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:
Sep. 09, 2008
Filed:
Mar. 05, 2007
Applicant:
Jiang Yang, Missouri City, TX (US);
Inventor:
Jiang Yang, Missouri City, TX (US);
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
Mixtures of at least one nonionic surfactants and at least one ionic surfactant together with a gas create foams to aid the removal of produced hydrocarbon fluids from gas wells and pipelines.