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. 14, 2025
Filed:
Oct. 04, 2023
Applicant:
Petróleo Brasileiro S.a.—petrobras, Rio de Janeiro, BR;
Inventor:
Mario Germino Ferreira Da Silva, Rio de Janeiro, BR;
Assignee:
PETRÓLEO BRASILEIRO S.A.—PETROBRAS, Rio de Janeiro, BR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/588 (2006.01);
U.S. Cl.
CPC ...
C09K 8/588 (2013.01);
Abstract
The present invention describes a composition that comprises viscous mattresses and calcite impregnated with scale inhibitors. In a second embodiment, the present invention relates to the process of preparing said composition. In another embodiment, a process for combating the circulation loss including the application, within the reservoir, of said composition during the drilling a well, is disclosed.