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.

Date of Patent:
Mar. 16, 2021

Filed:

Aug. 10, 2015
Applicant:

Baker Hughes, Llc, Houston, TX (US);

Inventors:

Prasad D. Dhulipala, Katy, TX (US);

Charles D. Armstrong, Tomball, TX (US);

Assignee:

Baker Hughes Holdings LLC, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 21/00 (2006.01); C09K 8/035 (2006.01); C09K 8/54 (2006.01); C23F 11/173 (2006.01);
U.S. Cl.
CPC ...
C09K 8/035 (2013.01); C09K 8/54 (2013.01); C23F 11/173 (2013.01); E21B 21/003 (2013.01); C09K 2208/20 (2013.01); C09K 2208/32 (2013.01);
Abstract

Proteins with antibacterial properties may be used in additive compositions, fluid compositions, and methods for decreasing or removing sulfur-containing compounds and/or acid-containing compounds from recovered downhole fluids and/or the subterranean reservoir wellbore from which the downhole fluid was recovered. The fluid composition may include at least protein and a base fluid. The protein(s) may be or include a labiase, a lysozyme, a lysostaphin, a hexose oxidase, a cecropin, a thermolysin, a serine protease, a cysteine protease, and combinations thereof. The base fluid may be or include a drilling fluid, a servicing fluid, a production fluid, a completion fluid, an injection fluid, a refinery fluids, and combinations thereof.


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