Degradable anchor device with granular material
US9970249B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2014 |
| Grant date | May 15, 2018 |
| Priority date | — |
| Expiry date | Oct 12, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In one aspect, an anchoring device is disclosed, including: a degradable substrate with a first hardness; and a granular gripping material associated with the outer extent of the degradable substrate, wherein the granular gripping material has a second hardness greater than the first hardness. In certain embodiments, the granular gripping material is degradable. In another aspect, a method to anchor a downhole device is disclosed, including: providing a degradable substrate with a first hardness; and applying a granular gripping material to the outer extent of the degradable substrate, wherein the granular gripping material has a second hardness greater than the first hardness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.