Methods and compositions for stimulating the production of hydrocarbons from subterranean formations
US10196557B2 · kind B2 · utility
12Cited by
163References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2016 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Mar 16, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/27
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods for treating an oil well having a wellbore. The methods involve injecting a microemulsion into the wellbore to increase formation crude oil production by the well. The microemulsion comprises water, a first type of solvent and a first type of surfactant. The microemulsion includes a continuous water phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.