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:
Aug. 10, 2004
Filed:
Apr. 19, 2002
Applicant:
Inventors:
Gene H. Zaid, Sterling, KS (US);
Beth Ann Wolf, Hutchinson, KS (US);
Assignee:
Jacam Chemicals, L.L.C., Sterling, KS (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/00 ; E21B 2/100 ;
U.S. Cl.
CPC ...
C09K 3/00 ; E21B 2/100 ;
Abstract
Compositions and methods for treating systems, especially oil and/or gas wells, characterized by metal sulfide deposits are provided. Compositions according to the invention generally comprise a thioacid, an amine salt, and a diphosphonic acid. Methods according to the invention may comprise introducing such composition into a system characterized by metal sulfide deposits, or alternatively, introducing into the system individual quantities of the composition components.