Patent · US Active

Micro-nanometer plugging anti-collapse drilling fluid and preparation method and use thereof

US10829679B1 · kind B1 · utility

1Cited by

1References

17Claims

0Family size

Assignee

Southwest Petroleum University · CN

Inventors

Yang Bai · Beaverton, US
Pingya Luo · Chengdu, CN
Cheng Li · Beijing, CN
Yan Cheng · Chengdu, CN
Guojun Li · Chengdu, CN
Hao Zhang · Nanhu, CN

Key dates

Filing date	Jan 15, 2020
Grant date	Nov 10, 2020
Priority date	—
Expiry date	Jan 15, 2040

Classification

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

Abstract

A micro-nanometer plugging anti-collapse drilling fluid and fracturing method and use thereof.

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