Method of making a downhole swellable seal with a passageway therethrough
US9834404B2 · kind B2 · utility
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13References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2013 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Jan 28, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of making a downhole swellable seal with a passageway therethrough includes, perimetrically surrounding a first tubular with a first substantially nonswellable material, perimetrically surrounding at least one second tubular with a second substantially nonswellable material, positioning the at least one second tubular adjacent the first tubular, perimetrically surrounding the first tubular and the at least one second tubular with a swellable material, curing the first substantially nonswellable material, curing the second substantially nonswellable material, and curing the swellable material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.