Dissolvable isolation devices with an altered surface that delays dissolution of the devices
US10125565B2 · kind B2 · utility
13Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2014 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Jun 23, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wellbore isolation device comprising: a material that dissolves via corrosion when in contact with a wellbore fluid, a surface of the material, wherein the surface of the material is altered via a surface treatment, and wherein the altered surface delays corrosion of the material for a desired amount of time. A method of removing the wellbore isolation device comprising: contacting or allowing the wellbore isolation device to come in contact with a wellbore fluid; and causing or allowing at least the portion of the material to dissolve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.