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.

Date of Patent:
Aug. 25, 2026

Filed:

Jul. 31, 2023
Applicant:

Schlumberger Technology Corporation, Sugar Land, TX (US);

Inventors:

Konstantin Viktorovich Vidma, Sugar Land, TX (US);

Haiyan Zhao, Sugar Land, TX (US);

Murtaza Ziauddin, Sugar Land, TX (US);

Patrice Abivin, Sugar Land, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/74 (2006.01); C09K 8/528 (2006.01); E21B 37/06 (2006.01); E21B 43/22 (2006.01); E21B 43/27 (2006.01);
U.S. Cl.
CPC ...
C09K 8/74 (2013.01); C09K 8/528 (2013.01); E21B 37/06 (2013.01); E21B 43/27 (2020.05); C09K 2208/30 (2013.01);
Abstract

Compositions, methods, and workflows for treating a siliceous geologic formation including flowing a treatment composition into the formation, wherein the treatment composition has a pH of about −1.0 to about 6.0 and includes an acid having molecular weight less than about 200 or an ammonium or sodium salt thereof, an HF source, and a precipitation prevention agent, and a transient modifier, and allowing the transient modifier to modify the permeability of the siliceous formation. The precipitation prevention agent may comprise a chelant or a scale inhibitor. The transient modifier may comprise surfactant, viscoelastic surfactant, a solid, hydrophobic material, an emulsion, a gas, or an energized fluid.


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