Method for the use of nitrates and nitrate reducing bacteria in hydraulic fracturing
US10287487B2 · kind B2 · utility
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6References
20Claims
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Key dates
| Filing date | May 8, 2017 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Jul 9, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A slick water fracturing fluid including a brine, an inorganic nitrate, a nitrogen reducing bacteria, a scale inhibitor selected from the group consisting of a polyacrylate polymer, a polyacrylate copolymer, a polyacrylate terpolymer, and mixtures thereof, and a friction reducer, wherein the friction reducer is a polyacrylamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.