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. 05, 2024
Filed:
Feb. 23, 2022
Applicants:
Daniel P. Vollmer, Lafayette, LA (US);
Dorianne A. Castillo, Humble, TX (US);
Inventors:
Daniel P. Vollmer, Lafayette, LA (US);
Dorianne A. Castillo, Humble, TX (US);
Assignee:
BAKER HUGHES OILFIELD OPERATIONS LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/58 (2006.01); C01G 45/02 (2006.01); C09K 8/03 (2006.01);
U.S. Cl.
CPC ...
C01G 45/02 (2013.01); C09K 8/032 (2013.01); C09K 8/58 (2013.01); C09K 2208/32 (2013.01);
Abstract
A method of increasing a solubility of a manganese oxide includes contacting the manganese oxide with an acid component in the presence of a dissolution accelerator that includes at least one of hydrazine, a hydrazine derivative, or a hydrazide. Also disclosed is a drilling fluid containing a carrier; MnO; and at least one of a viscosifier, a rheology modifier, a dispersant, a weighting agent, a defoamer, a fluid loss agent, bentonite, or a lubricant.