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. 27, 2012
Filed:
Jul. 02, 2008
Applicants:
Sarkis R. Kakadjian, San Antonio, TX (US);
Olusegun M. Falana, San Antonio, TX (US);
Edward Marshall, San Antonio, TX (US);
Michael Dibiasio, Edo Merida, VE;
Frank Zamora, San Antonio, TX (US);
Inventors:
Sarkis R. Kakadjian, San Antonio, TX (US);
Olusegun M. Falana, San Antonio, TX (US);
Edward Marshall, San Antonio, TX (US);
Michael DiBiasio, Edo Merida, VE;
Frank Zamora, San Antonio, TX (US);
Assignee:
Clearwater International, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
New oil-based foam drilling fluids for oil and/or gas wells include a base oil, a foaming agent and a polymer including at least one aromatic olefin monomer and at least one diene monomer. The polymer improves foam properties rendering a foam stable at temperatures at or above 350° F.