Patent · US Active

Surface-modified nanoparticle compositions and related applications in subterranean hydrocarbon recovery

US11999900B2 · kind B2 · utility

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7References
17Claims
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Key dates

Filing dateMay 14, 2020
Grant dateJun 4, 2024
Priority date—
Expiry dateMay 14, 2040

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B43/26
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Surface-modified nanoparticles and surfactants are used in compositions and methods for enhancing hydrocarbon recovery from subterranean formations.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.