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:
Mar. 29, 2022
Filed:
Dec. 21, 2017
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Ravikant S. Belakshe, Pune, IN;
Monalisa Mallick, Pune, IN;
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/524 (2006.01); E21B 36/00 (2006.01); E21B 37/06 (2006.01); C02F 5/12 (2006.01);
U.S. Cl.
CPC ...
C09K 8/524 (2013.01); C02F 5/12 (2013.01); E21B 36/00 (2013.01); E21B 37/06 (2013.01);
Abstract
Compositions and methods for removing scales within a subterranean environment are provided. The method includes placing a treatment fluid into the subterranean environment containing oil-laden scales and dissolving the oil-laden scales by contacting the treatment fluid to the oil-laden scales. The treatment fluid contains a solvent mixture containing a pyrrolidone and a terpene, an emulsifier, and a chelate mixture containing hydrochloric acid and a chelating agent that contains methylglycine diacetate.