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. 20, 2018
Filed:
Aug. 12, 2015
Preparation method, formulation and application of chemically retarded mineral acid for oilfield use
Schlumberger Technology Corporation, Sugar Land, TX (US);
Li Jiang, Katy, TX (US);
Mohan Kanaka Raju Panga, Sugar Land, TX (US);
Christopher Scot Daeffler, Houston, TX (US);
Olga Vladimirovna Nevvonen, Houston, TX (US);
Merlyn Xavier Pulikkathara, Cypress, TX (US);
Sergey Makarychev-Mikhailov, Richmond, TX (US);
Jack Li, Sugar Land, TX (US);
Annie Yi Sun, Copley, OH (US);
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
An aqueous composition comprising a mineral acid, a fixing agent and water present in an amount sufficient to dissolve the mineral acid and the fixing agent. The fixing agent comprises at least one of an amine and/or an amide containing compound having a dipole moment of at least 3 when in the aqueous composition.