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:
Feb. 04, 2020

Filed:

Dec. 22, 2014
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Liu Shi, Houston, TX (US);

Funian Zhao, Tomball, TX (US);

Liangwei Qu, Spring, TX (US);

Edward Corrin, Houston, TX (US);

Assignee:

Multi-Chem Group, LLC, Houston, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/66 (2006.01); C02F 1/68 (2006.01); C09K 8/035 (2006.01); C09K 8/54 (2006.01); E21B 43/00 (2006.01); C02F 101/10 (2006.01);
U.S. Cl.
CPC ...
C09K 8/54 (2013.01); C02F 1/66 (2013.01); C02F 1/683 (2013.01); C09K 8/035 (2013.01); E21B 43/00 (2013.01); C02F 2101/101 (2013.01); C09K 2208/20 (2013.01);
Abstract

Systems, compositions, and methods for synergistic additives for use in the scavenging of sulfur-containing compounds encountered in oilfield operations are provided. In one embodiment, the methods comprise injecting a sulfide scavenging additive that does not comprise a significant amount of an aldehyde into at least a portion of a subterranean formation where one or more sulfur-containing species are present; and injecting a synergistic additive comprising at least one base into at least the portion of the subterranean formation.


Find Patent Forward Citations

Loading…