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:
Feb. 20, 2018
Filed:
Nov. 05, 2014
Halliburton Energy Services, Inc., Houston, TX (US);
Rahul Vilas Mekade, Panvel, IN;
Mallikarjuna Shroff Rama, Pune, IN;
Lalit Pandurang Salgaonkar, Pune, IN;
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A delayed acid breaker comprising: an inclusion compound comprising: a host molecule of cyclodextrin; and a guest molecule of an acid precursor, wherein the acid precursor hydrolyzes in water to form an acid, and wherein the acid degrades at least a portion of a filtercake located within a subterranean formation. A method of removing a filtercake from a subterranean formation comprising: introducing the delayed acid breaker into the subterranean formation; and allowing the acid precursor to form the acid after a desired amount of time has elapsed since the introduction of the delayed acid breaker into the subterranean formation.