Compositions and methods for paraffin liquefaction and enhanced oil recovery in oil wells and associated equipment
US11434415B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2019 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Apr 30, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/32
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The subject invention provides compositions comprising solvents and surfactants, as well as their use in improving oil and/or gas production. In some embodiments, the compositions comprise chemical or synthetic solvents and/or surfactants. In other embodiments, the compositions comprise biological components, such as microorganisms and/or their growth by-products. The subject invention can be used to dissolve, disperse and/or emulsify paraffin precipitates and/or deposits; prevent and/or inhibit paraffin deposition; remove rust deposits and prevent corrosion associated therewith; inhibit bacterial growth and/or biofilm formation; and to enhance oil recovery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.