Composition for oil and gas recovery
US12209219B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 5, 2020 |
| Grant date | Jan 28, 2025 |
| Priority date | — |
| Expiry date | Nov 7, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/88
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a composition for preparing injection fluid in oil and gas recovery comprising an inverse emulsion of an associative water-soluble polymer A comprising at least one hydrophobic monomer or hydrophobic macromonomer, and solid particles of a water-soluble polymer B, said polymer B being preferably associative. The invention also relates to a method of treating a portion of subterranean formation comprising providing the composition, preparing an injection fluid with at least the composition, introducing the injection fluid into portion of the subterranean formation. The composition is particularly useful to prepare fracturing fluid in fracturing operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.