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:
Apr. 28, 2015
Filed:
Dec. 23, 2003
Larry W. Gatlin, San Antonio, TX (US);
Garth Shewchuk, Calgary, CA;
Colby P. Rodriguez, San Antonio, TX (US);
Larry W. Gatlin, San Antonio, TX (US);
Garth Shewchuk, Calgary, CA;
Colby P. Rodriguez, San Antonio, TX (US);
Lubrizol Oilfield Solutions, Inc., The Woodlands, TX (US);
Abstract
A new general purpose foaming agent having application as drilling fluid foaming agents or as any foaming agent needed an a wide variety of applications is disclosed, where the agent includes at least one anionic surfactant, at least one cationic surfactant, and mixtures thereof and one or more zwitterionic compounds. A method for using the foaming agent in capillary coiled tubing application is also disclosed. The foaming agents can also include additive to augment the properties of the foaming agent for a given application.