Patent · US Expired

Methods of sealing compositions and methods

US6187839A · kind A · utility

106Cited by
7References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 1999
Grant dateFeb 13, 2001
Priority date
Expiry dateMar 3, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K8/506
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides methods of sealing subterranean zones using high density sealing compositions. The methods are basically comprised of introducing a sealing composition into the subterranean zone comprised of a high density aqueous salt solution, a polymerizable monomer and a polymerizable initiator and allowing said sealing composition to form a sealing gel in said zone.

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