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:
Apr. 27, 2021
Filed:
Mar. 16, 2018
Baker Hughes, a GE Company, Llc, Houston, TX (US);
D. V. Satyanarayana Gupta, The Woodlands, TX (US);
Scott G. Nelson, Cypress, TX (US);
Dorianne Arlene Castillo, Humble, TX (US);
Anna Jensen, The Woodlands, TX (US);
Baker Hughes, a GE company, LLC, Houston, TX (US);
Abstract
The flow of a fluid may be diverted from a high permeability zone to a low permeability portion of a subterranean formation by use of particulates comprising dicarboxylic acid, ester or an anhydride of the formula: or an anhydride thereof, wherein Ris —COO—(RO)y—Ror —H; Rand Rare selected from the group consisting of —H and —COO—(RO)y—R, provided both Rand Rare —COO—(RO)y—Rwhen Ris —H and further provided only one of Ror Ris —COO—(RO)y—Rwhen Ris —COO—(RO)y—R, Ris —H or a C-Calkyl group, Ris a C-Calkylene group, and each y isto. The dicarboxylic acid, ester or anhydride may further be admixed with an aliphatic polyester having the general formula of repeating units: where n is an integer betweenandand R is selected from the group consisting of hydrogen, alkyl, aryl, alkylaryl, acetyl, heteroatoms, and mixtures; thereof.