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:
Sep. 19, 2023
Filed:
Jan. 31, 2019
Halliburton Energy Services, Inc., Houston, TX (US);
Deepak S. Monteiro, Houston, TX (US);
Qiang Lan, The Woodlands, TX (US);
Loan Vo, Houston, TX (US);
Philippe Prince, Pearland, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A low dosage hydrate inhibitor blend comprising a cationic surfactant and a co-surfactant. The cationic surfactant has the structural formula: wherein: R1 is an alkyl group or alkenyl group having from 5 to 22 carbon atoms, R2 and R3 are alkyl groups having from 1 to 6 carbon atoms, R4 is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms, and X— is selected from the group of a carboxylate, an acrylate, a methacrylate, a halide, a phosphonate, a sulfate, a sulfonate, a hydroxide, a carbonate, or any combination thereof; and The co-surfactant is present in the inhibitor blend in an amount of no greater than about 10 percent by weight based on the total weight of the blend.