Apparatus and methods for closing flow paths in wellbores
US9869154B2 · kind B2 · utility
1Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2014 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Apr 9, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/13
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of closing a fluid flow path in a wellbore is disclosed that in one non-limiting embodiment includes: supplying a flexible structure having a selected shape sufficient to seat on an opening of the fluid flow path, the flexible structure including pores of selected dimensions; determining seating of the flexible structure on the opening of the fluid flow path from a sensor measurement; and supplying a slurry containing a sealant to the flexible structure seated on the opening of the fluid flow path to plug the pores with the sealant to close the fluid flow path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.