for cutting, grinding, drilling and/or milling, and the base part has a plurality of through-going holes (9) for letting cavity fluid comprising precipitated solids pass the holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.