Proppant coatings containing antimicrobial agents
US11352551B2 · kind B2 · utility
1Cited by
16References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2018 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Dec 21, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/267
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Proppants are used in oil and gas extraction, particularly in fracking operations. The invention relates to resin coated proppants. The coatings on proppants have antimicrobial materials incorporated within these coatings. The antimicrobially active agents are incorporated in a concentration less than 70% by weight of the coatings or the active agent from these coatings can be released from these coatings in the environment of the proppants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.