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:
May. 03, 1988
Filed:
Aug. 07, 1986
David R Underdown, Plano, TX (US);
Atlantic Richfield Company, Los Angeles, CA (US);
Abstract
In an improved method for inhibiting the formation of scale in a well penetrating a subterranean formation for the production of fluids from said formation, said method including injecting at least one scale inhibitor into said formation through said well so that said scale inhibitor is thereafter slowly released from said formation to inhibit the formation of scale, the improvement comprising: injecting at least one polymeric material into said well in an amount effective to prolong said scale formation inhibition, said polymeric material having a composition different from said scale inhibitor and being a copolymer derived from at least one first monomer having a maleic moiety and at least one second monomer selected from the group consisting of acrylic acid, methacrylic acid and mixtures thereof.