Patents by Inventor Amor A. Calubayan

Amor A. Calubayan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • WELL CEMENT COMPOSITION INCLUDING MULTI-COMPONENT FIBERS AND METHOD OF CEMENTING USING THE SAME
    Publication number: 20160264839
    Abstract: A well cement composition includes a hydraulic well cement and multi-component fibers having at least a first polymeric composition and a second polymeric composition. At least a portion of the external surfaces of the multi-component fibers includes the first polymeric composition, and the first polymeric composition includes an ethylene-methacrylic acid or ethylene-acrylic acid copolymer. A method of cementing a subterranean well is also described. The method includes introducing the well cement composition into a wellbore, wherein the well cement composition further comprises water, and forming a cured cement in the wellbore.
    Type: Application
    Filed: October 22, 2014
    Publication date: September 15, 2016
    Inventors: Clara E. Mata, Yong K. Wu, Ignatius A. Kadoma, Michael D. Crandall, Amor A. Calubayan, Andrew J. Peterson