Controlled disintegration of passage restriction
US10781658B1 · kind B1 · utility
8Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2019 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | Mar 19, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for operating in a borehole comprises disposing in a downhole environment a system comprising a tubular having a passage and a first restriction positioned inside the tubular; engaging a restrictor with the first restriction to block the passage; injecting a treatment fluid into the tubular, the treatment fluid comprising an invert emulsion, a carboxylic acid ester, or a combination comprising at least one of the foregoing; and degrading and removing the first restriction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.