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:
May. 13, 2014
Filed:
Jan. 13, 2012
Prajakta R. Patil, Pune, IN;
Anjali R. Sarda, Pune, IN;
Shoy C. George, Thrissur, IN;
Yogesh K Choudhary, Sarwar, IN;
Rajendra Kaigankar, Pune, IN;
Prajakta R. Patil, Pune, IN;
Anjali R. Sarda, Pune, IN;
Shoy C. George, Thrissur, IN;
Yogesh K Choudhary, Sarwar, IN;
Rajendra Kaigankar, Pune, IN;
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A method of treating a zone of a subterranean carbonate formation penetrated by a wellbore is provided. The method includes the steps of: According to an embodiment, a method of treating a zone of a subterranean carbonate formation penetrated by a wellbore is provided, the method including the steps of: (a) forming a treatment fluid comprising: (i) water; (ii) a water-soluble polymer having at least one functional group that can be crosslinked with aluminum(III); and (iii) a water-soluble aluminum carboxylate; wherein the pH of the treatment fluid is less than 1; (b) introducing the treatment fluid through the wellbore into the zone; and (c) allowing time for the strong acid in the treatment fluid to spend in the formation such that the pH of the fluid increases sufficiently for the aluminum of the aluminum carboxylate to crosslink the polymer.