Cutting element assemblies and downhole tools comprising rotatable and removable cutting elements and related methods
US10724304B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2018 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Nov 13, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/633
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cutting element assembly includes a sleeve having a cutter-receiving aperture extending through the sleeve, a cutting element, and a rotation restriction element. The cutting element may include a first plurality of retention elements extending substantially radially from an outer surface of the cutting element and engaging the sleeve to retain the cutting element within the sleeve. The rotation restriction element may be coupled to the cutting element and may include a second plurality of retention elements extending axially from a bottom surface of the rotation restriction element and engaging the sleeve to restrict rotation of the cutting element within the sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.