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:
Oct. 07, 2014
Filed:
Mar. 22, 2011
Applicants:
Frank Zamora, San Antonio, TX (US);
Sarkis R. Kakadjian, San Antonio, TX (US);
Tina Garza, San Antonio, TX (US);
Inventors:
Frank Zamora, San Antonio, TX (US);
Sarkis R. Kakadjian, San Antonio, TX (US);
Tina Garza, San Antonio, TX (US);
Assignee:
Clearwater International LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); C09K 8/00 (2006.01); C09K 8/42 (2006.01); C09K 8/44 (2006.01); E21B 33/13 (2006.01);
U.S. Cl.
CPC ...
E21B 33/13 (2013.01); C09K 8/42 (2013.01); C09K 8/44 (2013.01);
Abstract
Foamable epoxy-based zonal isolation sealing compositions include epoxy resin and a blowing agent and methods for isolating zones in borehole of oil and gas wells using the compositions, where the foam nature of the cured seals provide sufficient compressibility and resiliency to be used with expandable tubing without substantial loss in sealant integrity and in squeeze operations.