Patent · US Active

Thermosensitive self-plugging bentonite and preparation method thereof and water-based drilling fluid

US10920123B2 · kind B2 · utility

4Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 2020
Grant dateFeb 16, 2021
Priority date—
Expiry dateMar 3, 2040

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K8/514
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present disclosure relates to a thermosensitive self-plugging bentonite, a preparation method thereof, and a water-based drilling fluid.

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