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.

Date of Patent:
Jul. 02, 2024

Filed:

Nov. 29, 2021
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Sunita S. Kadam, Pune, IN;

V. Ramireddy Devarapalli, Pune, IN;

Rajashree Lad, Pune, IN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/528 (2006.01); C09K 8/06 (2006.01); E21B 37/06 (2006.01);
U.S. Cl.
CPC ...
C09K 8/528 (2013.01); C09K 8/06 (2013.01); E21B 37/06 (2013.01); E21B 2200/08 (2020.05);
Abstract

A breaker composition comprising: (i) an acid precursor, (ii) a delaying agent and (iii) an aqueous fluid wherein the breaker composition has an effective operating temperature range of from about 25° C. to about 180° C. A wellbore servicing system comprising (a) an aqueous-based drilling fluid, wherein the aqueous-based drilling fluid forms water-wet solids in the wellbore; and (b) a breaker composition comprising (i) an acid precursor, (ii) a delaying agent and (iii) an aqueous fluid. A method of dissolving a filtercake comprising contacting the filtercake with a breaker solution comprising (i) an acid precursor, (ii) a delaying agent and (iii) an aqueous fluid wherein the filtercake comprises calcium carbonate.


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