Swellable elastomer-based apparatus, oilfield elements comprising same, and methods of using same in oilfield applications
US7373991B2 · kind B2 · utility
49Cited by
31References
22Claims
0Family size
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Key dates
| Filing date | Mar 27, 2006 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | Mar 29, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/1208
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Oilfield apparatus and methods of use, the apparatus comprising an elastomeric composition comprising the reaction product of a linear or branched polymer having residual ethylenic unsaturation with an ethylenically unsaturated organic monomer having at least one reactive moiety selected from the group consisting of acid, acid anhydride, and acid salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.