Aqueous fracturing fluid composition and fracturing process using the composition
US9249352B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Feb 2, 2016 |
| Priority date | — |
| Expiry date | Apr 17, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Fracturing fluid comprising, in solution in water, a proppant and an associative amphoteric polymer, the said polymer having a molecular weight of at least 1 000 000 g/mol and comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.