Colloidal-crystal quantum dots as tracers in underground formations
US10125601B2 · kind B2 · utility
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24References
25Claims
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Key dates
| Filing date | Mar 4, 2011 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Jul 9, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/11
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Colloidal-crystal quantum dots as tracers are disclosed. According to one embodiment, a method comprises injecting a solution of quantum dots into a subterranean formation, and monitoring a flow of the quantum dots from the subterranean formation to determine a property of the subterranean formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.