Rheology modifier for subterranean treatment fluids
US10988660B2 · kind B2 · utility
1Cited by
0References
9Claims
0Family size
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Key dates
| Filing date | Oct 3, 2017 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | May 28, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/602
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a rheology modifier and to its use as thickener in oil-based subterranean treatment fluids; more particularly, the rheology modifier is an aqueous slurry of a pyromellitamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.