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. 01, 2019
Filed:
Jan. 29, 2016
Chevron U.s.a. Inc., San Ramon, CA (US);
Mark Charlesworth, Woodvale, AU;
Christopher John Kalli, Herne Hill, AU;
David Glynn Thomas, Wembley Downs, AU;
Wei Shi, Houston, TX (US);
Brendan Francis Graham, Parkwood, AU;
Zachary Mark Aman, South Perth, AU;
Eric Freemantle May, Mount Pleasant, AU;
Chevron U.S.A. Inc., San Ramon, CA (US);
Abstract
A method for inhibiting the formation, deposition and adherence of scale to metallic and other surfaces in the equipment, vessels and/or piping of facilities for the handling of oil and gas produced fluid is disclosed. An effective scale inhibiting amount of alginate is added to a produced fluid containing a scale-forming divalent cation. The alginate effectively cross-links with a scale-forming divalent cation, e.g., calcium, forming an alginate gel for subsequent separation and removal from the produced fluid.