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:
Jun. 19, 2018

Filed:

Dec. 18, 2013
Applicants:

Covestro Llc, Pittsburgh, PA (US);

Ecolab Usa Inc., St. Paul, MN (US);

Inventors:

David P. Zielinski, Cranberry Township, PA (US);

Alan Ekin, Coraopolis, PA (US);

Michael K. Jeffries, Follansbee, WV (US);

Mario Roberto Rojas, Katy, TX (US);

Assignees:

Covestro LLC, Pittsburgh, PA (US);

Ecolab USA Inc., St. Paul, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/138 (2006.01); C09K 8/518 (2006.01); C09K 8/516 (2006.01); C09K 8/035 (2006.01);
U.S. Cl.
CPC ...
C09K 8/516 (2013.01); C09K 8/035 (2013.01);
Abstract

Methods of treating a well bore within an underground formation are disclosed. These methods include: (a) preparing a treatment composition by mixing a polyol-containing component and a polyisocyanate-containing component; and (b) introducing the treatment composition into the well bore. The polyol-containing component includes a polymeric polyol having a viscosity at 25° C. of no more than 1000 mPa·s and the isocyanate-containing component includes an unblocked (cyclo)aliphatic polyisocyanate polymer including allophanate groups and having a viscosity at 25° C. and at least 99% solids of no more than 1000 mPa·s.


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