Guanidine- or guanidinium-containing compounds for treatment of subterranean formations
US10655056B2 · kind B2 · utility
0Cited by
24References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2019 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | Apr 1, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Various embodiments disclosed relate to guanidine- or guanidinium-containing clay or shale stabilizers for treatment of subterranean formations. In various embodiments, the present invention provides a method of treating a subterranean formation that can include placing a composition including a clay or shale stabilizer including at least one of a substituted guanidine group and a substituted guanidinium group in a subterranean formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.