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. 23, 2018
Filed:
Dec. 22, 2014
Multi-chem Group, Llc, San Angelo, TX (US);
Zhiwei Yue, Sugar Land, TX (US);
Funian Zhao, Tomball, TX (US);
Yang Peng, Kingwood, TX (US);
Liangwei Qu, Spring, TX (US);
Chunfang Fan, Houston, TX (US);
Multi-Chem Group, LLC, San Angelo, TX (US);
Abstract
Methods, compositions, and systems for scale inhibitor squeeze treatments using certain cationic surfactants are provided. In one embodiment, the methods comprise: introducing a pre-flush fluid into at least a portion of a subterranean formation, the pre-flush fluid comprising a cationic surfactant comprising two or more hydrophilic heads, at least one lipophilic tail, and one or more linking groups to which the hydrophilic heads and the lipophilic tail are bonded; and introducing a treatment fluid comprising anionic scale inhibitor into the portion of the subterranean formation after at least a portion of the pre-flush fluid has been introduced into the portion of the subterranean formation.