Treatment fluids for reducing subterranean formation damage
US9862874B2 · kind B2 · utility
1Cited by
5References
13Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 9, 2014 |
| Grant date | Jan 9, 2018 |
| Priority date | — |
| Expiry date | Sep 20, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B37/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods of introducing a treatment fluid into a subterranean formation having a filtercake deposited thereon, wherein the treatment fluid comprises a base fluid and an inclusion complex comprising a cyclodextrin compound and an acid precursor ester, and wherein the cyclodextrin compound delays hydrolysis of the acid precursor ester; contacting the treatment fluid with the filtercake; and hydrolyzing the acid precursor ester, thereby removing at least a portion of the filtercake.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.