The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 2006
Filed:
Jun. 24, 2004
Bach Dao, Nieuw-vennep, NL;
Marco Verlaan, Rotterdam, NL;
Ron Bouwmeester, Oude Wetering, NL;
Ewout Biezen, Leiderdorp, NL;
B. Raghava Reddy, Duncan, OK (US);
Bach Dao, Nieuw-vennep, NL;
Marco Verlaan, Rotterdam, NL;
Ron Bouwmeester, Oude Wetering, NL;
Ewout Biezen, Leiderdorp, NL;
B. Raghava Reddy, Duncan, OK (US);
Halliburton Energy Services, Inc., Duncan, OK (US);
Abstract
Methods and compositions for reducing the permeabilities of subterranean formations or zones are provided. The methods of the invention are basically comprised of introducing an aqueous composition into the formation or zone comprised of water, a water soluble organic polymer, an organic gelling agent for cross-linking the organic polymer and a gel retarder comprised of a chemical compound that hydrolyzes or thermolyzes to produce one or more acids in the composition and then allowing the aqueous composition to form a cross-linked gel in the formation or zone.