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. 02, 2005
Filed:
Sep. 24, 2001
Applicants:
Frank F. Chang, Sugar Land, TX (US);
Ronnie L. Thomas, Dhahran, SA;
Walter D. Grant, College Station, TX (US);
Wayne W. Frenier, Katy, TX (US);
Inventors:
Frank F. Chang, Sugar Land, TX (US);
Ronnie L. Thomas, Dhahran, SA;
Walter D. Grant, College Station, TX (US);
Wayne W. Frenier, Katy, TX (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C09K003/00 ; E21B043/16 ;
U.S. Cl.
CPC ...
Abstract
Aqueous liquid compositions for increasing the permeability of a subterranean formation are disclosed, the compositions being characterized by provision of fluoborate anion (fluoboric acid) and a specified compound or compounds, or mixture thereof, which chelate aluminum ions and aluminum fluoride species. Methods of treating a subterranean formation by injection of the composition(s) into the formation are also described.