Patent · US Active

Potassium salt treatment fluids for clay stabilization

US11479704B2 · kind B2 · utility

0Cited by

12References

20Claims

0Family size

Assignee

Halliburton Energy Services, Inc. · US

Inventors

Sandeep Vasant Chavan · Mumbai, IN
Sunita Sameer Kadam · Pune, IN
Shreyasi Goswami · Pune, IN

Key dates

Filing date	Aug 10, 2018
Grant date	Oct 25, 2022
Priority date	—
Expiry date	Nov 16, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2208/12
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Described herein are fluids used to inhibit swelling of clay or shale formations, where the fluids include a drilling fluid and a clay stabilizer that include a potassium salt with a plurality of cations and are injectable into a wellbore.

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