Patent · US Active

Breaker and displacement fluid

US9493697B2 · kind B2 · utility

3Cited by

32References

16Claims

0Family size

Assignee

M-I L.L.C. · US

Inventors

Mark Luyster · Houston, US
LaTosha Moore · Richmond, US
Andrew G. K. Jones · Cape Town, ZA

Key dates

Filing date	Jun 30, 2011
Grant date	Nov 15, 2016
Priority date	—
Expiry date	Apr 3, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2208/32
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A breaker fluid for breaking a filtercake in a wellbore. The fluid including a hydrolysable ester of carboxylic acid, and a chelant, an alkyl glycoside, or a combination thereof. The breaker fluid may be pre-mixed and include an amount of water less than required to completely hydrolyze the ester.

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