Polymers and emulsions for use in oil and/or gas wells
US10577531B2 · kind B2 · utility
10Cited by
180References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2015 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Sep 17, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods and compositions comprising an emulsion or a microemulsion and a polymer for use in an oil and/or gas well are provided. In some embodiments, the emulsion or the microemulsion comprises water, a solvent, and a surfactant, and optionally, one or more additives. In certain embodiments, the polymer comprises a copolymer comprising an acrylamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.