Patent · US Active

Modified nano-silica plugging agent, water-based drilling fluid, and preparation method and use thereof

US10829681B1 · kind B1 · utility

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16Claims
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Assignee

Inventors

Key dates

Filing dateJan 14, 2020
Grant dateNov 10, 2020
Priority date—
Expiry dateJan 14, 2040

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2208/10
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present disclosure discloses a modified nano-silica plugging agent, a water-based drilling fluid, and a preparation method and use thereof.

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