Method of in situ repair of a wellhead base flange
US9169708B2 · kind B2 · utility
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20References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2012 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | Mar 15, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An in situ method for repairing a base flange of a wellhead. At least one layer of a polymerizable composite material is applied to a damaged surface, an elastic seal is placed on the layer of composite material, and a reinforcing collar is pressed against the seal on the surface of the flange covered with the composite material. An arrangement of an in situ repair of a base flange of a wellhead includes at least one layer of a polymerized composite material on a damaged surface, an elastic seal on the composite material, and a reinforcing collar pressing the seal against the damaged surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.