Patent · US Expired

Emulsion for well and formation treatment

US6364020B1 · kind B1 · utility

59Cited by
8References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 2000
Grant dateApr 2, 2002
Priority date
Expiry dateMar 20, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S507/937
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An emulsion with flow-initiated gelling properties is described, comprising at least two discontinuous phases with a polymer and cross-linking agent separated by two phase boundaries. The novel emulsion is preferably used for remedial operations in a subterranean formation or wellbore.

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