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. 27, 2015
Filed:
Nov. 06, 2012
Applicant:
Weatherford/lamb, Inc., Houston, TX (US);
Inventors:
Assignee:
LUBRIZOL OILFIELD SOLUTIONS INC., Wicklifte, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/56 (2006.01); A62D 3/00 (2007.01); A62D 3/30 (2007.01); C02F 1/24 (2006.01); C08G 71/02 (2006.01); E21B 37/06 (2006.01); C08G 12/06 (2006.01); C11D 7/32 (2006.01); C11D 11/00 (2006.01);
U.S. Cl.
CPC ...
E21B 37/06 (2013.01); C08G 12/06 (2013.01); C11D 7/3209 (2013.01); C11D 11/0041 (2013.01);
Abstract
Compositions for chemically removing sulfur deposits from reservoir formations, production tubing, flow lines, and other production equipment due to the production of sour gas and/or oil including reaction products of diamines and aldehydes at a mole ratio between about 1:1 and about 1:6, and methods for making and using same.